Lamp unit for image projector

Optics: image projectors – Lamp control – Lamp position adjustable

Reexamination Certificate

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Details

C353S119000, C362S306000

Reexamination Certificate

active

06969175

ABSTRACT:
A lamp unit for an image projector comprises: a cable fixing portion comprising two posts and provided to stand inside a lamp box; and a cover plate mounted to contact upper ends of the posts and of the cable fixing portion. A cable for supplying electric power to a lamp body is inserted into the space between the posts, and wound around the posts. Thereby, even when a connector at an end of the cable is pulled, the cable is fixed and does not move, with the pulling force being not transferred to the lamp body. The cover plate mounted to contact the upper ends of the posts furthermore prevents the cable from slipping off the posts. Thus, with simple cable fixing structure, the lamp body can be prevented from slipping in position without increasing cost.

REFERENCES:
patent: 3848982 (1974-11-01), Shoji et al.
patent: 6398367 (2002-06-01), Watanabe
patent: 6575606 (2003-06-01), Shaw
patent: 2004/0233400 (2004-11-01), Kyoto et al.
patent: 49-105855 (1947-12-01), None
patent: 62-145898 (1987-06-01), None

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