US20110118091A1 - Improvements in the drive system for bicycles - Google Patents

Improvements in the drive system for bicycles Download PDF

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Publication number
US20110118091A1
US20110118091A1 US12/674,517 US67451708A US2011118091A1 US 20110118091 A1 US20110118091 A1 US 20110118091A1 US 67451708 A US67451708 A US 67451708A US 2011118091 A1 US2011118091 A1 US 2011118091A1
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Prior art keywords
drive system
bicycles
bicycle
connecting rods
user
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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
Application number
US12/674,517
Inventor
Rufino Hernaiz Goicoechea
Jose Martines Martinez
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BICICLETAS GOI-CONTINI SL
BICICLETAS GOI CONTINI SL
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BICICLETAS GOI CONTINI SL
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Assigned to BICICLETAS GOI-CONTINI, S.L. reassignment BICICLETAS GOI-CONTINI, S.L. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HERNAIZ GOICOECHEA, RUFINO, MARTINEZ MARTINEZ, JOSE
Publication of US20110118091A1 publication Critical patent/US20110118091A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/36—Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K3/00—Bicycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M3/00—Construction of cranks operated by hand or foot
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
    • A63B2022/0635—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers specially adapted for a particular use
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2208/00—Characteristics or parameters related to the user or player
    • A63B2208/02—Characteristics or parameters related to the user or player posture
    • A63B2208/0242—Lying down
    • A63B2208/0257—Lying down prone
    • A63B2208/0261—Lying down prone using trunk supports resisting forward motion of user

