Electrical connectors – With coupling movement-actuating means or retaining means in... – Including lock for retaining means
Patent
1997-04-02
2000-03-14
Vu, Hien
Electrical connectors
With coupling movement-actuating means or retaining means in...
Including lock for retaining means
439615, H01R 1362
Patent
active
060365226
ABSTRACT:
A shockproof (touch-safe) lamp holder and adapter system which replaces conventional screw-type holders and bayonet holders is disclosed. The lamp holder complies with the list of requirements demanded by testing authorities for many years.
The new lamp sockets can be used with an adapter in conventional lamp holders, and the requirement that the adapter cannot be removed again after insertion without any tools is fulfilled by a reversing lock.
REFERENCES:
patent: 625903 (1899-05-01), Schirner
patent: 1125143 (1915-01-01), McLaughlin
patent: 1506184 (1924-08-01), Kellner
patent: 1675353 (1928-07-01), Kellner
patent: 1776506 (1930-09-01), Houghton
patent: 1932132 (1933-10-01), Cherry
patent: 4183604 (1980-01-01), Tjornhm, Sr.
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