US3145685A - Shock absorbing bumper for boats and docks - Google Patents

Shock absorbing bumper for boats and docks Download PDF

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US3145685A
US3145685A US313029A US31302963A US3145685A US 3145685 A US3145685 A US 3145685A US 313029 A US313029 A US 313029A US 31302963 A US31302963 A US 31302963A US 3145685 A US3145685 A US 3145685A
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bumper
boat
torque
channel
rollers
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US313029A
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Sr Edward L Kulick
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/02—Fenders integral with waterborne vessels or specially adapted therefor, e.g. fenders forming part of the hull or incorporated in the hull; Rubbing-strakes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
    • E02B3/26—Fenders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

Definitions

  • the invention contemplates an elongated bumper for both dock piling and also for the marginal portion of a boat and with the bumpers being movable in an arcuate path and to be opposed in its movement by torque rods.
  • One form of the invention comprises an elongated vertically disposed bumper that is provided with a plurality of cushion rollers and with the bumpers being supported both upper and lower by torque rods that are anchored into a channel member that is fixed to the piling of a dock and whereby the bumpers may swing in a hori- Zontal are when engaged by a boat.
  • an elongated bumper having cushion rollers are supported outwardly from the edge of the boat or the edge of the rub rail and that constitutes a bumper for the sides of the boat and the bow portion thereof when the boat contacts a piling or other obstruction and with the second form embodying a rotatable tube in which is anchored a torsion rod and with the tube carrying laterally extending arms for supporting the bumper.
  • FIGURE 1 is a side elevation partly in section showing a bumper device mounted upon the piling of a dock
  • FIGURE 2 is a plan view thereof
  • FIGURE 3 is a fragmentary sectional view taken on line 3-3 of FIGURE 1,
  • FIGURE 4 is a plan view of a bumper device mounted upon the side and bow portion of a boat
  • FIGURE 5 is a sectional view taken on line 55 of FIGURE 4, and
  • FIGURE 6 is a sectional view taken on line 6- -6 of FIGURE 5.
  • a dock 5 supported by the piles 6.
  • the channel member is of elongated form to extend a predetermined distance into the water, indicated at 9.
  • Fixed in opposite ends of the channel are bearing plates 10.
  • the bearing plates 10 are preferably provided with nylon bushings 11, for the rotative reception of torque rods 12.
  • the inner ends of the torque rods 12 are bent at a right angle and project thtrough apertures 13 of one side wall 14 of the channel member 8.
  • the torque bars project outwardly from the bearings 11 and are bent at a right angle, as shown at 17 and then upwardly and downwardly as indicated at 18 for engagement into the opposite ends of a tubular core 19, that constitutes the bearing for a plurality of cushion rollers 20 that are formed of rubber or any other suitable cushioning material.
  • the rollers 20 are held against shifting movement with respect to the ends 18 of the torque rods by collars 21, fixed to the ends 18 by set screws 22.
  • the upper portions 17 of the torque bars are angled outwardly and whereby to provide a suitable swinging movement of the bumper device toward and from the piling.
  • the torque rods 12 are preferably formed of steel or like metal that is capable of twisting when a load is imparted thereto by the rollers 20 when a boat engages the device.
  • the torque rods are bent to the shape indicated and the ends 12a inserted through the apertures 13 and then fixed into the channel by the clamping plate 15.
  • the rods 12 have rotative movement in the bearings 11 and with the clamp 15 and the ends extending through the apertures 13, the torque rods are prevented from shifting up or down with respect to the channel 8.
  • the torque arms are swung inwardly, creating a torsional movement in the rods 12.
  • the torsion set up in the rods 12 will return the rollers and the angled ends of the torque rods outwardly to the position illustrated in FIG- URE 2 thus, the torque rods constantly urge the rollers and associated mechanism outwardly and will absorb any shock or bumping action by the boat.
  • the plurality of rollers 20 function to dispose the bumper at a sufiicient depth within the water and above the water whereby to function as a bumper in various degrees of tide conditions.
