Speed-shifting device

Details Speed-shifting device Speed-shifting device

1989-03-30

1989-09-26

Bui, Thuy M.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

474 70, 474135, F16H 5552

Patent

active

048697060

ABSTRACT:
In a speed-shifting device of a variable speed pulley type, a transmission ratio is changed by an inversely synchronized operation between a movable sideplate of the driving and driven pulleys. The tension is given to a belt by a bias mechanism biasing the slack part. In addition, the bias mechanism can be arranged to be movable for decreasing the tension of the belt to serve as a clutch mechanism interrupting the power transmission between the pulleys.

REFERENCES:
patent: 3762229 (1973-10-01), Johnson
patent: 4327544 (1982-05-01), McDuffie et al.
patent: 4400930 (1983-08-01), Huhman et al.

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