Electrical connectors – With contact preventer or retractable cover part – Movably mounted
Patent
1997-07-25
1999-11-16
Stephen, Steven L.
Electrical connectors
With contact preventer or retractable cover part
Movably mounted
439188, 439346, H01R 1344
Patent
active
059847000
ABSTRACT:
A safety receptacle includes a base (10) formed with a circular depression (11) and two opposite cavities (18) one at a side of the depression, two conducting members (19) each fitted into a respective one of the cavities of the base, a rotary head (20) being a tubular member formed with a top having two parallel slots (20), a pair of opposite flanges (24) extending outwardly from two opposite sides of the tubular member, a block (28) depending downwardly from a central portion of a lower side of the top, and two vertical slots at two opposite sides of the tubular member, a positioning member (17) having an upper end fixedly fitted in the block of the rotary head and a lower end engaged with the recess, two terminals (22) each inserted into a respective one of the vertical slots along the two legs and provided with an inwardly extending tongue (221) , and a cover (30) fixedly mounted on the base and having a circular opening for receiving the top of the rotary head, whereby rotation of the plug (40) through 90 degrees causes movement of terminals (22) into engagement with conducting members (19) and movement of pin (141) into a hole in blade (41) to lock the plug in position thereby making the receptacle unable to conduct electricity until a predetermined operation has been performed.
REFERENCES:
patent: 5429518 (1995-07-01), Chen
patent: 5795168 (1996-02-01), Duhe
Nasri Javald
Stephen Steven L.
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