Shifting arrangement for a change gear drive in multispeed hubs

Details Shifting arrangement for a change gear drive in multispeed hubs Shifting arrangement for a change gear drive in multispeed hubs

1995-04-28

1996-09-17

Marmor, Charles A.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475280, 475281, F16H 362

Patent

active

055563546

ABSTRACT:
A shifting arrangement for change gear drives in multispeed hubs for bicycles has a plurality of control planes coaxially disposed relative to one another, within which, by cam control, trip cam rods, which are installed on the surface of the hub axle coaxially thereto, are swivellable around its axis, and which have a first and a second profile, whereby the possibility emerges of engaging and disengaging arbitrarily many couplings disposed one after the other on the hub axle. The shifting arrangement further offers by its design the advantage of controlling pawl couplings, which are disposed on a larger diameter in the change gear drive of the hub, simultaneously and in coordination with the cam control of the sun gears.

REFERENCES:
patent: 3886811 (1975-06-01), Hillyer
patent: 4973297 (1990-11-01), Bergles
patent: 5078664 (1992-01-01), Nagano
patent: 5273500 (1993-12-01), Nagano
patent: 5322487 (1994-06-01), Nagano
patent: 5399128 (1995-03-01), Nurnberger

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