B - Operations – Transporting – 62 – M
Patent
B - Operations, Transporting
62
M
74/29
B62M 17/00 (2006.01) B62J 6/06 (2006.01) B62M 1/08 (2006.01) B62M 23/02 (2010.01)
Patent
CA 1217068
ABSTRACT A mechanical and electric power supply and transmission system for a bicycle of the type having a frame and a crank housing means (1) for a crank-and-pedal means (9) and from said crank housing (1) a projecting bottom fork (30) carrying the drive wheel (3) over the drive hub (2) at the outer end thereof, and in which the mechanical power transmission system comprises a drive line shaft (13) which at both ends is connected to angle gears (11, 13 and 14, 15) at the crank housing (1) and the drive hub (2) and in which the drive line shaft (13) is enclosed in one (30b) of the bottom fork tubes, and the electric power supply and transmission system is directly connected to the mechanical power transmission system at the drive wheel hub (2) thereof. Preferably the crank housing (1) is formed with a several stage gear (10). The drive wheel hub (2) is formed as a free wheel hub which when treadling the bicycle forwardly provides a power trans- mission between the drive line shaft (13) and the outer sleeve (2) of the hub, while when treadling the crank rearwardly the bicycle is broken. The means for driving and braking the bicycle is a threaded power receiving gear (15) which co-operates with a threaded double conical drive sleeve, which upon movement in one direction connects the power receiving gear to the outer sleeve (22) of the hub, while when moved in the opposite direction connects the outer sleeve (22) of the hub to a stationary mounted brake cone means (28). In a preferred embodiment of the invention the electric power supply and transmission system is mounted in the second one (30a) of the two bottom fork tubes, and said electrical transmission system may include a centrifugal clutch for connecting an electric generator (33) at a driving speed exceeding a predetermined value, and the said electric transmission means include a rectifier (51) and an accumulator (52) from which the electric output (53) is received. (For publication figure 1 is recommended)
451768
Enocson Ake
Ridout & Maybee Llp
LandOfFree
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