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Staple refill, stapler and cartridge

  • US 7,748,587 B2
  • Filed: 02/06/2004
  • Issued: 07/06/2010
  • Est. Priority Date: 02/07/2003
  • Status: Active Grant
First Claim
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1. A refill for staples which is adapted to be installed in a detachable manner in a stapler body, or in a cartridge provided for said stapler body, comprising:

  • a refill body holding sheet-type connected staples;

    a pressing member which is movably provided in said refill body, and presses the sheet-type connected staples, whereina delivery port delivering the sheet-type connected staples is formed in said refill body, and a locking plate is provided at a side opposite to said delivery port;

    a locking section provided in said locking plate, the locking section mechanically interacts and locks with a locked section formed in said stapler body or said cartridge, andsaid locking section on said locking plate can get out of said locked section in said stapler body or said cartridge when an external force is applied to said locking section only when the sheet-type connected staples are not pressed by the pressing member;

    wherein said refill body comprises;

    a bottom wall;

    a front wall provided in a front portion of said bottom wall;

    a right wall provided in a right portion of said bottom wall;

    a left wall provided in a left portion of said bottom wall; and

    said locking plate rotatably provided against a rear portion of said bottom wall,said delivery port is formed in a lower portion of said front wall,a guide slot extending in the vertical direction is provided on each of said right and left walls, and a concave portion is formed toward the front in a lower portion of each guide slot,said pressing member has a guide shaft guided in said guide slot, andwhen the sheet-type connected staples are not pressed, said guide shaft gets out of said guide slot and enters into said concave portion, and said locking plate can be rotated in the unlocking direction.

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