192 clutches and power-stop control – Stop mechanism – Safety device
Patent
1980-10-02
1983-02-01
Bonck, Rodney H.
192 clutches and power-stop control
Stop mechanism
Safety device
81 5715, 192133, F16P 308, B25B 1700
Patent
active
043710697
ABSTRACT:
A safety interlock between a machine guard and a machine actuator, comprising locking means for the guard and locking means for the actuator, the guard locking means being arranged, upon closing of the guard, to engage and thereby release the actuator locking means and to be held in a guard locking condition by such engagement while the machine is actuated.
REFERENCES:
patent: 639685 (1899-12-01), O'Connell
patent: 2794528 (1957-06-01), King
patent: 3023651 (1962-03-01), Wallace
patent: 4170907 (1979-10-01), Cathcart
patent: 4212212 (1980-07-01), Chandler et al.
patent: 4215602 (1980-08-01), Carstensen et al.
Bonck Rodney H.
Weatherford U.K. Limited
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