Endless belt power transmission systems or components – Pulley with belt-receiving groove formed by drive faces on... – Load responsive
Patent
1993-03-25
1994-03-29
Bui, Thuy M.
Endless belt power transmission systems or components
Pulley with belt-receiving groove formed by drive faces on...
Load responsive
F16H 5900
Patent
active
052979997
ABSTRACT:
A transmission includes first and second members which are supported for independent rotation about an axis, and a drive arrangement which effects rotation of the first member about the axis in a rotational direction. A cam is provided on one of the first and second members, and a cam follower is provided on the other thereof, the cam follower being movable between positions disengaged from and engaged with the cam and the cam follower moving along the cam in response to rotation of the first member in the rotational direction relative to the second member when the cam follower is engaged with the cam. An arrangement is provided to resist movement of the cam follower along the cam beyond a predetermined position, and causes a force in the rotational direction to be transferred from the first member to the second member through the cam follower and cam when the cam follower is at the predetermined position on the cam, so that the second member is rotated in the rotational direction synchronously with the first member.
REFERENCES:
patent: 3590649 (1971-07-01), Fischer
patent: 4378221 (1983-03-01), Huff et al.
patent: 4869705 (1989-09-01), Fenton
patent: 5045028 (1991-09-01), Rattunde et al.
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