Rotatable polygon mirror

Details Rotatable polygon mirror Rotatable polygon mirror

1991-01-15

1992-07-28

Gonzalez, Frank

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359217, G02B 2608

Patent

active

051345145

ABSTRACT:
The invention provides a rotatable polygon mixture having a body shaped in a form of polygon. At the axis of rotation of the body is provided a shaft hole, and to each side of said body is provided a mirror surface. The thickness of each center portion of the body corresponding to a portion between the center part of each side and the axis of rotation is made thinner than that of each corner portion corresponding to a portion between the corner part of each side and the axis of rotation to control the flow speed of molding resin.

REFERENCES:
patent: 4643518 (1987-02-01), Taniguchi
patent: 4755731 (1988-07-01), Anthony et al.
patent: 4826271 (1989-05-01), Takahashi et al.
patent: 4842354 (1989-06-01), Takahashi et al.
patent: 4884856 (1989-12-01), Takeyasu et al.
patent: 4889418 (1989-12-01), Benjamin
patent: 4953925 (1990-09-01), Parker

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