Definitions

  • the object of the present invention relates to the structural configuration of bicycles and specifically to the type in which the pedal axle is arranged in a position behind the vertical of the seat, proposing a drive system to be applied in this type of bicycle with features that allow performing an exercise that is equivalent to that which is developed when running.
  • Training sessions in a gym consist of using different types of apparatuses which allow exercising different groups of muscles and joints to reinforce the areas of the body that are involved in physical effort for the purpose of preventing the occurrence of certain injuries.
  • Bicycles have recently been developed with a drive system characterized by the pedal axle being arranged in a position that is shifted behind the vertical of the seat. These types of bicycles have been designed for the purpose of reaching maximum user performance due to the posture adopted on the bicycle. However, the embodiments of bicycles of this type do not provide exercise conditions equivalent to those of the activity when running.
  • the proposed drive system is of the type which places the pedal axle in a position behind the vertical of the seat of the bicycle, this position of the pedal axle being determined according to the invention at a certain distance from the vertical of the seat, furthermore incorporating the pedals by means of connecting rods of greater length than conventional ones, such that it achieves an arrangement with which the user of the bicycle adopts a position which allows exercising the muscles and joints in the same conditions as when running.
  • the proposed drive system has been developed from a comparative test between the efforts affecting a user who runs and the efforts affecting a user who exercises on a bicycle provided with said proposed drive system.
  • the pedal axle is arranged at a distance between 185-300 mm behind the vertical of the seat of the bicycle, arranging the pedals on connecting rods of a length between 250 and 360 mm, which is essentially greater than that of the connecting rods of pedals in conventional bicycles.
  • the user of the bicycle adopts a posture so that the angle formed by the knees in maximum bending is 44°, whereas in maximum extension the angle at the knees is 155°, while the angle of maximum bending at the hip is 62° and in the position of maximum extension said angle is 145°.
  • FIG. 1 shows a schematic depiction of the position of a user on a conventional stationary bicycle, in the situation of maximum extension of the body.
  • FIG. 2 is a schematic depiction of the position of the user on the same bicycle as above, in the arrangement of maximum bending of the body.
  • FIG. 3 is a side view of a stationary bicycle provided with the drive system of the invention.
  • FIG. 4 is a plan view of the bicycle of the previous figure.
  • FIG. 5 is a schematic depiction of the position of a user on the bicycle with the drive system of the invention, in the situation of maximum extension of the body.
  • FIG. 6 is a representation of the position of the user on the same bicycle of the previous figure, in the situation of maximum bending of the body.
  • the present invention proposes a drive system for bicycles, with which the user performs a body work that is equivalent to the work which is developed when running.
  • the proposed drive system can be applied both in stationary bicycles and in conventional bicycles with wheels, provided with a handlebar ( 1 ) and a seat ( 2 ) that can have different configurations and they can be height-adjustable in order to be adapted to different users ( 3 ), the functional arrangement including a drive system operated by pedals ( 4 ).
  • the system of the invention is particularly provided for bicycles the pedal axle ( 5 ) of which is arranged in a position behind the vertical of the seat ( 2 ) of the corresponding bicycle.
  • the pedal axle ( 5 ) of the operating system is located in front of the vertical of the seat ( 2 ), at a distance between 240 and 260 mm from said vertical, whereas the pedals ( 4 ) are incorporated with respect to the pedal axle ( 5 ) by means of connecting rods ( 6 ) of about 200 mm in length.
  • This configuration of conventional bicycles means that the user ( 3 ) adopts on such bicycles a posture such that, according to the depiction of FIG. 1 , said user acquires an angle ( ⁇ ) of 135° at the knee of the extended leg in the position of maximum extension of the body, whereas the angle ( ⁇ )between said extended leg and the body of the user ( 3 ) is 104°.
  • the angle ( ⁇ ′) that is acquired at the knee of the bent leg is 84°, whereas the angle ( ⁇ ′) between said bent leg and the body of the user ( 3 ) is 65°.
  • the pedal axle ( 5 ) is arranged at a distance between 185 and 300 mm behind the vertical of the seat ( 2 ) of the bicycle, in accordance with the arrangement depicted in FIG. 3 , while the pedals ( 4 ) are incorporated in the assembly with respect to the pedal axle ( 5 ) by means of connecting rods ( 7 ) with an essentially greater length than that of the connecting rods ( 6 ) of conventional bicycles.
  • the connecting rods ( 7 ) by means of which the assembly pedals ( 4 ) is established with the system of the invention are particularly of a length between 250 and 360 mm, being able to be arranged in an assembly coupling by themselves with respect to the pedal axle ( 5 ) of the drive system, or by means of a securing arrangement on conventional connecting rods ( 6 ), as a supplement thereof, as depicted in FIG. 4 .
  • This arrangement of the drive system in accordance with the invention means that the user ( 3 ) of the bicycle will adopt a posture such that, as shown in FIG. 5 , when pedaling in the position of maximum extension, the extended leg forms an angle ( ⁇ ′′) of 155° at the knee, whereas an angle ( ⁇ ′′) of 145° is formed between said extended leg and the body of the user ( 3 ).
  • the bent leg in the position of maximum bending, the bent leg forms an angle ( ⁇ ′′′) of 44° at the knee, whereas an angle ( ⁇ ′′′) of 62° is formed between said bent leg and the body of the user ( 3 ).

Abstract

The invention relates to improvements in the drive system of bicycles, according to which the pedal axle (5) of the bicycle of application is located at a distance between 185-300 mm behind the vertical of the seat (2), whereas the pedals (4) are incorporated on connecting rods (7) of 250-360 mm in length.

