Multi-speed gear hub

Details Multi-speed gear hub Multi-speed gear hub

1993-08-31

1995-08-29

Marmor, Charles A.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Gear shiftable axially to disconnect or vary ratio

475279, 475297, 192 486, 192 64, F16H 344, B62M 1116

Patent

active

054455731

ABSTRACT:
For free shifting in a multi-speed gear hub comprising a claw clutch, first and second springs are included for preloading a projecting claw part in mutually opposite directions. Preloading in the second direction is with less force than in the first direction, for abutment of the claw part on a driving member. Against the force of the first spring, the driving member is displaceable from abutment, into all gearshift positions following in the second direction. Gears preselected with stationary hub are engaged upon resumption of gear action.

REFERENCES:
patent: 4973297 (1990-11-01), Bergles
Zweirad-Magazin, Aug. 1992, pp. 6-10.
RadMarkt, Jul. 1992, pp. 46-49.
RadMarkt, Oct. 1992, pp. 36 & 37.
Radfahren EXTRA, Apr. 1992, pp. 8, 9, 12, 14-17.
Torpedo-Super-7 leaflet, Sep. 1992.
"Deutsche Firmen Wollen Aktiv Werden" article.

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