Projector with a projection position adjusting device

Details Projector with a projection position adjusting device Projector with a projection position adjusting device

2009-01-14

2011-10-18

Epps, Georgia Y (Department: 2878)

Optics: image projectors

Lens support

Lens position adjustable

C353S119000

Reexamination Certificate

active

08038307

ABSTRACT:
A projector includes a projection optical device and a projection position adjusting device that includes a fixed member defining a hole having a step portion, a first plate that supports the projection optical device and a second plate disposed between the fixed member and the first plate. The projection position adjusting device further includes a connecting member having a step and being disposed in the hole of the fixed member and connected to the first plate, and an urging member disposed between the connecting member and the step portion of the hole of the fixed member. The urging member urges the step portion of the hole and the step of the connecting member away from each other, and urges the first plate into direct contact with the fixed member.

REFERENCES:
patent: 6966671 (2005-11-01), Lee et al.
patent: 2002/0154278 (2002-10-01), Masuda
patent: A-2004-245956 (2004-09-01), None
patent: A-2006-133419 (2006-05-01), None

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