Torque limiter

Details Torque limiter Torque limiter

2007-11-26

2011-12-27

Binda, Gregory (Department: 3679)

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Overload release coupling

Including thermally responsive element

C464S037000

Reexamination Certificate

active

08083596

ABSTRACT:
In one embodiment, a torque limiter comprises an outer cylindrical housing having a plurality of semicircular grooves disposed in an interior surface. An inner cylindrical housing is arranged at least partially within the outer cylindrical housing. The inner cylindrical housing has a plurality of slots passing from its interior surface to its exterior surface. A plurality of roller bearings are disposed within the slots. An elastic cylinder is also arranged within the interior of the inner cylindrical housing. When applied torque is below a torque limit, the elastic component presses the roller bearings into contact with the semicircular grooves to couple the outer and inner cylindrical housing. In response to applied torque exceeding the torque limit, the elastic component compresses sufficiently to allow the roller bearings to retract and disengage the semicircular grooves, thereby decoupling the outer and the inner cylindrical housings and preventing the transfer of torque.

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patent: 1493820 (1989-07-01), None

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