192 clutches and power-stop control – Clutches – Torque responsive
Patent
1989-10-19
1991-07-30
Lorence, Richard
192 clutches and power-stop control
Clutches
Torque responsive
464 36, 464 38, F16D 708, F16D 43206
Patent
active
050353110
ABSTRACT:
An overload clutch has a pair of clutch members relatively rotatable about an axis and each formed with an axially forwardly directed track and with a plurality of angularly spaced seats opening into the track, these seats being alignable to form axially forwardly open pockets in at least one relative angular position of the members. A bearing supports the members on each other for relative rotation about the clutch axis. Respective rollers engageable in the pockets are angularly displaceable in the tracks so that when they are in the pockets the two members are rotationally coupled such that one can drive the other and when the rollers are in the track the members are relatively rotatable. A ring member operatively backwardly engaging the rollers is pressed by a spring backward relative to the clutch members against the rollers to urge the rollers into the pockets, the flank angle of the seats being such that rollers in the pockets are pressed forward against the ring member with a force component largely dependent on torque transmitted between the two clutch members. An abutment on one of the members is operatively engageable with the rollers to limit their angular travel in the tracks relative to the one member.
REFERENCES:
patent: 2969132 (1961-01-01), Stewart
patent: 3095955 (1963-07-01), Orwin
patent: 3185275 (1965-05-01), Orwin
patent: 3270844 (1966-09-01), Orwin
patent: 3319753 (1967-05-01), Orwin et al.
patent: 4263996 (1981-04-01), Putney
patent: 4467902 (1984-08-01), Girguis
Dubno Herbert
Lorence Richard
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