Description

    FIELD OF THE ART
  • The object of the present invention relates to the structural configuration of bicycles and specifically to the type in which the pedal axle is arranged in a position behind the vertical of the seat, proposing a drive system to be applied in this type of bicycle with features that allow performing an exercise that is equivalent to that which is developed when running.
    • STATE OF THE ART
  • Practicing physical exercise on a sport level entails risks of experiencing bodily injuries due to repetitive and intense straining that the muscles and joints of the body must withstand.
  • In order to try to minimize as much as possible the occurrence of injuries due to excessive work according to the type of exercise that is practiced and to maximize the degree of performance, generally training sessions in a gym by means of different apparatuses are usually combined with specific training sessions for the corresponding discipline.
  • Training sessions in a gym consist of using different types of apparatuses which allow exercising different groups of muscles and joints to reinforce the areas of the body that are involved in physical effort for the purpose of preventing the occurrence of certain injuries.
  • One of the sports in which injuries usually occur is running, an activity that is considered to be a “high impact” sport. In this discipline, the most common injuries are knee pain (commonly referred to as “runner's knee”), shin pains, pulled muscles, twisted ankles, iliotibial band syndrome, the inflammation of the Achilles tendon or stress fractures.
  • Athletes who practice this discipline generally have training sessions in a gym on a treadmill, however runners with the “runner's knee” injury, which is caused by a misalignment of the knee joint which does not allow absorbing the impact produced in the stepping when running, have difficulties in this type of training, so they usually combine it with the use of a bicycle to achieve better performance. However, exercising on conventional bicycles does not activate the same groups of muscles as those that are activated when running, so training for this effect in such conditions is deficient.
  • Bicycles have recently been developed with a drive system characterized by the pedal axle being arranged in a position that is shifted behind the vertical of the seat. These types of bicycles have been designed for the purpose of reaching maximum user performance due to the posture adopted on the bicycle. However, the embodiments of bicycles of this type do not provide exercise conditions equivalent to those of the activity when running.
    • OBJECT OF THE INVENTION
  • According to the invention a drive system for bicycles is proposed, the embodiment of which is provided with constructive features making this system particularly advantageous compared to the conventional solutions of the same application.
  • The proposed drive system is of the type which places the pedal axle in a position behind the vertical of the seat of the bicycle, this position of the pedal axle being determined according to the invention at a certain distance from the vertical of the seat, furthermore incorporating the pedals by means of connecting rods of greater length than conventional ones, such that it achieves an arrangement with which the user of the bicycle adopts a position which allows exercising the muscles and joints in the same conditions as when running.
  • The proposed drive system has been developed from a comparative test between the efforts affecting a user who runs and the efforts affecting a user who exercises on a bicycle provided with said proposed drive system.
  • According to the system of the invention, the pedal axle is arranged at a distance between 185-300 mm behind the vertical of the seat of the bicycle, arranging the pedals on connecting rods of a length between 250 and 360 mm, which is essentially greater than that of the connecting rods of pedals in conventional bicycles.
  • With this arrangement of the system of the invention, the user of the bicycle adopts a posture so that the angle formed by the knees in maximum bending is 44°, whereas in maximum extension the angle at the knees is 155°, while the angle of maximum bending at the hip is 62° and in the position of maximum extension said angle is 145°.
  • It is thus achieved that when using the bicycle, the same muscles and joints as those exercised when running are exercised, therefore solving the training drawbacks for people who have problems with injuries affecting the impact of stepping on the surface of the ground.
    • DESCRIPTION OF THE DRAWINGS
  • FIG. 1 shows a schematic depiction of the position of a user on a conventional stationary bicycle, in the situation of maximum extension of the body.
  • FIG. 2 is a schematic depiction of the position of the user on the same bicycle as above, in the arrangement of maximum bending of the body.
  • FIG. 3 is a side view of a stationary bicycle provided with the drive system of the invention.
  • FIG. 4 is a plan view of the bicycle of the previous figure.
  • FIG. 5 is a schematic depiction of the position of a user on the bicycle with the drive system of the invention, in the situation of maximum extension of the body.
  • FIG. 6 is a representation of the position of the user on the same bicycle of the previous figure, in the situation of maximum bending of the body.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • The present invention proposes a drive system for bicycles, with which the user performs a body work that is equivalent to the work which is developed when running.
  • The proposed drive system can be applied both in stationary bicycles and in conventional bicycles with wheels, provided with a handlebar (1) and a seat (2) that can have different configurations and they can be height-adjustable in order to be adapted to different users (3), the functional arrangement including a drive system operated by pedals (4).
  • The system of the invention is particularly provided for bicycles the pedal axle (5) of which is arranged in a position behind the vertical of the seat (2) of the corresponding bicycle.
  • In a bicycle with a conventional arrangement, such as the one shown in FIGS. 1 and 2, the pedal axle (5) of the operating system is located in front of the vertical of the seat (2), at a distance between 240 and 260 mm from said vertical, whereas the pedals (4) are incorporated with respect to the pedal axle (5) by means of connecting rods (6) of about 200 mm in length.
  • This configuration of conventional bicycles means that the user (3) adopts on such bicycles a posture such that, according to the depiction of FIG. 1, said user acquires an angle (α) of 135° at the knee of the extended leg in the position of maximum extension of the body, whereas the angle (β)between said extended leg and the body of the user (3) is 104°.
  • In the same manner, in the situation of maximum bending, such as the one depicted in FIG. 2, the angle (α′) that is acquired at the knee of the bent leg is 84°, whereas the angle (β′) between said bent leg and the body of the user (3) is 65°.
  • According to the system of the invention, the pedal axle (5) is arranged at a distance between 185 and 300 mm behind the vertical of the seat (2) of the bicycle, in accordance with the arrangement depicted in FIG. 3, while the pedals (4) are incorporated in the assembly with respect to the pedal axle (5) by means of connecting rods (7) with an essentially greater length than that of the connecting rods (6) of conventional bicycles.
  • The connecting rods (7) by means of which the assembly pedals (4) is established with the system of the invention are particularly of a length between 250 and 360 mm, being able to be arranged in an assembly coupling by themselves with respect to the pedal axle (5) of the drive system, or by means of a securing arrangement on conventional connecting rods (6), as a supplement thereof, as depicted in FIG. 4.
  • This arrangement of the drive system in accordance with the invention means that the user (3) of the bicycle will adopt a posture such that, as shown in FIG. 5, when pedaling in the position of maximum extension, the extended leg forms an angle (α″) of 155° at the knee, whereas an angle (β″) of 145° is formed between said extended leg and the body of the user (3).
  • In addition, as shown in FIG. 6, in the position of maximum bending, the bent leg forms an angle (α″′) of 44° at the knee, whereas an angle (β″′) of 62° is formed between said bent leg and the body of the user (3).

