Apparatus for use in and method of setting the tension in a...

Details Apparatus for use in and method of setting the tension in a... Apparatus for use in and method of setting the tension in a...

2009-06-10

2011-12-13

Shakeri, Hadi (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Machine

C474S116000, C081S484000, C081S121100

Reexamination Certificate

active

08074538

ABSTRACT:
A specially configured wrench is fitted to the fork structure of the rear wheel of a motorcycle to transmit rotational torque to the axle and move the rear wheel axle and sprocket to adjust and accurately set the tension in the drive belt of the motorcycle to a desired level. Further, a method is disclosed for reducing slack, changing, and/or setting a desired tension in the flexible power transmission mechanism of a motorcycle, the mechanism exemplified by a chain or drive belt having upper and lower reaches wrapped about respective of a rotatable forward motor drive sprocket and a rotatable rear wheel drive sprocket and used in cooperation with a fork structure for mounting the rear wheel and a cam-operated structure for repositioning the rear sprocket and associated axle.

REFERENCES:
patent: 974573 (1910-11-01), Kindermans
patent: 3272037 (1966-09-01), Bruehl
patent: 4237744 (1980-12-01), Jolly
patent: 5954466 (1999-09-01), Coffey et al.
patent: 6799491 (2004-10-01), Crowley
patent: 7052422 (2006-05-01), Skidmore et al.

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