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US 7,611,295 B2Granted
Electric dust-proof device
AssigneeAsia Optical Co., Inc.
InventorsYao-Ching Tsai, Jung-Chun Yen, Chien-Lung Huang
Life of this patent
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Abstract
An electric dust-proof device includes a driving mechanism disposed on a base seat unit, and a dust-proof plate driven by the drive mechanism. The driving mechanism includes a power unit, a drive unit driven by the power unit, a driving seat driven by the drive unit, and a driven seat driven by the driving seat. The dust-proof plate is driven by the driven seat to move between an open position and a close position.
Claims14
An electric dust-proof device comprising:
- a base seat unit;
- a driving mechanism including
- a power unit including a motor disposed on said base seat unit, and a worm driven by said motor to rotate in two directions,
- a drive unit including a worm gear disposed rotatably on said base seat unit and meshing with said worm, and a first gear driven by said worm gear,
- a driving seat including a driving seat body disposed pivotally on said base seat unit, and a second gear disposed on said driving seat body and meshing with said first gear, and a pair of spaced-apart first and second pushing portions disposed on said driving seat body, and
- a driven seat including a base body spaced apart from said driving seat body of said driving seat, an output member disposed on said base body, and a pair of spaced-apart first and second pushed portions disposed on said base body and corresponding respectively to said first and second pushing portions of said driving seat;
- and
- a dust-proof plate including a connecting portion connected to said output member of said driven seat, and a covering plate portion extending from said connecting portion and co-movable with said connecting portion between an open position and a close position.
5 more elements
Dependencies are inferred from the claim text.