Stapler with energy-save mechanism

Details Stapler with energy-save mechanism Stapler with energy-save mechanism

2008-05-22

2010-02-23

Durand, Paul R (Department: 3721)

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

C227S134000

Reexamination Certificate

active

07665643

ABSTRACT:
A stapler includes a base having two frames on first end thereof and a magazine and an arm are respectively pivotably connected to the frames. A first link has a first end movably and pivotably connected with a slot defined in the arm and a second end of the first link is movably and pivotably connected to a first end of a second link. A hole is defined through the first link and located between the first and second ends of the first link. A pin extends the through hole and removably rested on the top of the frames. The second link is pivotably the frames at its mediate portion. The arm pivots the first link which pivots the second link so that the second end of the second link generates a significant force to the staples.

REFERENCES:
patent: 3739973 (1973-06-01), Abrams
patent: 5421502 (1995-06-01), Huang
patent: 6626346 (2003-09-01), Jairam et al.
patent: 6789719 (2004-09-01), Shor
patent: 7097088 (2006-08-01), Shor
patent: 7216791 (2007-05-01), Marks
patent: 7322504 (2008-01-01), Chen
patent: 7431186 (2008-10-01), Hsu
patent: 7540400 (2009-06-01), Zins et al.
patent: 2007/0221699 (2007-09-01), Hsu

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