Detachable plug

Details Detachable plug Detachable plug

1981-04-27

1982-08-24

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

200 5109, 307252B, 307252N, 307112, 339147R, 361100, H02H 1100

Patent

active

043464190

ABSTRACT:
There is disclosed an electrical connector system for a device powered by high current comprising a plug with two high current female contacts and one low current female contact, a socket in the device having two high current male contacts and one low current male contact. The high current contacts are longer than the low current contact so that when the plug is inserted, the high current contacts make connection before the low current contact and when the plug is removed the low current contact is disconnected first, breaking the circuit and preventing arcing. The high current contacts in the socket are electrically connected to the electrical device by a solid-state switch wherein the control gate is operated by the low current contact.

REFERENCES:
patent: 3549990 (1970-12-01), Hochheiser
patent: 4245270 (1981-01-01), Busby
"Commutated Relay Combines Solid-State Switching"-von Brimer, Thirteenth Annual National Relay Conference, Oklahoma State University, 4/27-29/1965.

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