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Opening-closing device with limited lifting range

  • US 6,327,457 B1
  • Filed: 04/13/2000
  • Issued: 12/04/2001
  • Est. Priority Date: 04/14/1999
  • Status: Expired due to Term
First Claim
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1. An opening-closing device for an original pressing device, having:

  • a base member for fixation to the body of an apparatus on which the original pressing device is to be used;

    a supporting member secured pivotably to the base member with a hinge pin;

    a lifting member to which the rear portion of the original pressing device fixed directly or with any fixing member to the free end of the supporting member with a supporting pin reversibly in a direction in which the lifting member will overlap the supporting member; and

    an elastic member provided between the base member and a different position from the pivoted position of the lifting member relative to the supporting member to force the supporting member along with the lifting member in the opening direction of the original pressing device while forcing the lifting member in a direction in which the lifting member will overlap the supporting member;

    the opening-closing device further comprising;

    means for limiting to a predetermined range the range of the lifting member being reversible about the pivoted position relative to the supporting member; and

    an adjusting means abutting a part of the base member or the apparatus body when the lifting is closed to reverse the lifting member.

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