Claims (4)

1. Improvements in the drive system of bicycles, of the type in which the pedal axle is arranged in a position behind the vertical of the seat of the bicycle, characterized in that the pedal axle (5) is located at a distance between 185-300 mm behind the vertical of the seat (2) and in that the pedals (4) are incorporated in connecting rods (7) of a length between 250 and 360 mm.
2. Improvements in the drive system of bicycles according to claim 1, characterized in that an allowance of the knees of the user (3) when pedaling of between a maximum angle (α″) of 155° and a minimum angle (α″′) of 44° is determined between the position of the pedal axle (5) and the length of the connecting rods (7).
3. Improvements in the drive system of bicycles according to claim 1, characterized in that an allowance of the hip of the user (3) when pedaling of between a maximum angle (β″) of 145° and a minimum angle (β″′) of 62° is determined between the position of the pedal axle (5) and the length of the connecting rods (7).
4. Improvements in the drive system of bicycles according to claim 1, characterized in that the connecting rods (7) for the assembly of the pedals (4) are secured on conventional connecting rods (6) of a smaller length by means of which the assembly to the pedal axle (5) is determined.
US12/674,517 2007-08-22 2008-08-21 Improvements in the drive system for bicycles Abandoned US20110118091A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ESP200702319 2007-08-22
ES200702319A ES2340346B1 (en) 2007-08-22 2007-08-22 PERFECTION IN THE MOTORCYCLE SYSTEM OF BICYCLES.
PCT/ES2008/000568 WO2009024632A1 (en) 2007-08-22 2008-08-21 Improvements in the drive system for bicycles

Publications (1)

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US20110118091A1 true US20110118091A1 (en) 2011-05-19

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US12/674,517 Abandoned US20110118091A1 (en) 2007-08-22 2008-08-21 Improvements in the drive system for bicycles

