Height adjustment apparatus for projection device

Details Height adjustment apparatus for projection device Height adjustment apparatus for projection device

2008-10-14

2011-11-15

Ko, Tony (Department: 2878)

Optics: image projectors

Distortion compensation

For projection axis inclined to screen

Reexamination Certificate

active

08057050

ABSTRACT:
A height adjustment apparatus for a projection device comprises a socket, an engaging member, and a lifting member. The projection device comprises a housing having a front and bottom plate perpendicular to each other, the bottom and front plate defining a first and second opening therein, respectively. The socket comprising a locating portion is located on an inner surface of the bottom plate, covers the first opening and defines a third opening therein. The engaging member comprises a main portion, an engaging portion and a deformable portion. The main portion is inserted through the second opening. The engaging portion connecting the main portion defines a fourth opening aligning with the third opening. The deformable portion has a movable portion located in the locating portion. The lifting member comprises an upright lifting portion passing through the third opening and having a toothed face engaged by the engaging portion.

REFERENCES:
patent: 6481855 (2002-11-01), Oehler
patent: 6715890 (2004-04-01), Huang et al.
patent: 6796538 (2004-09-01), Hsu et al.
patent: 6871826 (2005-03-01), Oyama et al.
patent: 6923417 (2005-08-01), Chang
patent: 7234676 (2007-06-01), Chen et al.
patent: 7409271 (2008-08-01), Lee et al.
patent: 7901091 (2011-03-01), Chen et al.
patent: 2005/0078283 (2005-04-01), Lee et al.
patent: 2006/0113440 (2006-06-01), Chung et al.
patent: 2006/0202095 (2006-09-01), Shao et al.
patent: 2006/0244932 (2006-11-01), Hsu et al.
patent: 1797182 (2006-07-01), None
patent: 11271879 (1999-10-01), None

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