US20030214104A1 - Roller skate having a safety device - Google Patents
Roller skate having a safety device Download PDFInfo
- Publication number
- US20030214104A1 US20030214104A1 US10/350,065 US35006503A US2003214104A1 US 20030214104 A1 US20030214104 A1 US 20030214104A1 US 35006503 A US35006503 A US 35006503A US 2003214104 A1 US2003214104 A1 US 2003214104A1
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- United States
- Prior art keywords
- fixing seat
- roller skate
- safety
- accordance
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
- A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
- A63C17/1409—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches contacting one or more of the wheels
- A63C17/1418—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches contacting one or more of the wheels with radial movement against the roll surface of the wheel
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/20—Roller skates; Skate-boards with fixable wheels permitting the skates to be used for walking
Definitions
- the present invention relates to a roller skate having a safety device, and more particularly to a roller skate having a safety device, wherein the roller skate can be fixed on the ground without movement by the safety device, so that the learner can stably stand on the roller skate without movement so as to practice his/her balance.
- a conventional roller skate in accordance with the prior art comprises a toe stop mounted on the front side of the base frame so as to provide a braking effect.
- the roller skate cannot be fixed on the ground without movement, so that the learner cannot stand on the roller skate to practice his/her balance, thereby causing inconvenience to the learner.
- the toe stop cannot stop the roller skate at a higher speed, thereby causing danger to the user or the learner.
- the present invention is to mitigate and/or obviate the disadvantage of the conventional roller skate.
- the primary objective of the present invention is to provide a roller skate having a safety device, wherein the roller skate can be fixed on the ground without rotation by the safety device, so that the learner can stand on the roller skate without movement so as to practice his/her balance.
- Another objective of the present invention is to provide a roller skate having a safety device, wherein when the learner can stand on the roller skate steadily and stably, the safety member is slightly loosened from the first and fourth wheels, so that the first and fourth wheels are rotated at a lower speed, thereby facilitating the learner practicing the skating skill.
- a roller skate comprising:
- a safety device mounted on at least one of the wheels, wherein:
- the safety device includes a safety member mounted on the fixing seat and urged on the at least one wheel, so as to adjust a rotation speed of the at least one wheel.
- FIG. 1 is a side plan view of a roller skate having a safety device in accordance with the first embodiment of the present invention
- FIG. 2 is a perspective view of the roller skate having a safety device in accordance with the first embodiment of the present invention
- FIG. 3 is a bottom plan view of the roller skate having a safety device in accordance with the first embodiment of the present invention
- FIG. 4 is a plan cross-sectional assembly view of the roller skate having a safety device in accordance with the second embodiment of the present invention
- FIG. 5 is a perspective assembly view of the roller skate having a safety device in accordance with the second embodiment of the present invention.
- FIG. 6 is a plan cross-sectional assembly view of the roller skate having a safety device in accordance with the third embodiment of the present invention.
- FIG. 7 is a perspective assembly view of the roller skate having a safety device in accordance with the fourth embodiment of the present invention.
- FIG. 8 is an exploded perspective view of a safety device of the roller skate having a safety device in accordance with the fourth embodiment of the present invention.
- FIG. 9 is a plan cross-sectional assembly view of the roller skate having a safety device in accordance with the fifth embodiment of the present invention.
- FIG. 10 is a plan cross-sectional assembly view of the roller skate having a safety device in accordance with the sixth embodiment of the present invention.
- a roller skate (or in-line roller skate, skateboard, scooter or the like) 10 in accordance with a first embodiment of the present invention comprises a fixing seat 12 , and a plurality of wheels 11 each rotatably mounted on the fixing seat 12 .
- the roller skate 10 further comprises a safety device mounted on at least one of the wheels 11 .
- the safety device includes a safety member 21 mounted on the fixing seat 12 and urged on the wheel 11 , so as to adjust a rotation speed of the wheel 11 .
- the fixing seat 12 is formed with a threaded positioning portion 13 (such as a screw bore).
- the safety member 21 includes a threaded adjusting portion 210 (such as a threaded rod) screwed into the positioning portion 13 of the fixing seat 12 , a brake portion 211 formed on a first end of the adjusting portion 210 and rested on a rim of the wheel 11 , and a circular adjusting knob 212 formed on a second end of the adjusting portion 210 for rotating the adjusting portion 210 .
- the brake portion 211 of the safety member 21 rubs the rim of the wheel 11 , thereby producing a safety braking effect.
