Manually operable multi-speed bicycle transmission

Details Manually operable multi-speed bicycle transmission Manually operable multi-speed bicycle transmission

1981-02-13

1983-03-15

Bonck, Rodney H.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

192 6A, F16H 344

Patent

active

043763944

ABSTRACT:
A multi-speed bicycle transmission located at the drive pedal hub and manually actuatable shifting assembly therefor. The shifting assembly further includes a slidable collar mounted on and rotatable in conjunction with the drive pedal shaft within the drive pedal hub having camming means thereon engageable by pivotably displaceable shift pin means extending into the pedal hub to effect selective manually induced longitudinal displacement of said collar on the drive pedal shaft and an accompanying shifting of the gears in response thereto.

REFERENCES:
patent: 3766805 (1973-10-01), Shea et al.
patent: 3842691 (1974-10-01), Shea
patent: 4059028 (1977-11-01), Schulz et al.
patent: 4147244 (1979-04-01), Segawa et al.

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