  • a mounting bumper for the sides of boats and the bow portion of the boat comprising a tubular member 23 that is anchored to the deck 24 of the boat at one end by a bearing block 25.
  • the block 25 is preferably provided with a nylon bearing bushing 26.
  • a nylon bearing 28 is inserted into one end of the tube 23 and bears against the bracket 27.
  • the rod 29 at its opposite end is bent at a right angle, as indicated at 31 and extends through an aperture 32 of the tube 23. Since the rod cannot rotate, due to its fixed end 30, rotation of the tube 23 will cause a torque action upon the rod 29 by the end 31 that is anchored to the tube.
  • the arms 33 are of goose-neck shape as illustrated in FIGURE 5, for a purpose to be presently described.
  • the arms 33 at their outer ends are provided with bear ings 34 that embrace a rod 35, that extends through the plurality of cushion rollers 36.
  • the cushion rollers 36 may be formed of rubber or other cushion material and the rod 35 may extend through a tubular member, not shown, that passes through all of the rollers and the bearings 34.
  • the outer ends of the rods 35 are bent laterally to prevent disengagement of the outermost rollers 36. It will be observed in FIGURE 4, a shorter bumper device of like construction is illustrated as a whole by the numeral 37 and this device is mounted upon the bow portion of the boat.
  • the device 37 is substantially identical to that just described. While one bumper device has been illustrated, it will be apparent that a plurality of such bumper devices may be employed upon one or both sides of the boat.
  • the goose-neck arm 33 permits a protective bumper action against piling or other fixed obstructions and permits the rollers and the arms to swing downwardly to a point adjacent the sides of the boat and such swinging action is determined by the torque capacity of the rod 29.
  • This form of the invention provides a protective bumper device that is always biased outwardly by the torque rod 29 so that the boat may engage piling or other obstructions that are not equipped with bumper devices, such as that illustrated in the first form of the invention. While the bumper device 37 has been illustrated as a separate unit, it follows that the rod 35 may be arcuately curved to form a continuation of the bumper around the curve of the boat.
  • the bumper device of FIGURES 46 while being provided with bumper rollers 36, may obviously omit the rollers 36 and to provide a single relatively stiff rod of corresponding length that is connected to the arms 33 and that constitutes the bumper element.
  • the rod could obviously extend around the curve of the boat to accommodate the bumper device 37.
  • the bumper devices of this invention are novel in construction, are strong, durable, cheap to manufacture and avoids the use of any springs or other tensioning means for returning the bumpers to their normal outward position.
  • a bumper device for yieldably opposing a boat that is moving in a path toward a piling of a dock, the bumper device being vertically arranged and parallel with the piling, the bumper device embodying a plurality of cushion rollers that are rotatable upon a tubular shaft, a channel member that is fixed to the outer side of a dock piling, torque rods disposed within the channel and with the torque rods extending from the upper and lower ends of the channel and journaled in bearings carried at the upper and lower ends of the channel, the outer ends of the torque rods being bent to an angle outwardly beyond the face of the channel and with the free ends of the rods being bent downwardly to engage into the opposite ends of the tubular shaft of the rollers, the opposite ends of the torque rods being bent at a right angle and clamped upon the base of the channel whereby the rods are caused to create a torque action when the rollers are engaged by a boat, the tubular shaft and the rollers being parallel to the channel member and with the rollers constituting an a
  • the channel member is closed at its upper and lower ends and apertured to receive nylon bearings, the said torque rods extending through the bearings to facilitate a twisting action of the rods, the inner ends of the torque rods being bent at a right angle and engaging through apertures formed in a side wall of the channel member and a clamping plate engaging over both of the inner ends of the torque rods, the extended ends of the torque rods above and below the upper and lower ends of the channel being bent at an acute angle with respect to the axial center of the torque rods and whereby to dispose the group of rollers in a position outwardly beyond the face of the channel, the movement of the rollers inwardly when engaged by a boat being limited by the ability of the torque rods to twist.