- the rim of each of the wheels 11 is provided with a rubbing member 110 (see FIG. 3) made of wear-resistant material rested on the brake portion 211 of the safety member 21 to enhance the rubbing effect.
- the safety member 21 can be mounted on the front end and the rear end of the fixing seat 12 to lock the first and fourth wheels 11 , thereby fixing the first and fourth wheels 11 on the fixing seat 12 by the safety member 21 , so that the roller skate 10 is fixed on the ground without rotation.
- the learner can stand on the roller skate 10 without movement so as to practice his/her balance sensation.
- the safety member 21 is slightly loosened from the first and fourth wheels 11 , so that the first and fourth wheels 11 are rotated at a lower speed, thereby facilitating the learner practicing the skating skill.
- the safety device includes a safety member 21 A mounted on the fixing seat 12 and including a threaded adjusting portion 210 A (such as a threaded rod) screwed into the positioning portion 13 of the fixing seat 12 , a passage rod 213 A formed on a first end of the adjusting portion 210 A and extended through the spokes 111 of the wheel 11 , and a circular adjusting knob 212 A formed on a second end of the adjusting portion 210 A for rotating the adjusting portion 210 A.
- the passage rod 213 A of the safety member 21 A is extended through the spokes 111 of the wheel 11 , so as to stop movement of the wheel 11 , thereby producing a safety braking effect.
- the positioning portion 13 of the fixing seat 12 is undefined.
- the passage rod 213 A of the safety member 21 A is extended through the spokes 111 of the wheel 11 , with the adjusting knob 212 A and the passage rod 213 A being protruded outward from the wheel 11 and rested on the periphery of the fixing seat 12 , so as to stop movement of the wheel 11 , thereby producing a safety braking effect.
- the safety device further includes a hex wrench 21 ′ extended through the spokes 111 of the wheel 11 , so as to stop movement of the wheel 11 , thereby producing a safety braking effect.
- the fixing seat 12 is formed with a hexagonal recess 14 for receiving the hex wrench 21 ′ when not in use.
- FIG. 6 a roller skate 10 B in accordance with a third embodiment of the present invention is shown, wherein the fixing seat 12 B is formed with a positioning portion 13 B.
- the safety device includes a safety member 21 B mounted on the fixing seat 12 B and including a passage rod 213 B extended through the positioning portion 13 B of the fixing seat 12 B and the spokes 111 of the wheel 11 , a circular adjusting knob 212 B formed on a first end of the passage rod 213 B and rested on the fixing seat 12 B, and a protruding stop portion 214 B formed on a second end of the passage rod 213 B and rested on the fixing seat 12 B.
- the stop portion 214 B is rested on the fixing seat 12 B, thereby preventing the safety member 21 B from detaching from the wheel 11 .
- FIGS. 7 and 8 a roller skate 10 C in accordance with a fourth embodiment of the present invention is shown, wherein the fixing seat 12 C is formed with a threaded positioning portion 13 C (such as a screw bore) formed with two opposite locking holes 130 C.
- the safety device includes a safety member 21 C, and an elastic locking member 22 .
- the safety member 21 C includes a threaded adjusting portion 210 C (such as a threaded rod) screwed into the positioning portion 13 C of the fixing seat 12 C, a brake portion 211 C formed on a first end of the adjusting portion 210 C and rested on a rim of the wheel 11 , and a circular adjusting knob 212 C formed on a second end of the adjusting portion 210 C for rotating the adjusting portion 210 C.
- the brake portion 211 C of the safety member 21 C rubs the rim of the wheel 11 , thereby producing a safety braking effect.
- the adjusting knob 212 C of the safety member 21 C has an inner side formed with a plurality of teeth 215 C.
- the elastic locking member 22 is mounted on the adjusting portion 210 C of the safety member 21 C and is formed with a through hole 220 for passage of the adjusting portion 210 C of the safety member 21 C.
- the elastic locking member 22 has a periphery formed with two opposite locking blocks 221 each locked in a respective one of the two opposite locking holes 130 C of the fixing seat 12 C, and formed with two opposite oblique elastic plates 222 each having a distal end formed with a locking portion 223 engaged with the teeth 215 C of the adjusting knob 212 C of the safety member 21 C.
- FIG. 9 a roller skate in accordance with a fifth embodiment of the present invention is shown, wherein the fixing seat 12 D is provided with a threaded positioning portion 13 D (such as a screw bore) and a threaded fixing hole 120 D.
- the safety device includes a safety member 21 D, and an elastic press member 23 .
