Electricity: circuit makers and breakers – Interlocking – Between plural switches
Patent
1985-05-17
1986-08-05
Scott, J. R.
Electricity: circuit makers and breakers
Interlocking
Between plural switches
H01H 920
Patent
active
046045058
ABSTRACT:
A receptacle for receiving a plug includes a frame and an electrical connector mounted on the frame. A switch is electrically connected to the connector and can disconnect it. A manually operable interlock has an on and off position. This interlock is mounted on the frame for operating the switch to apply power to the connector after the securing of the plug into the connector. The interlock has a grasping device for grasping the plug on a rearward external surface of the plug. The grasping device prevents the removal of the plug in response to the interlock being placed in the on position.
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patent: 2015543 (1935-09-01), Bissell
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patent: 2441465 (1948-05-01), Bauroth
patent: 2470944 (1949-05-01), Parish
patent: 4335286 (1982-06-01), Nelson
patent: 4503293 (1985-03-01), Knecht
Adams Thomas
ERO, Inc.
Scott J. R.
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