192 clutches and power-stop control – Elements – Wear compensators
Patent
1979-03-30
1981-03-17
Artis, Henry K.
192 clutches and power-stop control
Elements
Wear compensators
192 56R, F16D 316, F16D 700, F16D 4320
Patent
active
042559464
ABSTRACT:
A rotary drive device for transmitting power and which includes two parts that rotate together. When a predetermined torque is encountered, two parts move slightly relative to one another and immediately cause actuation of switch means which in turn actuates a light, an alarm, or other means to cut off power or otherwise stop the device, until overload conditions are overcome. The relative rotation between the two parts of the device occurs quickly and with a snap action so that upon reaching an overload torque condition, a signal is immediately given without delay and without "hunting" of the device or other hesitation. The device furthermore has spring means for loading an axially shiftable switching plate and which springs and plate are also used to transmit axial force on a ball and detent means between the two parts. The device utilizes the same spring means for resiliently loading the switch plate and for setting the maximum driving torque. The resulting device is instantaneous in action when overload torque conditions are encountered, has a minimum number of parts for the functions performed, is economical to manufacture and simple and foolproof in operation.
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Artis Henry K.
Nilles James E.
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