Illumination – Supports – Clamp or hook
Patent
1979-03-26
1981-12-08
Padgett, Benjamin R.
Illumination
Supports
Clamp or hook
362400, 362418, 362430, 362344, F21V 2100
Patent
active
043051200
ABSTRACT:
An apparatus for releasably securing a drop light against rotation with respect to a connector from which the drop light depends, having a housing fixedly secured to the connector and an adaptor fixedly secured to said drop light. The housing is provided with a component having serrations which mate with corresponding serrations of a component of the adaptor when said drop light depends from said connector in an unrestrained manner.
REFERENCES:
patent: 2510708 (1950-06-01), Marshall
patent: 2608643 (1952-08-01), Day
patent: 2696551 (1954-12-01), Riga
patent: 2707229 (1955-04-01), Breithaupt
patent: 2730612 (1956-01-01), Westendorf
patent: 2745000 (1956-05-01), Kowalcyk
patent: 3808420 (1974-04-01), Gortner
patent: 4128226 (1978-12-01), Ross
Barr J. L.
Padgett Benjamin R.
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