Dustproof structure for an electronic equipment

Details Dustproof structure for an electronic equipment Dustproof structure for an electronic equipment

2007-11-20

2007-11-20

Lee, K. Richard (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

C200S296000, C200S302100

Reexamination Certificate

active

11298521

ABSTRACT:
A dustproof structure for an electronic equipment includes internal switches disposed in a housing forming an external frame of the electronic equipment and an opening for use in operating the internal switches. The dustproof structure further includes a shutter plate for opening or closing the opening; and a cover plate for supporting the shutter plate, the shutter plate being freely slidable between the cover plate and the housing. A slide recess serving as a sliding area of the shutter plate is formed in the housing or the cover plate.

REFERENCES:
patent: 1727767 (1929-09-01), Hammerly
patent: 2354224 (1944-07-01), Stein
patent: 4688023 (1987-08-01), McGill et al.
patent: 5543593 (1996-08-01), Turek
patent: 5803237 (1998-09-01), Gandre et al.
patent: 5949039 (1999-09-01), Koek et al.
patent: 6316740 (2001-11-01), Merkin et al.
patent: 6495775 (2002-12-01), Lawson et al.

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