  • a bumper device for mounting engagement upon the sides and bow portion of a boat comprising a tubular shaft, the shaft being rotatably supported in parallel relation to the deck of the boat and journaled at its opposite ends in nylon bushings, the tubular shaft being provided with laterally extending arms having bearings at their outer ends for the reception of a shaft, a plurality of cushion rollers mounted upon the last named shaft and with the opposite ends of the shaft being bent laterally to prevent disengagement of the outermost rollers, a torque rod extending through the tubular shaft and with one end of the torque rod extending through a journal member and welded thereto against rotation, the opposite end of the torque rod being bent at a right angle and engaged within a notch formed in the outer end of the tubular shaft and whereby to prevent rotation of the torque rod with respect to the tubular shaft, the tubular shaft adapted to rotate in its bearings under the influence of a pressure exerted against the rollers and with the torque rod due to its connection with the tubular shaft being twisted in its length to impart a torque

Description

Aug. 25, 1964 E. 1.. KULKCK, SR
SHOCK ABSORBING BUMPER FOR BOATS AND DOCKS 2 Sheets-Sheet 1 Filed Oct. 1, 1963 Fiqmzs 2 INVENTOR. EDWARD L- KULICK 5:.
$7. I ATYORUEY Flqune I 1954 E. L. KULICK, SR 3,145,685
SHOCKABSORBING BUMPER FOR BOATS AND DOCKS Filed Oct. 1, 1963 2 Sheets-Sheet 2 FIGURE 5 Mr 7 h h I Flquns 6 I INVENTOR. EDWARD L- KULICK 5R.
United States Patent 3,145,685 SHOCK ABSORBING BUMPER FOR BOATS AND DOQKS Edward L. Kulick, Sr., 4516 SW. 28th Terrace, Fort Lauderdale, Fla. Filed Oct. 1, 1963, Ser. No. 313,029 4 Claims. (Q1. 114-220) This invention relates to shock absorbing bumpers for boats and docks.
The invention contemplates an elongated bumper for both dock piling and also for the marginal portion of a boat and with the bumpers being movable in an arcuate path and to be opposed in its movement by torque rods.
One form of the invention comprises an elongated vertically disposed bumper that is provided with a plurality of cushion rollers and with the bumpers being supported both upper and lower by torque rods that are anchored into a channel member that is fixed to the piling of a dock and whereby the bumpers may swing in a hori- Zontal are when engaged by a boat.
In another form of the invention, an elongated bumper having cushion rollers are supported outwardly from the edge of the boat or the edge of the rub rail and that constitutes a bumper for the sides of the boat and the bow portion thereof when the boat contacts a piling or other obstruction and with the second form embodying a rotatable tube in which is anchored a torsion rod and with the tube carrying laterally extending arms for supporting the bumper.
Novel features of construction and operation of the device will be more clearly apparent during the course of the following description, reference being had to the accompanying drawings wherein has been illustrated the preferred forms of the device and wherein like characters of reference are employed to denote like parts throughout the several figures.
In the drawings:
FIGURE 1 is a side elevation partly in section showing a bumper device mounted upon the piling of a dock,
FIGURE 2 is a plan view thereof,
FIGURE 3 is a fragmentary sectional view taken on line 3-3 of FIGURE 1,
FIGURE 4 is a plan view of a bumper device mounted upon the side and bow portion of a boat,
FIGURE 5 is a sectional view taken on line 55 of FIGURE 4, and
FIGURE 6 is a sectional view taken on line 6- -6 of FIGURE 5.
