Fastener driving tool for locating a pre-existing through hole i

Details Fastener driving tool for locating a pre-existing through hole i Fastener driving tool for locating a pre-existing through hole i

1995-04-19

1996-12-03

Smith, Scott A.

Elongated-member-driving apparatus

With interlock means

227 32, 227119, 227130, 227136, B25C 104

Patent

active

055799752

ABSTRACT:
A fastener driving tool capable of locating a preformed hole in a first workpiece, aligning the drive track of the tool with the hole, and thereafter driving a fastener, such as a nail, through the hole and into a second workpiece to attach the first workpiece to the second workpiece. The tool has a magazine comprising an outer portion affixed to the tool and its drive track containing guide body, and an inner portion containing a strip of nails and pivoted at its rearward end to the rearward end of the outer magazine portion. The inner magazine portion is pivotable within the outer magazine portion between a first position wherein the forwardmost nail of the strip extends well beyond the nose of the guide body serving as a probe to locate and enter the workpiece hole, and a second position wherein the forwardmost nail of the strip is still engaged in the workpiece hole and is properly aligned in the drive track to be driven by the tool driver through the first workpiece hole and into the second workpiece. The inner magazine is operatively connected to safety trip which is shiftable between a first, disabling position when the inner magazine portion is in its first position and a second enabling position allowing the tool to be actuated when the inner magazine is in its second position. The inner magazine portion and the safety trip are biased to their first positions.

REFERENCES:
patent: 3891133 (1975-06-01), Maier et al.
patent: 4485952 (1984-12-01), Weis
patent: 4856696 (1989-08-01), Seld
patent: 4928867 (1990-05-01), Jensen
patent: 5052607 (1991-10-01), Dutton
patent: 5238167 (1993-08-01), Howard et al.
patent: 5452835 (1995-09-01), Shkolnikov

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