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US (1) US20110118091A1 (en)
EP (1) EP2189362B1 (en)
CN (1) CN101821152A (en)
CA (1) CA2696866A1 (en)
ES (2) ES2340346B1 (en)
WO (1) WO2009024632A1 (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248448A (en) * 1979-06-27 1981-02-03 Igor Dmitrowsky Bicycle enabling a substantially full length prone riding position
US4647060A (en) * 1984-11-13 1987-03-03 Philip Tomkinson Bicycle design
US4790528A (en) * 1986-07-29 1988-12-13 Combi Co., Ltd. Training device for rehabilitation
US4811945A (en) * 1980-05-06 1989-03-14 Invacare Corp. Unobstructed adjustable V-frame exercycle
US4850245A (en) * 1987-06-19 1989-07-25 Feamster Nicholas G Bicycle crank and pedal structure
US5403027A (en) * 1993-08-27 1995-04-04 Hwang; Chul Bicycle with folding frame
US6050584A (en) * 1998-04-07 2000-04-18 Sibson; Brian Bicycle placing rider in substantially semi-prone riding position
US6086079A (en) * 1996-09-05 2000-07-11 Farina; Ernesto Bicycle and the like with chain transmission, multiple gears and pedal unit placed on the outside of the rear wheel
US6595535B2 (en) * 1998-07-22 2003-07-22 E.R.L. Invenzioni S.R.L. Bicycle or the like
US20040051274A1 (en) * 2002-09-12 2004-03-18 Ivano Urban Cantilevered pedal propulsioned bicycle
US20060058163A1 (en) * 2004-09-10 2006-03-16 Masaaki Matsumoto Training apparatus
US20060138742A1 (en) * 2003-07-22 2006-06-29 Jose Martinez Bicycle propulsion system and product thus obtained
US7264577B2 (en) * 2005-06-07 2007-09-04 Hsien Mo Lin Load applying device for exerciser
US7491154B2 (en) * 2005-05-30 2009-02-17 Honda Motor Co., Ltd. Bicycle simulation system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH236146A (en) * 1944-01-31 1945-01-15 Baettig Oskar Bicycle.
DE2610644A1 (en) * 1976-03-13 1977-09-15 Manfred Dipl Ing Schmidt Bicycle with treadle drive - has treadle turning rear wheel through planet gears and frame dismantling into three parts
DE8614882U1 (en) * 1986-06-03 1986-10-09 Hipp, Jürgen, 7920 Heidenheim Belly recumbent bike
US5566589A (en) * 1995-08-28 1996-10-22 Buck; Vernon E. Bicycle crank arm extender
CN1126683C (en) * 1996-09-05 2003-11-05 埃莫斯托·法里纳 Bicycle and the like with chain transmission, multiple gears and pedal unit placed on the outside of the rear wheel

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248448A (en) * 1979-06-27 1981-02-03 Igor Dmitrowsky Bicycle enabling a substantially full length prone riding position
US4811945A (en) * 1980-05-06 1989-03-14 Invacare Corp. Unobstructed adjustable V-frame exercycle
US4647060A (en) * 1984-11-13 1987-03-03 Philip Tomkinson Bicycle design
US4790528A (en) * 1986-07-29 1988-12-13 Combi Co., Ltd. Training device for rehabilitation
US4850245A (en) * 1987-06-19 1989-07-25 Feamster Nicholas G Bicycle crank and pedal structure
US5403027A (en) * 1993-08-27 1995-04-04 Hwang; Chul Bicycle with folding frame
US6086079A (en) * 1996-09-05 2000-07-11 Farina; Ernesto Bicycle and the like with chain transmission, multiple gears and pedal unit placed on the outside of the rear wheel
US6050584A (en) * 1998-04-07 2000-04-18 Sibson; Brian Bicycle placing rider in substantially semi-prone riding position
US6595535B2 (en) * 1998-07-22 2003-07-22 E.R.L. Invenzioni S.R.L. Bicycle or the like
US20040051274A1 (en) * 2002-09-12 2004-03-18 Ivano Urban Cantilevered pedal propulsioned bicycle
US20060138742A1 (en) * 2003-07-22 2006-06-29 Jose Martinez Bicycle propulsion system and product thus obtained
US20060058163A1 (en) * 2004-09-10 2006-03-16 Masaaki Matsumoto Training apparatus
US7491154B2 (en) * 2005-05-30 2009-02-17 Honda Motor Co., Ltd. Bicycle simulation system
US7264577B2 (en) * 2005-06-07 2007-09-04 Hsien Mo Lin Load applying device for exerciser

Also Published As

Publication number Publication date
CN101821152A (en) 2010-09-01
EP2189362A4 (en) 2012-08-08
CA2696866A1 (en) 2009-02-26
ES2340346A1 (en) 2010-06-01
WO2009024632A1 (en) 2009-02-26
EP2189362B1 (en) 2014-08-20
EP2189362A1 (en) 2010-05-26
ES2523924T3 (en) 2014-12-02
ES2340346B1 (en) 2011-04-05

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Owner name: BICICLETAS GOI-CONTINI, S.L., SPAIN

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Effective date: 20100224

STCB Information on status: application discontinuation

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