Referring specifically to the drawings and particularly to FIGURES 1-3, there has been illustrated a dock 5, supported by the piles 6. Fixed to the outer side of the pile 6, by bolts 7, is a channel member 8. The channel member is of elongated form to extend a predetermined distance into the water, indicated at 9. Fixed in opposite ends of the channel are bearing plates 10. The bearing plates 10 are preferably provided with nylon bushings 11, for the rotative reception of torque rods 12. The inner ends of the torque rods 12 are bent at a right angle and project thtrough apertures 13 of one side wall 14 of the channel member 8. A clamping plate 15, bolted to the bottom of the channel member 8 by screws or like fastening devices 16 whereby to engage upon the right angle ends of the torque bars 12 and whereby to maintain the torque bars in a fixed position at their inner ends. The torque bars project outwardly from the bearings 11 and are bent at a right angle, as shown at 17 and then upwardly and downwardly as indicated at 18 for engagement into the opposite ends of a tubular core 19, that constitutes the bearing for a plurality of cushion rollers 20 that are formed of rubber or any other suitable cushioning material. The rollers 20 are held against shifting movement with respect to the ends 18 of the torque rods by collars 21, fixed to the ends 18 by set screws 22. As shown in FIGURE 2, the upper portions 17 of the torque bars are angled outwardly and whereby to provide a suitable swinging movement of the bumper device toward and from the piling. The torque rods 12 are preferably formed of steel or like metal that is capable of twisting when a load is imparted thereto by the rollers 20 when a boat engages the device.
In the use of this form of the invention, the torque rods are bent to the shape indicated and the ends 12a inserted through the apertures 13 and then fixed into the channel by the clamping plate 15. The rods 12 have rotative movement in the bearings 11 and with the clamp 15 and the ends extending through the apertures 13, the torque rods are prevented from shifting up or down with respect to the channel 8. When a boat engages the group of rollers 20, the torque arms are swung inwardly, creating a torsional movement in the rods 12. When preessure is relieved from the rollers 20, the torsion set up in the rods 12 will return the rollers and the angled ends of the torque rods outwardly to the position illustrated in FIG- URE 2 thus, the torque rods constantly urge the rollers and associated mechanism outwardly and will absorb any shock or bumping action by the boat. The plurality of rollers 20 function to dispose the bumper at a sufiicient depth within the water and above the water whereby to function as a bumper in various degrees of tide conditions. The entire assembly as illustrated in FIGURE 1, being first assembled, is then fastened to the outer side of the piling 6 by the bolts or lag screws 17, providing a very novel bumper device that will absorb shock of a boat engaging therewith to a sufficient degree as will be determined by the torque capacity of the rods 12.
Referring now to FIGURES 4-6, there has been provided a mounting bumper for the sides of boats and the bow portion of the boat, such bumper comprising a tubular member 23 that is anchored to the deck 24 of the boat at one end by a bearing block 25. The block 25 is preferably provided with a nylon bearing bushing 26. At the opposite end of the tubular member 23 there is provided a fixed bracket 27 and a nylon bearing 28 is inserted into one end of the tube 23 and bears against the bracket 27. Extending through the tube member 23, is a torsion rod 29, the rod 29 at one end extends through the bushing 28 and through the bracket 27 and is welded or otherwise fixed to the bracket as indicated at 30. The rod 29 at its opposite end is bent at a right angle, as indicated at 31 and extends through an aperture 32 of the tube 23. Since the rod cannot rotate, due to its fixed end 30, rotation of the tube 23 will cause a torque action upon the rod 29 by the end 31 that is anchored to the tube.
Extending from the tube 23 are two or more arms 33. The arms 33 are of goose-neck shape as illustrated in FIGURE 5, for a purpose to be presently described. The arms 33 at their outer ends are provided with bear ings 34 that embrace a rod 35, that extends through the plurality of cushion rollers 36. The cushion rollers 36 may be formed of rubber or other cushion material and the rod 35 may extend through a tubular member, not shown, that passes through all of the rollers and the bearings 34. The outer ends of the rods 35 are bent laterally to prevent disengagement of the outermost rollers 36. It will be observed in FIGURE 4, a shorter bumper device of like construction is illustrated as a whole by the numeral 37 and this device is mounted upon the bow portion of the boat. structurally, the device 37 is substantially identical to that just described. While one bumper device has been illustrated, it will be apparent that a plurality of such bumper devices may be employed upon one or both sides of the boat. The goose-neck arm 33 permits a protective bumper action against piling or other fixed obstructions and permits the rollers and the arms to swing downwardly to a point adjacent the sides of the boat and such swinging action is determined by the torque capacity of the rod 29. This form of the invention provides a protective bumper device that is always biased outwardly by the torque rod 29 so that the boat may engage piling or other obstructions that are not equipped with bumper devices, such as that illustrated in the first form of the invention. While the bumper device 37 has been illustrated as a separate unit, it follows that the rod 35 may be arcuately curved to form a continuation of the bumper around the curve of the boat.
