Bicycle hub freewheel assembly

Details Bicycle hub freewheel assembly Bicycle hub freewheel assembly

1992-09-21

1994-07-26

Stormer, Russell D.

Land vehicles: wheels and axles

Wheel

Hub

192 64, B60B 2702

Patent

active

053322940

ABSTRACT:
A freewheel assembly has a specialized mounting sidewall which keys to a mating endwall of a bicycle hub so that the freewheel drives the hub directly through positive interengaging keying structure rather than the threaded shaft connection by which conventional, current freewheels are mounted. The keying structure comprises bosses in the hub endwall and corresponding recesses in the sidewall of the freewheel in the preferred embodiment, with screws through the spindle endwall recesses into the bosses. The freewheel gear sprocket spindle also accommodates a smaller sprocket than is commonly usable, and will accommodate multiple sprockets in parallel on a BMX bicycle, with the sprockets being removable and thus separate pieces from the freewheel spindle.

REFERENCES:
patent: 2213165 (1940-08-01), Kurzina, Jr.
patent: 4567973 (1986-02-01), Butz
patent: 4580670 (1986-08-01), Nagano

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