Bicycle pedal crank hanger

Details Bicycle pedal crank hanger Bicycle pedal crank hanger

1979-08-30

1980-11-25

Footland, Lenard A.

Cutlery

3081795, 308192, F16C 306

Patent

active

042354889

ABSTRACT:
A bicycle pedal crank hanger including a sleeve on the bicycle frame and having ribs affixed to the interior of the sleeve and spaced from the ends thereof with openings in the ribs so that lugs from an adapter can be inserted through the openings and held in the sleeve by the ribs. Cam surfaces are on the axially inward sides of the ribs, and the lugs engage the cam surface for snugly seating the adapter in the sleeve and the adapter has a flange on the exterior for engaging the outer edge of the sleeve. A bearing and the crank axle are supported in the adapter.

REFERENCES:
patent: 623999 (1899-05-01), Dunlop et al.
patent: 1105268 (1914-07-01), Gohlke
patent: 3919898 (1975-11-01), Sugino
patent: 4154327 (1979-05-01), Haeussinger

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