Heavy duty stapler

Details Heavy duty stapler Heavy duty stapler

2009-12-02

2011-10-18

Smith, Scott A. (Department: 3721)

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

C227S120000, C227S132000

Reexamination Certificate

active

08038043

ABSTRACT:
A heavy duty stapler comprises a base member; a magazine member, which has a first end pivotally connected to the base member and a second end opposite to the first end, including a firing device provided at the second end thereof, with a firing portion formed from an end of the firing device; a lever arm, which has first and second end, including first and second pivotal sections defined at the first end thereof and a pressing section defined at the second end thereof opposite to the first and second pivotal sections, with the first pivotal section pivotally connected to the base member; a linkage member having a first end pivotally connected to the second pivotal section of the lever arm and a second end opposite to the first end thereof; and a driven member including a first pivotal portion pivotally connected to the base member, a second pivotal portion pivotally connected to the second end of the linkage member and a driven portion.

REFERENCES:
patent: 5356063 (1994-10-01), Perez
patent: 5364000 (1994-11-01), Fealey
patent: 6776321 (2004-08-01), Jairam et al.
patent: 7404507 (2008-07-01), Marks
patent: 7681771 (2010-03-01), Kandasamy et al.
patent: 7703652 (2010-04-01), Shen

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