The bumper device of FIGURES 46, while being provided with bumper rollers 36, may obviously omit the rollers 36 and to provide a single relatively stiff rod of corresponding length that is connected to the arms 33 and that constitutes the bumper element. The rod could obviously extend around the curve of the boat to accommodate the bumper device 37.
It will therefore be apparent, that a very novel bumper means has been provided for boats that furnishes adequate protection against damaging the boat when docking against fixed piling. The torque rod 29 at all times biases the arms 33 away from the side of the boat and likewise the roller assembly 36 produces a very desirable protective means for the boat.
The bumper devices of this invention are novel in construction, are strong, durable, cheap to manufacture and avoids the use of any springs or other tensioning means for returning the bumpers to their normal outward position.
It is to be understood that the invention is not limited to the precise construction shown, but that changes are contemplated as readily fall within the spirit of the invention as shall be determined by the scope of the subjoined claims.
I claim:
1. A bumper device for yieldably opposing a boat that is moving in a path toward a piling of a dock, the bumper device being vertically arranged and parallel with the piling, the bumper device embodying a plurality of cushion rollers that are rotatable upon a tubular shaft, a channel member that is fixed to the outer side of a dock piling, torque rods disposed within the channel and with the torque rods extending from the upper and lower ends of the channel and journaled in bearings carried at the upper and lower ends of the channel, the outer ends of the torque rods being bent to an angle outwardly beyond the face of the channel and with the free ends of the rods being bent downwardly to engage into the opposite ends of the tubular shaft of the rollers, the opposite ends of the torque rods being bent at a right angle and clamped upon the base of the channel whereby the rods are caused to create a torque action when the rollers are engaged by a boat, the tubular shaft and the rollers being parallel to the channel member and with the rollers constituting an abutment that is elongated and extends above and below the surface of the water to form a bumper for all degrees of tide levels.
2. The structure according to claim 1 wherein the channel member is closed at its upper and lower ends and apertured to receive nylon bearings, the said torque rods extending through the bearings to facilitate a twisting action of the rods, the inner ends of the torque rods being bent at a right angle and engaging through apertures formed in a side wall of the channel member and a clamping plate engaging over both of the inner ends of the torque rods, the extended ends of the torque rods above and below the upper and lower ends of the channel being bent at an acute angle with respect to the axial center of the torque rods and whereby to dispose the group of rollers in a position outwardly beyond the face of the channel, the movement of the rollers inwardly when engaged by a boat being limited by the ability of the torque rods to twist.
3. A bumper device for mounting engagement upon the sides and bow portion of a boat, comprising a tubular shaft, the shaft being rotatably supported in parallel relation to the deck of the boat and journaled at its opposite ends in nylon bushings, the tubular shaft being provided with laterally extending arms having bearings at their outer ends for the reception of a shaft, a plurality of cushion rollers mounted upon the last named shaft and with the opposite ends of the shaft being bent laterally to prevent disengagement of the outermost rollers, a torque rod extending through the tubular shaft and with one end of the torque rod extending through a journal member and welded thereto against rotation, the opposite end of the torque rod being bent at a right angle and engaged within a notch formed in the outer end of the tubular shaft and whereby to prevent rotation of the torque rod with respect to the tubular shaft, the tubular shaft adapted to rotate in its bearings under the influence of a pressure exerted against the rollers and with the torque rod due to its connection with the tubular shaft being twisted in its length to impart a torque action in the rod and to oppose the rotation of the tubular shaft.
4. The structure according to claim 3 wherein the arms project from a tubular shaft in a direction outwardly beyond the marginal edge of the boat, the said arms being of goose-neck shape and whereby the bumper may be swung toward the side of the boat and with the goose-neck forming a clearance between the arms and the edge of the boat, the bumper device being swung in an arc toward the side of the boat when contacted by an immovable object or possibly another boat and limited in its swinging movement by the ability of the torque rod to twist.
