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Apparatus for installing a curved mirror used in a scanning optical system

  • US 5,493,453 A
  • Filed: 08/12/1994
  • Issued: 02/20/1996
  • Est. Priority Date: 08/13/1993
  • Status: Expired due to Term
First Claim
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1. An apparatus for installing a curved mirror used in a scanning optical system, comprising:

  • a curved mirror assembly comprising a wall and a reference surface formed on a surface of said wall; and

    a stationary member with which said scanning optical system is provided and to which said curved mirror assembly is secured,said curved mirror assembly being secured to said stationary member by using said reference surface without said reflecting surface coming in contact with said stationary member;

    said wall comprising at least one reference surface, and said stationary member comprising a contacting surface with which said reference surface comes into contact;

    a positioning projection extending in a direction parallel to an optical axis of said reflecting surface being formed on one of said reference surface and said contacting surface; and

    a positioning groove, for holding said positioning projection when said reference surface comes into contact with said contacting surface, being formed on the other of said reference surface and said contacting surface.

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