Device for producing and projecting light

Details Device for producing and projecting light Device for producing and projecting light

1984-02-02

1985-04-09

Lechert, Jr., Stephen J.

Illumination

Light source and modifier

Ionized gas or vapor light source

362264, 362217, 362218, 362267, 362296, 362396, F21V 720

Patent

active

045105588

ABSTRACT:
The device for producing and projecting light has a reflector (11) with an optical center (12), a short arc discharge lamp (13) with lamp caps (21, 22) provided with pins (23 and 24, respectively) and a lamp holder (14) in which the pin (24) of the lamp cap (22) is fixed by fixing screws (26). The lamp holder (14) has a tube (25) which accommodates the pin (24) which is provided with a longitudinal gap (27), in whose proximity and on either side of which is arranged a respective radially directed fixing screw (26). The gap (27) merges into a transverse gap (28) which covers approximately half the circumference of the tube (25). Due to the gaps (27, 28), the tube (25) has obtained parts which behave like rigid springs and keep the fixing screws (26) pressed on the pin (24). FIG. 2.

REFERENCES:
patent: 3703635 (1972-11-01), Burkarth
patent: 3758769 (1973-09-01), Pichel
patent: 4290097 (1981-09-01), Block et al.
patent: 4423348 (1983-12-01), Greiler

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