- the safety member 21 D includes a threaded adjusting portion 210 D (such as a threaded rod) screwed into the positioning portion 13 D of the fixing seat 12 D, a brake portion 211 D formed on a first end of the adjusting portion 210 D, and a circular adjusting knob 212 D formed on a second end of the adjusting portion 210 D for rotating the adjusting portion 210 D.
- the positioning portion 13 D of the fixing seat 12 D is provided with a rubbing member 25 made of wear-resistant material to prevent consumption of material.
- the press member 23 has a first end 231 secured on the fixing seat 12 D by a fixing member 24 which is screwed into the fixing hole 120 D of the fixing seat 12 D and a second end rested on the brake portion 211 D of the safety member 21 D.
- the second end of the press member 23 has an inner side formed with a press portion 230 urged on the wheel 11 , thereby producing a safety braking effect.
- FIG. 10 a roller skate in accordance with a sixth embodiment of the present invention is shown, wherein the fixing seat 12 E is provided with a threaded positioning portion 13 E (such as a screw bore).
- the safety device includes a safety member 21 E, and an elastic press member 23 E.
- the safety member 21 E includes a threaded adjusting portion 210 E (such as a threaded rod) screwed into the positioning portion 13 E of the fixing seat 12 E, a positioning portion 217 E formed on a first end of the adjusting portion 210 E and formed with a threaded pulling bore 216 E, and a circular adjusting knob 212 E formed on a second end of the adjusting portion 210 E for rotating the adjusting portion 210 E.
- a threaded adjusting portion 210 E such as a threaded rod
- the press member 23 E is connected to the safety member 21 E by a threaded pulling member 27 (such as a bolt) which is extended through a passage 232 E of the press member 23 E and is screwed into the pulling bore 216 E of the safety member 21 E.
- the press member 23 E has an inner side formed with a press portion 230 E urged on the wheel 11 , thereby producing a safety braking effect.
- the safety device further includes an elastic member 26 mounted on the pulling member 27 and urged between the safety member 21 E and the press member 23 E.
- the elastic member 26 has a first end secured on the positioning portion 217 E of the safety member 21 E and a second end secured on a protruding lug 231 E of the press member 23 E.
Abstract
A roller skate includes a fixing seat, a plurality of wheels, and a safety device mounted on the wheel. The safety device includes a safety member mounted on the fixing seat and urged on the wheel, so as to adjust a rotation speed of the wheel. Thus, the roller skate can be fixed on the ground without rotation by the safety device, so that the learner can stand on the roller skate without movement so as to practice his/her balance. In addition, the safety member is slightly loosened from the wheels, so that the wheels are rotated at a lower speed, thereby facilitating the learner practicing the skating skill.
Description
- 1. Field of the Invention
- The present invention relates to a roller skate having a safety device, and more particularly to a roller skate having a safety device, wherein the roller skate can be fixed on the ground without movement by the safety device, so that the learner can stably stand on the roller skate without movement so as to practice his/her balance.
- 2. Description of the Related Art
- A conventional roller skate in accordance with the prior art comprises a toe stop mounted on the front side of the base frame so as to provide a braking effect. However, the roller skate cannot be fixed on the ground without movement, so that the learner cannot stand on the roller skate to practice his/her balance, thereby causing inconvenience to the learner. In addition, the toe stop cannot stop the roller skate at a higher speed, thereby causing danger to the user or the learner.
- The present invention is to mitigate and/or obviate the disadvantage of the conventional roller skate.
- The primary objective of the present invention is to provide a roller skate having a safety device, wherein the roller skate can be fixed on the ground without rotation by the safety device, so that the learner can stand on the roller skate without movement so as to practice his/her balance.
- Another objective of the present invention is to provide a roller skate having a safety device, wherein when the learner can stand on the roller skate steadily and stably, the safety member is slightly loosened from the first and fourth wheels, so that the first and fourth wheels are rotated at a lower speed, thereby facilitating the learner practicing the skating skill.
- In accordance with the present invention, there is provided a roller skate, comprising:
- a fixing seat;
- a plurality of wheels each rotatably mounted on the fixing seat;
- a safety device mounted on at least one of the wheels, wherein:
- the safety device includes a safety member mounted on the fixing seat and urged on the at least one wheel, so as to adjust a rotation speed of the at least one wheel.
- Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
- FIG. 1 is a side plan view of a roller skate having a safety device in accordance with the first embodiment of the present invention;
- FIG. 2 is a perspective view of the roller skate having a safety device in accordance with the first embodiment of the present invention;
- FIG. 3 is a bottom plan view of the roller skate having a safety device in accordance with the first embodiment of the present invention;
- FIG. 4 is a plan cross-sectional assembly view of the roller skate having a safety device in accordance with the second embodiment of the present invention;
- FIG. 5 is a perspective assembly view of the roller skate having a safety device in accordance with the second embodiment of the present invention;
- FIG. 6 is a plan cross-sectional assembly view of the roller skate having a safety device in accordance with the third embodiment of the present invention;
- FIG. 7 is a perspective assembly view of the roller skate having a safety device in accordance with the fourth embodiment of the present invention;
- FIG. 8 is an exploded perspective view of a safety device of the roller skate having a safety device in accordance with the fourth embodiment of the present invention;
- FIG. 9 is a plan cross-sectional assembly view of the roller skate having a safety device in accordance with the fifth embodiment of the present invention; and
- FIG. 10 is a plan cross-sectional assembly view of the roller skate having a safety device in accordance with the sixth embodiment of the present invention.
- Referring to the drawings and initially to FIGS.1-3, a roller skate (or in-line roller skate, skateboard, scooter or the like) 10 in accordance with a first embodiment of the present invention comprises a
fixing seat 12, and a plurality ofwheels 11 each rotatably mounted on thefixing seat 12. Theroller skate 10 further comprises a safety device mounted on at least one of thewheels 11. - The safety device includes a
safety member 21 mounted on thefixing seat 12 and urged on thewheel 11, so as to adjust a rotation speed of thewheel 11. Thefixing seat 12 is formed with a threaded positioning portion 13 (such as a screw bore). Thesafety member 21 includes a threaded adjusting portion 210 (such as a threaded rod) screwed into thepositioning portion 13 of thefixing seat 12, abrake portion 211 formed on a first end of the adjustingportion 210 and rested on a rim of thewheel 11, and a circular adjustingknob 212 formed on a second end of the adjustingportion 210 for rotating the adjustingportion 210. In such a manner, thebrake portion 211 of thesafety member 21 rubs the rim of thewheel 11, thereby producing a safety braking effect. In addition, the rim of each of thewheels 11 is provided with a rubbing member 110 (see FIG. 3) made of wear-resistant material rested on thebrake portion 211 of thesafety member 21 to enhance the rubbing effect. - In practice, the
safety member 21 can be mounted on the front end and the rear end of thefixing seat 12 to lock the first andfourth wheels 11, thereby fixing the first andfourth wheels 11 on thefixing seat 12 by thesafety member 21, so that theroller skate 10 is fixed on the ground without rotation. Thus, the learner can stand on theroller skate 10 without movement so as to practice his/her balance sensation. When the learner can stand on theroller skate 10 steadily and stably, thesafety member 21 is slightly loosened from the first andfourth wheels 11, so that the first andfourth wheels 11 are rotated at a lower speed, thereby facilitating the learner practicing the skating skill. - Referring to FIGS. 4 and 5, a
roller skate 10A in accordance with a second embodiment of the present invention is shown, wherein each of thewheels 11 has a plurality ofspokes 111. The safety device includes asafety member 21A mounted on thefixing seat 12 and including a threaded adjustingportion 210A (such as a threaded rod) screwed into thepositioning portion 13 of thefixing seat 12, apassage rod 213A formed on a first end of the adjustingportion 210A and extended through thespokes 111 of thewheel 11, and a circular adjustingknob 212A formed on a second end of the adjustingportion 210A for rotating the adjustingportion 210A. In such a manner, thepassage rod 213A of thesafety member 21A is extended through thespokes 111 of thewheel 11, so as to stop movement of thewheel 11, thereby producing a safety braking effect. - As shown in FIG. 5, the
positioning portion 13 of thefixing seat 12 is undefined. Thus, thepassage rod 213A of thesafety member 21A is extended through thespokes 111 of thewheel 11, with the adjustingknob 212A and thepassage rod 213A being protruded outward from thewheel 11 and rested on the periphery of thefixing seat 12, so as to stop movement of thewheel 11, thereby producing a safety braking effect. In addition, the safety device further includes ahex wrench 21′ extended through thespokes 111 of thewheel 11, so as to stop movement of thewheel 11, thereby producing a safety braking effect. Preferably, thefixing seat 12 is formed with ahexagonal recess 14 for receiving thehex wrench 21′ when not in use. - Referring to FIG. 6, a
