Clutch

Details Clutch Clutch

2011-08-16

2011-08-16

Le, David D (Department: 3655)

192 clutches and power-stop control

Clutches

Operators

C192S069710, C192S10700R

Reexamination Certificate

active

07997399

ABSTRACT:
A clutch includes a driving member and a driven member. The driving member includes a rotatable shaft and four breaking blocks radially fixed to the rotatable shaft. Each breaking block includes a thermally deformable main body including an engaging surface, and a heating element and an engaging block formed on the engaging surface. The driven member includes a mounting surface and defines four engagement-receiving portions and a through hole in the mounting surface. The four engagement-receiving portions are positioned and shaped so as when the driving member is assembled to the driven member the four engaging blocks are correspondingly engaged with the four engagement-receiving portions. The rotatable shaft is rotatably inserted through the through hole. The heating element is configured for heating the breaking block to force it to bend the engaging blocks away from the engagement-receiving portions to disengage the clutch.

REFERENCES:
patent: 294672 (1884-03-01), Huckins et al.
patent: 3889314 (1975-06-01), McCabe
patent: 4040304 (1977-08-01), McCabe
patent: 4962836 (1990-10-01), Martin

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