Bicycle with selectably engageable single or dual wheel drive

Details Bicycle with selectably engageable single or dual wheel drive Bicycle with selectably engageable single or dual wheel drive

1992-10-05

1994-07-26

Focarino, Margaret A.

Land vehicles

Wheeled

Occupant propelled type

280212, 280259, 180224, B62M 1700

Patent

active

053322444

ABSTRACT:
A drive mechanism is disclosed that is selectably engageable to provide a bicycle that has normally driven and nondriven wheels with either single or dual wheel drive. The drive mechanism includes a power take off means that has: a first power transmission mechanism mounted on said frame; a second power transmission mechanism mounted on the bicycle frame in positive drive power transmitting engagement with a normally non-driven wheel of the bicycle; and a power transfer apparatus connected to receive power from the first power transmission mechanism and transmit it to the second power transmission mechanism. A coupling mechanism is operatively connected with the power take off and is selectively actuatable to place the first power transmission mechanism either in a drive position receiving power from the normally driven wheel or a disengaged non-power transmitting position. An actuator mechanism is mounted on the bicycle to selectively move the coupling mechanism either to the disengaged position or to the drive position to energize the power transfer apparatus and drive the normally non-driven wheel.

REFERENCES:
patent: 559934 (1896-05-01), Cunningham
patent: 4029332 (1977-06-01), Davis
patent: 4397369 (1983-08-01), Read
patent: 4479660 (1984-10-01), Pattison
patent: 4895385 (1990-01-01), Becoat
patent: 5004258 (1991-04-01), Becoat
patent: 5052705 (1991-10-01), Ringle
patent: 5116070 (1992-05-01), Becoat
patent: 5158314 (1992-10-01), Farras Pinos
patent: 5184838 (1993-02-01), Becoat
patent: 5224725 (1993-07-01), Erlston
patent: 5253889 (1993-10-01), Kaminski

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