Protection device for DC-powered nail gun

Details Protection device for DC-powered nail gun Protection device for DC-powered nail gun

2008-01-29

2008-01-29

Smith, Scott A. (Department: 3721)

Elongated-member-driving apparatus

With interlock means

C227S131000, C227S132000

Reexamination Certificate

active

07322502

ABSTRACT:
A protection device of a DC-powered nail gun includes collar mounted to a connection rod on the trigger and the collar has an inner diameter larger than an outer periphery of the connection rod so that when the trigger is not pulled, the collar is positioned to pivot a second switch so that the push member of the shooting unit of the nail gun cannot activate an activation button on the second switch when a new battery pack is installed. By the collar and the pivoted second switch, the nail cannot shoot even if the push member is powered and moved by the new battery pack.

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patent: 6672498 (2004-01-01), White et al.
patent: 6997367 (2006-02-01), Hu
patent: 7121443 (2006-10-01), Sun et al.
patent: 7152774 (2006-12-01), Chen

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