Operating lamp with main bulb and replacement bulb

Details Operating lamp with main bulb and replacement bulb Operating lamp with main bulb and replacement bulb

1996-02-28

1997-10-14

Price, Carl D.

Illumination

Light source substitution

362 20, 362276, 362287, 362427, F21V 1904

Patent

active

056764529

ABSTRACT:
An operating lamp has at least one main bulb 11 arranged at a desired position 13 and a replacement bulb 12 arranged at a waiting position 14 located close the desired position 13. The main bulb 11 and the replacement bulb 12 are displaceably mounted and controlled in such a way that when the main bulb 11 burns out it is moved away from the desired position 13 and the replacement bulb 12 is moved from the waiting position 14 to the desired position 13 and is held there. The main bulb 11 and the replacement bulb 12 are mounted on holders 15, 16 which are moveable independently of one another.

REFERENCES:
patent: Re31987 (1985-09-01), Hartung et al.
patent: 2551029 (1951-05-01), MacKay
patent: 5023515 (1991-06-01), Olon et al.
patent: 5032962 (1991-07-01), Gehly et al.

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