Grease injector for bicycle crank bearings

Details Grease injector for bicycle crank bearings Grease injector for bicycle crank bearings

1987-12-08

1989-11-28

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

745941, 1841051, 384462, 384466, 384504, 384517, G05G 114, F01M 1104, F16C 921, F16C 3366

Patent

active

048833681

ABSTRACT:
This invention relates to a device by which the pedal crank bearings of a bicycle may have the grease replaced without disassembly of the mechanism. The invention is to be installed into existing bicycle crank bearing assemblies.

REFERENCES:
patent: 1856959 (1932-05-01), Kopsky
patent: 4406504 (1983-09-01), Coenen et al.
patent: 4606655 (1986-08-01), Hofmann
patent: 4738551 (1988-04-01), Chi

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