GB610936A - Improvements in or relating to driving mechanism for velocipedes - Google Patents

Improvements in or relating to driving mechanism for velocipedes

Info

Publication number
GB610936A
GB610936A GB1121246A GB1121246A GB610936A GB 610936 A GB610936 A GB 610936A GB 1121246 A GB1121246 A GB 1121246A GB 1121246 A GB1121246 A GB 1121246A GB 610936 A GB610936 A GB 610936A
Authority
GB
United Kingdom
Prior art keywords
tension member
treadles
slide
arm
treadle
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.)
Expired
Application number
GB1121246A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB1121246A priority Critical patent/GB610936A/en
Publication of GB610936A publication Critical patent/GB610936A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B62M1/24—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
    • B62M1/28—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers characterised by the use of flexible drive members, e.g. chains

Abstract

610,936. Treadle-propelled cycles. KRUSE, M. April 11, 1946, No. 11212. [Classes 136 (i) and 136 (ii)] In cycle-driving mechanism comprising a tension member passing around two spaced coaxial driving pulleys mounted on a driven wheel and connected thereto by one-way clutches, a pair of treadles connected one to each end of the tension member to move it alternately in opposite directions, and a guide pulley around which passes a bight formed in the tension member between the two pulleys, the tension member 27 is adjustably connected to the treadles 16, so that the distances between the points of connection of the tension member to the treadles may be simultaneously varied in the same direction. A twist grip 31 is mounted on a handle-bar 32 and controls the movement of slide members 21 to which the tension member 27 is attached. Two cables 34 extend from the twist grip 31 into the interior of the bottom bracket 15 on which the treadles 16 are mounted and into a hollow arm 18 of one of the treadles. One cable 34 is directly connected to the slide member 21 on one arm 18, and the other passes over a pulley 41 at the outer end of the other arm 18 and is then connected to the slide member. A further cable 42 extends from the second slide through the bottom bracket 15 over a pulley 41 at the end of the first arm and is then connected to the first slide. Tension springs 44 are arranged in the cables 34. The tension member 27 is connected at its ends to rocking members 61 pivotally mounted on the slide members 21. When the angle between the treadle and the tension member is small the rocking members are urged against the sides of the treadles and prevent the slide member from sliding on the treadle due to the load on the tension member. A stand is provided comprising a pair of downwardly diverging struts 74 passing through guides 77 and connected at their upper ends to an arm 76 angularly movable in a vertical plane so that downward movement of the arm moves the lower ends of the struts downwardly. The tension member 27 passes over drums 22 and drives the rear wheel through one-way clutches. Means are provided to disengage the one-way clutches to permit backward rotation of the driven wheel axle.
GB1121246A 1946-04-11 1946-04-11 Improvements in or relating to driving mechanism for velocipedes Expired GB610936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1121246A GB610936A (en) 1946-04-11 1946-04-11 Improvements in or relating to driving mechanism for velocipedes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1121246A GB610936A (en) 1946-04-11 1946-04-11 Improvements in or relating to driving mechanism for velocipedes

Publications (1)

Publication Number Publication Date
GB610936A true GB610936A (en) 1948-10-22

Family

ID=9982070

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1121246A Expired GB610936A (en) 1946-04-11 1946-04-11 Improvements in or relating to driving mechanism for velocipedes

Country Status (1)

Country Link
GB (1) GB610936A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0088448A2 (en) * 1982-03-10 1983-09-14 Yim, Byung D. Propulsion and speed change mechanism for lever propelled bicycles
GB2120185A (en) * 1982-05-07 1983-11-30 Davidovitch J Transmission for human powered vehicles
GB2127111A (en) * 1982-07-09 1984-04-04 Kimihiro Tsuchie Cycle driving mechanism
US5163886A (en) * 1990-08-01 1992-11-17 Augustine Rheem Exercising and rehabilitation apparatus
US6371891B1 (en) 1998-12-09 2002-04-16 Danny E. Speas Adjustable pedal drive mechanism
FR2878815A1 (en) * 2004-12-08 2006-06-09 Raymond Roger Pierre Laurent Belt mechanism for e.g. bicycle, has levers receiving belt driving force applied by user, and having link point for connection to belts driven on pulleys joined to free wheel, where belts are maintained at constant tension by return spring

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0088448A2 (en) * 1982-03-10 1983-09-14 Yim, Byung D. Propulsion and speed change mechanism for lever propelled bicycles
EP0088448A3 (en) * 1982-03-10 1985-05-15 Yim, Byung D. Propulsion and speed change mechanism for lever propelled bicycles
US4574649A (en) * 1982-03-10 1986-03-11 B. D. Yim Propulsion and speed change mechanism for lever propelled bicycles
GB2120185A (en) * 1982-05-07 1983-11-30 Davidovitch J Transmission for human powered vehicles
GB2127111A (en) * 1982-07-09 1984-04-04 Kimihiro Tsuchie Cycle driving mechanism
US5163886A (en) * 1990-08-01 1992-11-17 Augustine Rheem Exercising and rehabilitation apparatus
US6371891B1 (en) 1998-12-09 2002-04-16 Danny E. Speas Adjustable pedal drive mechanism
US6699161B1 (en) 1998-12-09 2004-03-02 Danny E. Speas Adjustable pedal drive mechanism
FR2878815A1 (en) * 2004-12-08 2006-06-09 Raymond Roger Pierre Laurent Belt mechanism for e.g. bicycle, has levers receiving belt driving force applied by user, and having link point for connection to belts driven on pulleys joined to free wheel, where belts are maintained at constant tension by return spring

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