roller skate 10B in accordance with a third embodiment of the present invention is shown, wherein thefixing seat 12B is formed with apositioning portion 13B. The safety device includes asafety member 21B mounted on thefixing seat 12B and including apassage rod 213B extended through thepositioning portion 13B of thefixing seat 12B and thespokes 111 of thewheel 11, a circular adjustingknob 212B formed on a first end of thepassage rod 213B and rested on thefixing seat 12B, and a protrudingstop portion 214B formed on a second end of thepassage rod 213B and rested on thefixing seat 12B. Thus, thestop portion 214B is rested on thefixing seat 12B, thereby preventing thesafety member 21B from detaching from thewheel 11. - Referring to FIGS. 7 and 8, a
roller skate 10C in accordance with a fourth embodiment of the present invention is shown, wherein thefixing seat 12C is formed with a threadedpositioning portion 13C (such as a screw bore) formed with twoopposite locking holes 130C. The safety device includes asafety member 21C, and anelastic locking member 22. - The
safety member 21C includes a threaded adjustingportion 210C (such as a threaded rod) screwed into thepositioning portion 13C of thefixing seat 12C, abrake portion 211C formed on a first end of the adjustingportion 210C and rested on a rim of thewheel 11, and a circular adjustingknob 212C formed on a second end of the adjustingportion 210C for rotating the adjustingportion 210C. In such a manner, thebrake portion 211C of thesafety member 21C rubs the rim of thewheel 11, thereby producing a safety braking effect. The adjustingknob 212C of thesafety member 21C has an inner side formed with a plurality ofteeth 215C. - The
elastic locking member 22 is mounted on the adjustingportion 210C of thesafety member 21C and is formed with athrough hole 220 for passage of the adjustingportion 210C of thesafety member 21C. Theelastic locking member 22 has a periphery formed with twoopposite locking blocks 221 each locked in a respective one of the twoopposite locking holes 130C of thefixing seat 12C, and formed with two opposite obliqueelastic plates 222 each having a distal end formed with alocking portion 223 engaged with theteeth 215C of the adjustingknob 212C of thesafety member 21C. - Referring to FIG. 9, a roller skate in accordance with a fifth embodiment of the present invention is shown, wherein the
fixing seat 12D is provided with a threadedpositioning portion 13D (such as a screw bore) and a threadedfixing hole 120D. The safety device includes asafety member 21D, and anelastic press member 23. - The
safety member 21D includes a threaded adjustingportion 210D (such as a threaded rod) screwed into thepositioning portion 13D of thefixing seat 12D, abrake portion 211D formed on a first end of the adjustingportion 210D, and a circular adjustingknob 212D formed on a second end of the adjustingportion 210D for rotating the adjustingportion 210D. Preferably, thepositioning portion 13D of thefixing seat 12D is provided with a rubbingmember 25 made of wear-resistant material to prevent consumption of material. - The
press member 23 has afirst end 231 secured on thefixing seat 12D by afixing member 24 which is screwed into thefixing hole 120D of thefixing seat 12D and a second end rested on thebrake portion 211D of thesafety member 21D. The second end of thepress member 23 has an inner side formed with apress portion 230 urged on thewheel 11, thereby producing a safety braking effect. - Referring to FIG. 10, a roller skate in accordance with a sixth embodiment of the present invention is shown, wherein the
fixing seat 12E is provided with a threadedpositioning portion 13E (such as a screw bore). The safety device includes asafety member 21E, and anelastic press member 23E. - The
safety member 21E includes a threadedadjusting portion 210E (such as a threaded rod) screwed into thepositioning portion 13E of the fixingseat 12E, a positioning portion 217E formed on a first end of the adjustingportion 210E and formed with a threaded pullingbore 216E, and acircular adjusting knob 212E formed on a second end of the adjustingportion 210E for rotating the adjustingportion 210E. - The
press member 23E is connected to thesafety member 21E by a threaded pulling member 27 (such as a bolt) which is extended through apassage 232E of thepress member 23E and is screwed into the pullingbore 216E of thesafety member 21E. Thepress member 23E has an inner side formed with apress portion 230E urged on thewheel 11, thereby producing a safety braking effect. - The safety device further includes an
elastic member 26 mounted on the pullingmember 27 and urged between thesafety member 21E and thepress member 23E. Theelastic member 26 has a first end secured on the positioning portion 217E of thesafety member 21E and a second end secured on a protrudinglug 231E of thepress member 23E. - Although the invention has been explained in relation to its preferred embodiment(s) as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the true scope of the invention.
Claims (20)
1. A roller skate, comprising:
a fixing seat;
a plurality of wheels each rotatably mounted on the fixing seat;
a safety device mounted on at least one of the wheels, wherein:
the safety device includes a safety member mounted on the fixing seat and urged on the at least one wheel, so as to adjust a rotation speed of the at least one wheel.