References Cited in the file of this patent UNITED STATES PATENTS 659,078 Lieb Oct. 2, 1900 2,417,849 Walters et a1. Mar. 25, 1947 2,438,432 Edwards Mar. 23, 1948 2,677,936 Hewitt May 11, 1954 FOREIGN PATENTS 879,255 Great Britain Oct. 11, 1961

Claims (1)

1. A BUMPER DEVICE FOR YIELDABLY OPPOSING A BOAT THAT IS MOVING IN A PATH TOWARD A PILING OF A DOCK, THE BUMPER DEVICE BEING VERTICALLY ARRANGED AND PARALLEL WITH THE PILING, THE BUMPER DEVICE EMBODYING A PLURALITY OF CUSHION ROLLERS THAT ARE ROTATABLE UPON A TUBULAR SHAFT, A CHANNEL MEMBER THAT IS FIXED TO THE OUTER SIDE OF A DOCK PILING, TORQUE RODS DISPOSED WITHIN THE CHANNEL AND WITH THE TORQUE RODS EXTENDING FROM THE UPPER AND LOWER ENDS OF THE CHANNEL AND JOURNALED IN BEARINGS CARRIED AT THE UPPER AND LOWER ENDS OF THE CHANNEL, THE OUTER ENDS OF THE TORQUE RODS BEING BENT TO AN ANGLE OUTWARDLY BEYOND THE FACE OF THE CHANNEL AND WITH THE FREE ENDS OF THE RODS
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Cited By (36)

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US3210110A (en) * 1962-02-08 1965-10-05 Fruehauf Corp Torsional bumper
US3406523A (en) * 1966-01-14 1968-10-22 Cambridge Fender & Engineering Buffers or energy absorbers
US3602109A (en) * 1969-08-04 1971-08-31 Daniel C Harrington Highway safety guard-roll barrier
US3852968A (en) * 1973-11-19 1974-12-10 M Holley Torsion-mode breasting dolphin
US3853344A (en) * 1971-11-16 1974-12-10 Nissan Motor Impact absorbing bumper system
US4005672A (en) * 1976-04-15 1977-02-01 Regal Tool & Rubber Co. Inc. Bumper with cushion pivot at bottom
US4388025A (en) * 1980-06-02 1983-06-14 Oreco Iii, Inc. Guard for offshore structure
US4411556A (en) * 1981-04-29 1983-10-25 Teledyne Industries, Inc. Barge bumper construction
US4657440A (en) * 1984-12-21 1987-04-14 Lin Juei Jse Fender
US5037242A (en) * 1990-09-06 1991-08-06 Nill A Joseph Dock fender and shock absorber
US5429063A (en) * 1994-03-23 1995-07-04 Rosenkranz; Walter E. Docking device
FR2751611A1 (en) * 1996-07-25 1998-01-30 Fondacaro Guy Buffer for marine vessel pontoon mooring
FR2755091A1 (en) * 1996-10-30 1998-04-30 Doris Engineering DEVICE FOR CONNECTING TWO MARINE STRUCTURES
WO1999022987A1 (en) 1997-10-31 1999-05-14 Guy Fondacaro Fender for protecting boat hulls against wear
US5911189A (en) * 1998-07-02 1999-06-15 Ryan; John Michael Boat guide for use in guiding a boat into or out of a boat slip
US6112690A (en) * 1998-05-04 2000-09-05 Anderson; Charles Watercraft docking system
US6178909B1 (en) 1999-06-25 2001-01-30 Randy C. Palmer Water craft and dock protector assembly
US6327989B1 (en) 2001-02-26 2001-12-11 Edwin Roy Beach Boat fender bracket for a round piling
US6332421B1 (en) * 2000-06-15 2001-12-25 Larry Leonard Boat fender system and method
US6406221B1 (en) * 1999-03-04 2002-06-18 Forest Michael Collier Bridge pillar debris deflection apparatus
US6520711B2 (en) * 2000-03-24 2003-02-18 Geo Do Industry Co., Ltd. Shock absorption stand for a road
US6575110B1 (en) 2001-11-27 2003-06-10 Douglas C. Nelson Docking slip guide
