Constant tension device

Details Constant tension device Constant tension device

1987-03-09

1988-12-06

Love, John J.

Motor vehicles

Special wheel base

Having only two wheels

180227, 280284, 474112, 474116, B62M 916

Patent

active

047890428

ABSTRACT:
The application discloses a compensating mechanism for vehicles having two or more wheels with one of those driven wheels being pivotally mounted at the rear end of a swingarm. The compensating mechanism is comprised of a eccentric cam arrangement for the forward end of the swingarm to pivot on and a rocker arm with connecting members to interconnect the swingarm and the eccentric cam. A method of controlling the rotation of the eccentric cam with respect to the swingarm is also disclosed to allow the rear driven wheel to remain a fixed distance away from the engine driver sprocket as the swingarm moves with respect to the driver sprocket.

REFERENCES:
patent: 707923 (1902-08-01), Hedstrom
patent: 4237744 (1980-12-01), Jolly
patent: 4541502 (1985-09-01), Iwai et al.
patent: 4614507 (1986-09-01), Ishino

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