Freewheel mechanism for bicycles

Details Freewheel mechanism for bicycles Freewheel mechanism for bicycles

1987-12-17

1989-06-20

Moore, Richard E.

Machine element or mechanism

Elements

Cranks and pedals

745942, 280259, 280261, 192 6R, 188 26, G05G 114

Patent

active

048400840

ABSTRACT:
A freewheel mechanism for bicycles includes a side plate which is easily removed, allowing a sprocket to be quickly replaced without removing the body of the freewheel mechanism from the hub of the bicycle. Since they are not needed in racing, and to facilitate sprocket changes, ball bearings are not used. In the usual manner, a pawl means, and a pawl spring means are disposed between the sprocket and the freewheel body, allowing the sprocket to turn one way only in relation to the freewheel body.

REFERENCES:
patent: 905343 (1908-12-01), Morrow
patent: 2043486 (1936-06-01), Muller
patent: 2473177 (1949-06-01), Sherwood
patent: 2531750 (1950-11-01), Sutton
patent: 3386544 (1968-06-01), Matsuda
patent: 3540309 (1970-11-01), Shimano et al.
patent: 4183262 (1980-01-01), Segawa
patent: 4226310 (1980-10-01), Ozaki
patent: 4355706 (1982-10-01), Pan
patent: 4650049 (1987-03-01), Stephens
patent: 4697469 (1987-10-01), Takimiya et al.

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