Polygon mirror mounting structure

Details Polygon mirror mounting structure Polygon mirror mounting structure

1994-09-23

1997-01-28

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359200, 359216, 359871, G02B 2608, G02B 7182

Patent

active

055982913

ABSTRACT:
A polygon mirror mounting structure mounting a polygon mirror to an outer periphery of a rotor includes a mirror seating surface formed on the outer peripheral portion of the rotor for seating the polygon mirror thereon, and a retaining member having a ring-shaped configuration and a plurality of radially extending pawls on the outer periphery thereof for retaining the polygon mirror on the mirror seating surface. The pawls have an arcuate or tapered cross-sectional configuration and directly press the polygon mirror downwardly and radially outwardly, to thereby enable securing the polygon mirror to the rotor without providing through-holes for receiving screws in the polygon mirror.

REFERENCES:
patent: 4984881 (1991-01-01), Osada et al.
Ebara Review 143, Apr. 1989, p. 20.

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