Nail gun having safety device for preventing accidental firings

Details Nail gun having safety device for preventing accidental firings Nail gun having safety device for preventing accidental firings

1994-02-04

1996-03-05

Seidel, Richard K.

Elongated-member-driving apparatus

With interlock means

227113, 227130, 227140, B25C 104

Patent

active

054959730

ABSTRACT:
A pneumatically operated nail gun having a safety device which prevents a trigger lever from being accidentally manipulated. The gun has a nail guide movably disposed over a bit guide. A movable segment having a pipe-shaped portion and an arm portion formed integrally therewith is provided. The pipe-shaped portion is disposed movably in the nail guide, and the arm portion is movable in a slit of the nail guide. The arm portion is coupled to the safety arm whose end portion is engageable with the trigger lever. A spring is provided to urge the safety arm in a direction to maintain engagement between the end portion and the trigger lever. When the nail inserted in the nail guide is depressed onto the workpiece, the pipe-shaped portion moves against the biasing force of the spring, so that the end portion of the safety arm disengages from the trigger lever, whereupon the trigger lever can be operated.

REFERENCES:
patent: 3341101 (1967-09-01), Butler et al.
patent: 3675838 (1972-07-01), Bakoledis
patent: 3809307 (1974-05-01), Wandel et al.
patent: 4351464 (1982-09-01), Fehrs et al.
patent: 4389012 (1983-06-01), Grikis et al.
patent: 4480528 (1984-11-01), Shiroyama
patent: 4821937 (1989-04-01), Rafferty

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