Elongated-member-driving apparatus – With interlock means
Reexamination Certificate
2005-12-13
2005-12-13
Smith, Scott A. (Department: 3721)
Elongated-member-driving apparatus
With interlock means
C227S130000
Reexamination Certificate
active
06974062
ABSTRACT:
A nail gun has a free end19aand central potion of a trigger arm19positioned within a trigger11, on an upper end12aof a safety portion12and at a plunger17, respectively. When the trigger11is pivoted on its pivot end16, pivoting movement of the trigger11moves a pivot end18of the trigger arm19to press the central portion of the trigger arm19into contact with the plunger17and, with the plunger17serving as a fulcrum, to press the free end19adownward against the upper end12aof the safety portion12. If downward movement of the safety portion12is obstructed when the trigger11is pivoted, the upper end12acontacted by the free end19aof the trigger arm19serves as a fulcrum around which the trigger arm19pivots with movement of the trigger11, whereupon the central portion of the trigger arm19presses the plunger17inward so that an activation switch10activates a blade7to eject a nail through a nose piece5.
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Hitachi Koki Co,. Ltd.
Smith Scott A.
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