Turning mechanism

Details Turning mechanism Turning mechanism

2011-01-18

2011-01-18

Stultz, Jessica T (Department: 2873)

Optical: systems and elements

Lens

With support

C359S703000, C359S822000, C359S823000

Reexamination Certificate

active

07872816

ABSTRACT:
A turning mechanism is adapted to a projector including a base and a zoom lens set in a base for turning a zoom bar of the zoom lens. The turning mechanism includes a fixed element and a movable element. The fixed element is suitable to be fastened to the base and has a pair of slide tracks. The movable element has a pair of slide edges, a pair of slide hooks, and a turn portion. The slide hooks lock the slide tracks respectively, and the slide edges are supported by the slide tracks respectively. Therefore, the movable element substantially slides around a light axis of the zoom lens relative to the fixed element, so as to move the turn portion to turn the zoom bar.

REFERENCES:
patent: 6117071 (2000-09-01), Ito et al.
patent: 7019916 (2006-03-01), Suzuki
patent: 2006/0092384 (2006-05-01), Kuroda
patent: 2007/0064205 (2007-03-01), Meng et al.
patent: 200712735 (2007-04-01), None

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