2. The roller skate in accordance with claim 1 , wherein the fixing seat is formed with a positioning portion, and the safety member includes an adjusting portion extended through the positioning portion of the fixing seat, a brake portion formed on a first end of the adjusting portion and rested on a rim of the wheel, and a circular adjusting knob formed on a second end of the adjusting portion for rotating the adjusting portion.
3. The roller skate in accordance with claim 2 , wherein the positioning portion of the fixing seat is a screw bore.
4. The roller skate in accordance with claim 2 , wherein the adjusting portion of the safety member is a threaded rod.
5. The roller skate in accordance with claim 2 , wherein the rim of each of the wheels is provided with a rubbing member made of wear-resistant material rested on the brake portion of the safety member.
6. The roller skate in accordance with claim 1 , wherein each of the wheels has a plurality of spokes, the fixing seat is formed with a positioning portion, and the safety member includes an adjusting portion extended through the positioning portion of the fixing seat, a passage rod formed on a first end of the adjusting portion and extended through the spokes of the wheel, and a circular adjusting knob formed on a second end of the adjusting portion for rotating the adjusting portion.
7. The roller skate in accordance with claim 6 , wherein the passage rod of the safety member is extended through the spokes of the wheel, with the adjusting knob and the passage rod being protruded outward from the wheel and rested on the periphery of the fixing seat, so as to stop movement of the wheel.
8. The roller skate in accordance with claim 6 , wherein the safety device further includes a hex wrench extended through the spokes of the wheel, so as to stop movement of the wheel.
9. The roller skate in accordance with claim 8 , wherein the fixing seat is formed with a hexagonal recess for receiving the hex wrench.
10. The roller skate in accordance with claim 1 , wherein each of the wheels has a plurality of spokes, the fixing seat is formed with a positioning portion, and the safety member includes a passage rod extended through the positioning portion of the fixing seat and the spokes of the wheel, a circular adjusting knob formed on a first end of the passage rod and rested on the fixing seat, and a protruding stop portion formed on a second end of the passage rod and rested on the fixing seat.
11. The roller skate in accordance with claim 1 , wherein the fixing seat is formed with a threaded positioning portion formed with two opposite locking holes, the safety device includes a safety member, and an elastic locking member, wherein:
the safety member includes a threaded adjusting portion screwed into the positioning portion of the fixing seat, a brake portion formed on a first end of the adjusting portion and rested on a rim of the wheel, and a circular adjusting knob formed on a second end of the adjusting portion for rotating the adjusting portion; and
the locking member is secured on the safety member and has a periphery formed with two opposite locking blocks each locked in a respective one of the two opposite locking holes of the fixing seat.
12. The roller skate in accordance with claim 11 , wherein the adjusting knob of the safety member has an inner side formed with a plurality of teeth, and the periphery of the locking member is formed with two opposite oblique elastic plates each having a distal end formed with a locking portion engaged with the teeth of the adjusting knob of the safety member.
13. The roller skate in accordance with claim 11 , wherein the elastic locking member is formed with a through hole for passage of the adjusting portion of the safety member.
14. The roller skate in accordance with claim 1 , wherein the fixing seat is provided with a threaded positioning portion, and the safety device includes a safety member, and an elastic press member, wherein:
the safety member includes a threaded adjusting portion screwed into the positioning portion of the fixing seat, a brake portion formed on a first end of the adjusting portion, and a circular adjusting knob formed on a second end of the adjusting portion for rotating the adjusting portion; and
the press member has a first end secured on the fixing seat and a second end rested on the brake portion of the safety member, the second end of the press member has an inner side formed with a press portion urged on the wheel.
15. The roller skate in accordance with claim 14 , wherein the fixing seat is provided with a threaded fixing hole, and the safety device further includes a fixing member extended through the first end of the press member and screwed into the fixing hole of the fixing seat for fixing the first end of the press member on the fixing seat.
16. The roller skate in accordance with claim 14 , wherein the positioning portion of the fixing seat is provided with a rubbing member made of wear-resistant material.
17. The roller skate in accordance with claim 1 , wherein the fixing seat is provided with a threaded positioning portion, and the safety device includes a safety member, and an elastic press member, wherein:
the safety member includes a threaded adjusting portion screwed into the positioning portion of the fixing seat, a positioning portion formed on a first end of the adjusting portion and formed with a threaded pulling bore, and a circular adjusting knob formed on a second end of the adjusting portion for rotating the adjusting portion; and
the press member is connected to the safety member by a threaded pulling member which is extended through a passage of the press member and is screwed into the pulling bore of the safety member.
