Pneumatic nail gun

Details Pneumatic nail gun Pneumatic nail gun

2005-08-16

2005-08-16

Smith, Scott A. (Department: 3721)

Elongated-member-driving apparatus

With interlock means

C227S142000

Reexamination Certificate

active

06929165

ABSTRACT:
A pneumatic nail gun has a body, a nail magazine, an actuating device, a trigger assembly and a push bar assembly. The body has a housing, a handle and a nail firing device. The actuating device is mounted between the housing and the handle. The actuating device has a channel, a piston rod, an O-ring and a first spring to provide a restitute force to the piston rod. The trigger assembly is attached to the body and has an inner cap pivotally attached to the body, an outer cap slidably attached outside the inner cap, an actuating lever pivotally attached inside the inner cap and a second spring. Accordingly, the outer cap can be moved to a lock position to keep the nails from being fired unintentionally, and the pneumatic nail gun is safe in use.

REFERENCES:
patent: 5219110 (1993-06-01), Mukoyama
patent: 5593079 (1997-01-01), Mukoyama et al.
patent: 5715982 (1998-02-01), Adachi
patent: 5785227 (1998-07-01), Akiba
patent: 6024267 (2000-02-01), Chen
patent: 6170729 (2001-01-01), Lin
patent: 6186386 (2001-02-01), Canlas et al.
patent: 6578750 (2003-06-01), Kubo et al.
patent: 6581815 (2003-06-01), Ho et al.

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