Elongated-member-driving apparatus – With means to move or guide member into driving position – With means to assure correct orientation of member
Patent
1996-03-29
1998-06-30
Smith, Scott A.
Elongated-member-driving apparatus
With means to move or guide member into driving position
With means to assure correct orientation of member
227136, B25C 104
Patent
active
057720983
ABSTRACT:
A pawl-type assembly for pulling a coiled strip of nails form a canister-type magazine of a nail driving tool and introducing the forwardmost nail of the strip into the drive track of the tool to be driven by the tool driver into a workpiece. The guide body of the tool defines the drive track and has a fixed wall and an openable wall forming there between a passage for the strip of nails from the canister-type magazine to the drive track. The pawl is shiftable by the piston rod of an air cylinder between a rearward position wherein it engages a nail near the forwardmost nail of the strip and a forward position wherein the nearby forwardmost nail of the strip is located in the drive track ready to be driven. The pawl is provided with ledge-like surfaces which, when the pawl is in its forwardmost position, engage the fixed wall of the guide body in such a way as to prevent pawl displacement during the fastener driving portion of the tool cycle.
REFERENCES:
patent: 3524576 (1970-08-01), Bader
patent: 3708097 (1973-01-01), Fisher
patent: 3945551 (1976-03-01), Sato et al.
patent: 4442965 (1984-04-01), Leistner
patent: 4858812 (1989-08-01), Fealey
patent: 4863089 (1989-09-01), McCardle et al.
patent: 5240161 (1993-08-01), Kaneko
patent: 5332141 (1994-07-01), Mukoyama et al.
Litzinger Jerrold J.
Senco Products Inc.
Smith Scott A.
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