FR2856653A1 (en) * 2003-06-26 2004-12-31 Eric Fabregues Horizontal protector for stem and hull of boat, which is fixed on docking installation, includes fixed axis between fastenings with rotatable flexible covering
US6904857B1 (en) 2004-02-05 2005-06-14 Gregory Aaron Holden Boat lift securing device
US20060207486A1 (en) * 2005-03-18 2006-09-21 Ihab Ayoub Bumper system
US7237502B1 (en) 2006-01-24 2007-07-03 Boat Guard International, Inc. Boat bumper
US7322307B1 (en) * 2003-04-25 2008-01-29 Perry George J Buoyant bumper system
US20080184924A1 (en) * 2007-02-05 2008-08-07 Boat Guard International, Inc. Rotatable guard mounted about boat mooring
ES2322531A1 (en) * 2007-12-21 2009-06-22 Angel Ricardo Martin Alvarez (Titular Del 25%) Protector for barrier rails
US20100139541A1 (en) * 2008-12-09 2010-06-10 Porthouse J David Boat Docking and Cleaning Device
US20140319743A1 (en) * 2013-04-25 2014-10-30 A-Fax Limited Dock bumper and method of replacement
US20140366793A1 (en) * 2013-06-15 2014-12-18 Ken Mahlich Vertical glide mooring system
US8920084B2 (en) * 2009-12-24 2014-12-30 Looprope, Llc Linkable rope assembly
USD906941S1 (en) * 2019-05-16 2021-01-05 Philip Lenzi Boat dock fender
US20220325491A1 (en) * 2021-04-13 2022-10-13 Joe Miller Boat docking system
US11613861B1 (en) * 2021-11-23 2023-03-28 National Docks, LLC Fixed mounted buoy system

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US2438432A (en) * 1945-10-05 1948-03-23 Samuel H Edwards Torsion spring mounting
US2677936A (en) * 1949-12-05 1954-05-11 George Turton Platts & Company Buffer or like energy-absorbing device
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US2417849A (en) * 1945-09-26 1947-03-25 Frank J Walters Roller fender for pontoons
US2438432A (en) * 1945-10-05 1948-03-23 Samuel H Edwards Torsion spring mounting
US2677936A (en) * 1949-12-05 1954-05-11 George Turton Platts & Company Buffer or like energy-absorbing device
GB879255A (en) * 1956-06-28 1961-10-11 Evan Melfyn Lewis Improvements in or relating to buffer means for absorbing the kinetic energy of moving objects

Cited By (43)

* Cited by examiner, † Cited by third party
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US3210110A (en) * 1962-02-08 1965-10-05 Fruehauf Corp Torsional bumper
US3406523A (en) * 1966-01-14 1968-10-22 Cambridge Fender & Engineering Buffers or energy absorbers
US3602109A (en) * 1969-08-04 1971-08-31 Daniel C Harrington Highway safety guard-roll barrier
US3853344A (en) * 1971-11-16 1974-12-10 Nissan Motor Impact absorbing bumper system
US3852968A (en) * 1973-11-19 1974-12-10 M Holley Torsion-mode breasting dolphin
US4005672A (en) * 1976-04-15 1977-02-01 Regal Tool & Rubber Co. Inc. Bumper with cushion pivot at bottom
US4388025A (en) * 1980-06-02 1983-06-14 Oreco Iii, Inc. Guard for offshore structure
US4411556A (en) * 1981-04-29 1983-10-25 Teledyne Industries, Inc. Barge bumper construction
US4657440A (en) * 1984-12-21 1987-04-14 Lin Juei Jse Fender
US5037242A (en) * 1990-09-06 1991-08-06 Nill A Joseph Dock fender and shock absorber
US5429063A (en) * 1994-03-23 1995-07-04 Rosenkranz; Walter E. Docking device
