1
Manfred Lutz: Driving hub for a vehicle, particularly a bicycle, with an infinitely adjustable transmission ratio. Fichtel & Sachs, Brumbaugh Graves Donohue & Raymond, June 7, 1994: US05318486 (219 worldwide citation)

The drive hub for a vehicle, particularly for a bicycle, includes a hub axle 1, a hub shell 9 rotatable relative thereto, and a driver or actuator 13 mounted on the hub axle 1. The driver 13 drives the hub shell 9 over a ball friction gear 17, the ball carrier plates 25 and 27 of which form with the ...


2
Man T Seol: Propulsion and speed change mechanism for lever propelled bicycles. B D Yim, M LuKacher, R Hallenbeck, March 11, 1986: US04574649 (202 worldwide citation)

Propulsion and speed change mechanism for lever propelled bicycles having a pair of propulsion levers 4, each of which is built in one piece with a speed change arm 3 and mounted in each side of the main shaft portion 2 at the bottom of the bicycle frame 1. A rear axle 5 and a hub 6 is mounted on th ...


3
Philip Tomkinson: Racing bicycle having a continuously variable traction drive. Robert F Hess, April 5, 1988: US04735430 (198 worldwide citation)

A low-drag bicycle comprising an elongated, two piece, generally tubular frame of elliptical cross-section extending between the front and rear wheels wherein the cyclist assumes a recumbent position over the frame facing down and powers the cycle by means of a pedal arrangement directly connected t ...


4
Ohannes Meguerditchian: Drive system. Thomas L Cantrell, H Dale Langley Jr, August 17, 1993: US05236211 (188 worldwide citation)

A pivoting drive system for the application of rectilinear drive force, wherein the rectilinear force is converted to a rotational force. The apparatus employs a frame on which are mounted pedals for rectilinear motion. The pedals are linked with a cable linkage and when moved along rectilinear path ...


5
Inaki Aranceta Angoitia: Transmission for bicycles. Helfgott & Karas, February 13, 1990: US04900046 (188 worldwide citation)

A transmission for bicycles, which substitutes the conventional chain transmission, and which comprises a rimcarrier plate connected to the pedal shaft of the bicycle. A plurality of concentric rings or rims engage with respective pinions mounted with freedom of rotation on a tubular transmission sh ...


6
Schievelbusch Ulrich Prof Dipl: Drive hub for a vehicle.. Fichtel & Sachs, June 19, 1991: EP0432742-A1 (187 worldwide citation)

Die Antriebsnabe für ein Fahrzeug, insbesondere ein Fahrrad, umfasst eine Nabenachse (1), eine relativ zur Nabenachse (1) drehbare Nabenhülse (9) und einen drehbar auf der Nabenachse (1) gelagerten Antreiber (13). Der Antreiber (13) treibt die Nabenhülse (9) über ein Reibradgetriebe (17), dessen ers ...


7
Antti M Keskitalo: Human powered drive-mechanism with versatile driving modes. November 25, 1997: US05690346 (185 worldwide citation)

A frame (12) supporting two oscillatably movable members (16R) and (16L) for arms, and two reciprocally movable members (18R) and (18L) for feet. Cables (36) going off in pairs from each of the movable members in opposing directions, redirected by pulleys (34) toward and connected to rotatable membe ...


8
Marn T Seol: Propulsion mechanism for lever propelled bicycles. Alenax, Martin LuKacher, December 23, 1986: US04630839 (184 worldwide citation)

A bicycle having pivoted lever pedal system (1, 2, 45) and lever arm length or gear ratio (speed) change devices (3, 4, 5, 6). Propulsion forces from the lever pedals (1) are transferred via the lever arm length change device (3) through a flexible interconnecting cable and pulley system (7, 8, 9, 1 ...


9
Timber Dick: Pedal driven vehicle. Hume Clement Brinks Willian & Olds, October 14, 1980: US04227712 (183 worldwide citation)

A pedal driven vehicle such as a bicycle which employs oscillating levers instead of crank type pedals, and endless chain to which the two pedal levers are respectively connected, one to each run of the chain by pull and push rods to impart an oscillatory movement to said chain and in which the osci ...


10
Hector G Fasce: Propulsion and transmission mechanism for bicycles, similar vehicles and exercise apparatus. Hector G Fasce, Hector G Fasce, June 16, 1992: US05121654 (180 worldwide citation)

Apparatus of dual partially independent mechanism to propel bicycles or other vehicles, having a bottom bracket shell attached to a frame, a pair of main shafts mounted separately in said bottom bracket shell, a pair of propulsion levers supporting operating pedals, a pair of arcs each arc attached ...



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