Luminaire apparatus with multiple light sources including method

Details Luminaire apparatus with multiple light sources including method Luminaire apparatus with multiple light sources including method

1980-07-28

1983-05-31

Lechert, Jr., Stephen J.

Illumination

Plural light sources

Source and modifier mounted for relative movement

362240, 362250, 362285, 362372, F21V 100

Patent

active

043863914

ABSTRACT:
A holder, for example a multiple light source socket, is mechanically travelled in a supporting structure, in both rotary and linear paths of travel. Rotary travel provides for interchangeably locating lamps along a focal axis in a luminaire housing. Linear travel of the socket provides a focusing adjustment for each lamp along the focal axis to position it at a desired point of focus. In one form the supporting structure may comprise a miner's cap lamp having an externally located knob which may be manually turned by a miner to move the socket member. Other forms of supporting structures and movable parts may be provided as hereinafter disclosed.

REFERENCES:
patent: 3953724 (1976-04-01), Ouchi

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