18. The roller skate in accordance with claim 17 , wherein the press member has an inner side formed with a press portion urged on the wheel.
19. The roller skate in accordance with claim 17 , wherein the safety device further includes an elastic member mounted on the pulling member and urged between the safety member and the press member.
20. The roller skate in accordance with claim 19 , wherein the elastic member has a first end secured on the positioning portion of the safety member and a second end secured on a protruding lug of the press member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/197,411 US7344143B2 (en) | 2003-01-24 | 2005-08-05 | Roller skate having a safety device |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
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TW91207397 | 2002-05-17 | ||
TW091207397 | 2002-05-17 | ||
TW091219777 | 2002-12-04 | ||
TW091219776 | 2002-12-04 | ||
TW91219776 | 2002-12-04 | ||
TW91219777 | 2002-12-04 | ||
TW091220606 | 2002-12-17 | ||
TW91220606 | 2002-12-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/197,411 Continuation-In-Part US7344143B2 (en) | 2003-01-24 | 2005-08-05 | Roller skate having a safety device |
Publications (1)
Publication Number | Publication Date |
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US20030214104A1 true US20030214104A1 (en) | 2003-11-20 |
Family
ID=29424676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/350,065 Abandoned US20030214104A1 (en) | 2002-05-17 | 2003-01-24 | Roller skate having a safety device |
Country Status (2)
Country | Link |
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US (1) | US20030214104A1 (en) |
DE (1) | DE10303209B3 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1645311A1 (en) * | 2004-10-11 | 2006-04-12 | Skis Rossignol S.A. | Chassis for in line skate comprising two stacked channel frame sections |
US20080099286A1 (en) * | 2006-10-30 | 2008-05-01 | Max Dalho Lee | Brake system by see-saw movement for in-line roller skate |
EP2198936A2 (en) * | 2008-12-16 | 2010-06-23 | Paul Hardter | Switchable speed regulation for dual track roller skates |
US10859552B2 (en) * | 2017-06-20 | 2020-12-08 | The Hong Kong Polytechnic University | Edible oil analysis system and method |
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US906281A (en) * | 1907-12-24 | 1908-12-08 | James Leonard Plimpton | Roller-skate. |
US1188377A (en) * | 1913-04-22 | 1916-06-20 | James E Weaver | Roller-skate. |
US2140955A (en) * | 1937-11-22 | 1938-12-20 | Theodore R Goettie | Roller skate brake |
US2725238A (en) * | 1952-01-29 | 1955-11-29 | Samuel S Day | Training-type roller skate |
US2865645A (en) * | 1955-05-16 | 1958-12-23 | Levin Simon | Roller skate having continuously applied braking means |
US2865644A (en) * | 1955-05-16 | 1958-12-23 | Levin Simon | Controllable skate having continuously applied brake |
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US3900203A (en) * | 1974-07-08 | 1975-08-19 | Adolph F Kukulowicz | Tandem wheeled roller skate |
US4181316A (en) * | 1978-05-12 | 1980-01-01 | Stiebel Eltron Gmbh & Co. Kg | Skate Board |
US4932676A (en) * | 1988-02-08 | 1990-06-12 | Quaker Oats Company | Roller skate having three control modes |
US5192099A (en) * | 1991-08-27 | 1993-03-09 | Riutta Raine R | Roller skate starting and stopping aids |
US5232071A (en) * | 1991-05-08 | 1993-08-03 | Sugatsune Kogyo Co., Ltd. | Caster brake with push button actuation of a slide member for locking the caster wheel |
US5486011A (en) * | 1994-06-02 | 1996-01-23 | Nelson; Randy | Spring biased braking device for in-line roller skates |
US5511805A (en) * | 1994-05-12 | 1996-04-30 | Mcgrath; Neal | Braking apparatus for use with in-line roller skates |
US5709395A (en) * | 1996-01-16 | 1998-01-20 | Lee; Charles | Three wheel roller skate |
US5855381A (en) * | 1994-05-17 | 1999-01-05 | Kirk; Norbert | Wheel lock for in-line skates |
US6003881A (en) * | 1997-09-17 | 1999-12-21 | Reebok Interantional Ltd. | Variable training resistance device |
