Mirror structure for laser printer

Details Mirror structure for laser printer Mirror structure for laser printer

2007-12-28

2008-09-23

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S216100, C310S090500

Reexamination Certificate

active

07428087

ABSTRACT:
The present invention relates to a weight-balancing structure for rotary polygon mirror of color laser printer, 1 which includes a stator set, a rotor set having a loading disc fixed on a spindle, a motor housing disposed underneath the loading disc, and a rotary polygon mirror is fixedly integrated with the loading disc with a spring member. The spring member has a plurality of spring paws disposed around the circumference thereof and obliquely extended in a downward direction. At least two spring paws are further integrally formed with a ring portion, and the ring portion is located around the outer circumference of each spring member and formed to curl in an upward direction. The weight block could be stuck on the inner periphery of the ring portion by an adhesive-applying means so that it won't come off while positioned in an environment of high rotation speed.

REFERENCES:
patent: 5831363 (1998-11-01), Fukita et al.
patent: 2005/0018326 (2005-01-01), Yoon
patent: 2006/0039058 (2006-02-01), Mori

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