Illumination – Light source and modifier – Ionized gas or vapor light source
Patent
1994-05-06
1995-06-27
Lazarus, Ira S.
Illumination
Light source and modifier
Ionized gas or vapor light source
362294, 362373, 362226, 362804, F21V 1904, F21V 2900
Patent
active
054285178
ABSTRACT:
A field of action light allowing lamp replacement in the voltage-free condition of the socket without prior disconnection of the power supply. The base and the lamp form a structural unit that is held is easily detachable fashion in the housing of the light fixture, wherein the base is provided with electrical wiper contacts that interact such with corresponding cooperating contacts in the housing of the light fixture that a contacting of the electrical contacts automatically ensues upon introduction of the structural unit into the housing and a separation of the electrical contacts automatically ensues with the detachment of the structural unit from the housing. A mechanism for axially adjusting the position of the lamp with respect to the reflector is provided.
REFERENCES:
patent: 1602289 (1926-10-01), Tanner
patent: 3703635 (1972-11-01), Burkarth
patent: 4254454 (1981-03-01), Hardin, Jr.
patent: 4254455 (1981-03-01), Neal, Jr.
patent: 4533984 (1985-08-01), Gatton
patent: 4951178 (1990-08-01), Shirai et al.
patent: 5134554 (1992-07-01), Donato et al.
Lazarus Ira S.
Raab Sara
Siemens Aktiengesellschaft
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