Single-shot nail stapler

Details Single-shot nail stapler Single-shot nail stapler

2005-03-01

2005-03-01

Smith, Scott A. (Department: 3721)

Elongated-member-driving apparatus

With interlock means

C227S130000

Reexamination Certificate

active

06860416

ABSTRACT:
A single-shot nail stapler includes a valve and a valve-opening rod for pushing the valve open. A major trigger includes two side members each with an upper portion pivotally attached to a portion of the single-shot nail stapler and a lower portion defining a substantially horizontal slit and a substantially vertical slot with an upper end and a lower end. A slide includes two side members each including a fin formed thereon and defining an inclined slot with an upper left end and a lower right end. The fins are movable in the substantially horizontal slits of the major trigger. A secondary trigger includes an upper portion, a lower portion and an aperture defined in the lower portion of the secondary trigger. A pin is fit in the aperture of the secondary trigger and movable in the inclined slots of the slide and the substantially vertical slots of the major trigger. Two springs are each compressed between the major trigger and each of the slide members of the slide. A security element extends movably between the side members of the major trigger for pushing the upper portion of the secondary trigger.

REFERENCES:
patent: 5551621 (1996-09-01), Vallee
patent: 5791545 (1998-08-01), Lin
patent: 5836501 (1998-11-01), Lai
patent: 6116488 (2000-09-01), Lee
patent: 6213372 (2001-04-01), Chen
patent: 6422446 (2002-07-01), Liu
patent: 6588642 (2003-07-01), Wang et al.
patent: 6659324 (2003-12-01), Liu
patent: 6662989 (2003-12-01), Chang et al.
patent: 6675999 (2004-01-01), Mukoyama et al.

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