Clutch mechanism

Details Clutch mechanism Clutch mechanism

2005-05-05

2010-06-08

Pang, Roger (Department: 3655)

Planetary gear transmission systems or components

Condition responsive control

Overload release

C192S09300C, C192S150000, C015S308000

Reexamination Certificate

active

07731618

ABSTRACT:
A clutch mechanism includes clutch members having an engaged position, in which torque generated by a drive is transmitted to an output, and a disengaged position, in which torque is not transmitted to the output. The clutch members are capable of slipping with respect to each other in order to prevent damage caused by overload conditions. The clutch mechanism further comprises an actuator associated with a clutch member. If the clutch members slip and a characteristic associated with slipping of the clutch members, such as the temperature rise of the slipping surfaces or the relative rotational speed of the clutch members is above a predetermined value, transmission of torque to the output is interrupted. The clutch mechanism is particularly suited for inclusion in a drive mechanism for the agitator of a surface treating appliance, such as a vacuum cleaner.

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