Crank bearing device for pedal vehicles

Details Crank bearing device for pedal vehicles Crank bearing device for pedal vehicles

1976-10-15

1978-05-16

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Occupant propelled type

29525, 308192, B62M 300, F16C 1302

Patent

active

040895408

ABSTRACT:
A crank bearing device for pedal vehicles comprises a cylindrical crank bearing shell, which is connected to the vehicle frame. A crank passes through this shell with a ball bearing bushing at each end of the crank arm. Between each of such a bushing and a cone, threaded onto the crank, are placed a number of ball bearings. The invention provides that these bushings have a cylindrical outer surface cooperating with a cylindrical inner surface of the shell and are provided with a number of low, protruding ribs. Through driving the bushing into the shell the ribs are forced into the material of the shell, thereby interconnecting the bushing and the shell with each other.

REFERENCES:
patent: 616205 (1898-12-01), Shamp
patent: 2779641 (1957-01-01), Sutowski
patent: 3245273 (1966-04-01), Loper et al.
patent: 3919898 (1975-11-01), Sugino

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