Image projector lamp door with screw tuning component

Details Image projector lamp door with screw tuning component Image projector lamp door with screw tuning component

2006-03-14

2006-03-14

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Housing

C353S085000, C352S243000

Reexamination Certificate

active

07011417

ABSTRACT:
An image projector includes a lamp box containing a lamp, a case for forming a housing for the projector and having an opening for inserting the lamp box into the housing, a lamp housing provided inside the case and used for fixing the lamp box, and a lamp door removably attached to the case and used for opening and closing the opening. The lamp door has a screw-turning component capable of engaging with a groove on the head of the fixing screw when removed from the case, and threadable tightening/loosening can be performed by rotating the lamp door with the screw-turning component engaged with the groove in the fixing screw. This allows the lamp box to be replaced without the need for a screw-turning tool.

REFERENCES:
patent: 6345896 (2002-02-01), Kurosawa
patent: 6523960 (2003-02-01), Watanabe
patent: 6755541 (2004-06-01), Nakano et al.
patent: 59-30128 (1984-02-01), None
patent: 4-104644 (1992-09-01), None
patent: 10-268425 (1998-10-01), None
patent: 2002-333668 (2002-11-01), None
patent: 2002-344848 (2002-11-01), None

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