Polygonal mirror

Details Polygonal mirror Polygonal mirror

1994-07-18

1996-05-14

Nguyen, Viet Q.

Optical: systems and elements

Mirror

Plural mirrors or reflecting surfaces

359857, 359872, 359874, 359876, 359217, 359848, 250236, 250235, B29L 1100, G02B 2610

Patent

active

055173659

ABSTRACT:
A polygonal mirror according to the present inventio is provided with a mirror body, a plurality of reflection faces formed to side surfaces of the mirror body, and reinforcing ribs integrally formed to both the upper and lower surfaces of the mirror body, respectively. Each of the reinforcing ribs has an outer circumference that is larger than the outer circumference of the mirror body.

REFERENCES:
patent: 4884856 (1989-12-01), Takeyasu et al.
patent: 5024496 (1991-06-01), Oikawa
patent: 5361170 (1994-11-01), Takeyasu

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