US6386555B1 (en) * | 2001-02-21 | 2002-05-14 | Phoebe & George Enterprise Co., Ltd. | Roller skate structure |
US6446982B1 (en) * | 1995-06-07 | 2002-09-10 | Richard S. Gaster | In-line skate conversion apparatus |
-
2003
- 2003-01-24 US US10/350,065 patent/US20030214104A1/en not_active Abandoned
- 2003-01-28 DE DE10303209A patent/DE10303209B3/en not_active Expired - Fee Related
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US341999A (en) * | 1886-05-18 | Roller-skate | ||
US906281A (en) * | 1907-12-24 | 1908-12-08 | James Leonard Plimpton | Roller-skate. |
US1188377A (en) * | 1913-04-22 | 1916-06-20 | James E Weaver | Roller-skate. |
US2140955A (en) * | 1937-11-22 | 1938-12-20 | Theodore R Goettie | Roller skate brake |
US2725238A (en) * | 1952-01-29 | 1955-11-29 | Samuel S Day | Training-type roller skate |
US2865645A (en) * | 1955-05-16 | 1958-12-23 | Levin Simon | Roller skate having continuously applied braking means |
US2865644A (en) * | 1955-05-16 | 1958-12-23 | Levin Simon | Controllable skate having continuously applied brake |
US3000643A (en) * | 1958-09-02 | 1961-09-19 | Levin Simon | Controllable skate having continuously applied brake |
US3339936A (en) * | 1965-04-01 | 1967-09-05 | Jerome F Hamlin | Roller skate construction |
US3868121A (en) * | 1973-12-21 | 1975-02-25 | Chicago Roller Skate Co | Plastic skate sole plate with adjustable toe-stop mount |
US3900203A (en) * | 1974-07-08 | 1975-08-19 | Adolph F Kukulowicz | Tandem wheeled roller skate |
US4181316A (en) * | 1978-05-12 | 1980-01-01 | Stiebel Eltron Gmbh & Co. Kg | Skate Board |
US4932676A (en) * | 1988-02-08 | 1990-06-12 | Quaker Oats Company | Roller skate having three control modes |
US5232071A (en) * | 1991-05-08 | 1993-08-03 | Sugatsune Kogyo Co., Ltd. | Caster brake with push button actuation of a slide member for locking the caster wheel |
US5192099A (en) * | 1991-08-27 | 1993-03-09 | Riutta Raine R | Roller skate starting and stopping aids |
US5511805A (en) * | 1994-05-12 | 1996-04-30 | Mcgrath; Neal | Braking apparatus for use with in-line roller skates |
US5855381A (en) * | 1994-05-17 | 1999-01-05 | Kirk; Norbert | Wheel lock for in-line skates |
US5486011A (en) * | 1994-06-02 | 1996-01-23 | Nelson; Randy | Spring biased braking device for in-line roller skates |
US6446982B1 (en) * | 1995-06-07 | 2002-09-10 | Richard S. Gaster | In-line skate conversion apparatus |
US5709395A (en) * | 1996-01-16 | 1998-01-20 | Lee; Charles | Three wheel roller skate |
US6003881A (en) * | 1997-09-17 | 1999-12-21 | Reebok Interantional Ltd. | Variable training resistance device |
US6131921A (en) * | 1997-09-17 | 2000-10-17 | Reebok International Ltd. | Variable training resistance device |
US6386555B1 (en) * | 2001-02-21 | 2002-05-14 | Phoebe & George Enterprise Co., Ltd. | Roller skate structure |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1645311A1 (en) * | 2004-10-11 | 2006-04-12 | Skis Rossignol S.A. | Chassis for in line skate comprising two stacked channel frame sections |
FR2876296A1 (en) * | 2004-10-11 | 2006-04-14 | Skis Rossignol Sa Sa | PATIN CHASSIS COMPRISING TWO OVERLAPPED PROFILES |
US20080099286A1 (en) * | 2006-10-30 | 2008-05-01 | Max Dalho Lee | Brake system by see-saw movement for in-line roller skate |
EP2198936A2 (en) * | 2008-12-16 | 2010-06-23 | Paul Hardter | Switchable speed regulation for dual track roller skates |
EP2198936A3 (en) * | 2008-12-16 | 2014-04-30 | Paul Hardter | Switchable speed regulation for dual track roller skates |
US10859552B2 (en) * | 2017-06-20 | 2020-12-08 | The Hong Kong Polytechnic University | Edible oil analysis system and method |
Also Published As
Publication number | Publication date |
---|---|
DE10303209B3 (en) | 2004-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: LOTUSKATE SPORTS INDUSTRIAL CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHANG, CHUCK;REEL/FRAME:013708/0497 Effective date: 20030120 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |