Elongated-member-driving apparatus – With interlock means
Reexamination Certificate
2007-02-06
2008-12-16
Durand, Paul R (Department: 3721)
Elongated-member-driving apparatus
With interlock means
C227S130000, C227S156000, C173S170000
Reexamination Certificate
active
07464843
ABSTRACT:
A trigger switch mechanism of a nail gun is pivotally attached between two side plates of a trigger of the nail gun. The switch mechanism includes a blocking piece pivotally attached to a safety slide rod and a trigger valve rod of the nail gun. Each of the side plates includes an axis hole, and two blocking grooves are disposed in the axis hole. The switch mechanism includes a plurality of blocking teeth, and a spring is disposed between one of the side plate and the switch mechanism to abut the switch mechanism and nest the blocking teeth into the blocking groove for stopping the switch mechanism. The switch mechanism includes a dial portion for being dialed by a hand of the operator, which is capable of deviating the blocking teeth from the blocking grooves to release the switch mechanism, and rotating the switch mechanism to adjust the position of the blocking piece relative to the safety slide rod, so as to realize conveniently switching the operation modes of the trigger of the nail gun.
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De Poan Pneumatic Corp.
Durand Paul R
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