Electrical connectors – With contact preventer or retractable cover part – Movably mounted
Reexamination Certificate
2006-01-24
2006-01-24
Zarroli, Michael C. (Department: 2839)
Electrical connectors
With contact preventer or retractable cover part
Movably mounted
C439S172000, C439S929000
Reexamination Certificate
active
06988903
ABSTRACT:
An extractable conversion plug with a safety protection means includes a spring is located between a moveable pillar of a slab and a latching element, inside a connection head, such that the slab can cover conduction pieces through an elastic force from an expansion of the spring, thereby preventing the conduction pieces from being exposed. Upon emplacing the connection head at a base seat, the slab is stopped from moving by a stopper, and the conduction pieces are exposed and are contacted with spring leaves of the base seat, thereby constituting a close-circuit status. When the base seat falls off by accident, a stopping force of the slab is relieved to release a compression force from the spring, which will cause the spring to expand, so as to move the slab to cover the conduction pieces, thereby preventing from getting an electric shock by a careless touch.
REFERENCES:
patent: 5634806 (1997-06-01), Hahn
patent: 5702259 (1997-12-01), Lee
patent: 5848907 (1998-12-01), Chen
patent: 6123557 (2000-09-01), Wang et al.
patent: 6893275 (2005-05-01), Ng et al.
patent: 6923666 (2005-08-01), Liao
patent: 2004-31260 (2004-01-01), None
Edac Power Electronics Co., Ltd.
Zarroli Michael C.
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