FR2751611A1 (en) * 1996-07-25 1998-01-30 Fondacaro Guy Buffer for marine vessel pontoon mooring
FR2755091A1 (en) * 1996-10-30 1998-04-30 Doris Engineering DEVICE FOR CONNECTING TWO MARINE STRUCTURES
WO1999022987A1 (en) 1997-10-31 1999-05-14 Guy Fondacaro Fender for protecting boat hulls against wear
US6112690A (en) * 1998-05-04 2000-09-05 Anderson; Charles Watercraft docking system
US5911189A (en) * 1998-07-02 1999-06-15 Ryan; John Michael Boat guide for use in guiding a boat into or out of a boat slip
US6406221B1 (en) * 1999-03-04 2002-06-18 Forest Michael Collier Bridge pillar debris deflection apparatus
US6178909B1 (en) 1999-06-25 2001-01-30 Randy C. Palmer Water craft and dock protector assembly
US6520711B2 (en) * 2000-03-24 2003-02-18 Geo Do Industry Co., Ltd. Shock absorption stand for a road
US6332421B1 (en) * 2000-06-15 2001-12-25 Larry Leonard Boat fender system and method
US6327989B1 (en) 2001-02-26 2001-12-11 Edwin Roy Beach Boat fender bracket for a round piling
US6575110B1 (en) 2001-11-27 2003-06-10 Douglas C. Nelson Docking slip guide
US7322307B1 (en) * 2003-04-25 2008-01-29 Perry George J Buoyant bumper system
FR2856653A1 (en) * 2003-06-26 2004-12-31 Eric Fabregues Horizontal protector for stem and hull of boat, which is fixed on docking installation, includes fixed axis between fastenings with rotatable flexible covering
US6904857B1 (en) 2004-02-05 2005-06-14 Gregory Aaron Holden Boat lift securing device
US20060207486A1 (en) * 2005-03-18 2006-09-21 Ihab Ayoub Bumper system
US7730844B2 (en) * 2005-03-18 2010-06-08 Ihab Ayoub Bumper system
US7237502B1 (en) 2006-01-24 2007-07-03 Boat Guard International, Inc. Boat bumper
US20070169676A1 (en) * 2006-01-24 2007-07-26 Boat Guard International, Inc. Boat bumper
US20080184924A1 (en) * 2007-02-05 2008-08-07 Boat Guard International, Inc. Rotatable guard mounted about boat mooring
US7481174B2 (en) 2007-02-05 2009-01-27 Boat Guard International, Inc. Rotatable guard mounted about boat mooring
WO2009080856A1 (en) * 2007-12-21 2009-07-02 MARTÍN ÁLVAREZ, Juan Carlos Protector for barrier rails
ES2322531A1 (en) * 2007-12-21 2009-06-22 Angel Ricardo Martin Alvarez (Titular Del 25%) Protector for barrier rails
US20100139541A1 (en) * 2008-12-09 2010-06-10 Porthouse J David Boat Docking and Cleaning Device
US8920084B2 (en) * 2009-12-24 2014-12-30 Looprope, Llc Linkable rope assembly
US20140319743A1 (en) * 2013-04-25 2014-10-30 A-Fax Limited Dock bumper and method of replacement
US10294048B2 (en) * 2013-04-25 2019-05-21 A-Fax Limited Dock bumper and method of replacement
US20140366793A1 (en) * 2013-06-15 2014-12-18 Ken Mahlich Vertical glide mooring system
US9061737B2 (en) * 2013-06-15 2015-06-23 Ken Mahlich Vertical glide mooring system
USD906941S1 (en) * 2019-05-16 2021-01-05 Philip Lenzi Boat dock fender
US20220325491A1 (en) * 2021-04-13 2022-10-13 Joe Miller Boat docking system
US11585060B2 (en) * 2021-04-13 2023-02-21 Joe Miller Boat docking system
US11613861B1 (en) * 2021-11-23 2023-03-28 National Docks, LLC Fixed mounted buoy system

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