Staple extractor structure

Details Staple extractor structure Staple extractor structure

2005-12-06

2005-12-06

Huynh, Louis K. (Department: 3721)

Elongated-member-driving apparatus

With means to withdraw member

C227S076000

Reexamination Certificate

active

06971569

ABSTRACT:
An improved staple extractor structure includes a movable member having an upwardly-tilting engaging edge properly cut at one side of an engaging cavity concaved upwards at the underside therein, and a U-shaped coupling recess disposed at the front bottom side thereof for retaining an engaging piece with a flat puller fixedly attached thereto. A central limiting groove is properly indented upwards at the front side of the coupling recess thereof, and at preset positions on the inner wall of the engaging cavity thereof is symmetrically disposed a pair of pivoting holes to be mutually registered with pivoting rods of a guide pressing board permitting a push block of the guide pressing board to be precisely located at the limiting groove therein and protruding outwards there-from in match to the flat puller thereof A spring element is respectively attached at the inner wall of the engaging cavity.

REFERENCES:
patent: 4513951 (1985-04-01), Rogers
patent: 5524886 (1996-06-01), Kim
patent: 5653424 (1997-08-01), Khan
patent: 6513788 (2003-02-01), Ashe

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