Elongated-member-driving apparatus – With interlock means
Patent
1993-03-23
1993-11-23
Smith, Scott
Elongated-member-driving apparatus
With interlock means
227130, 227142, B25C 104
Patent
active
052638421
ABSTRACT:
A fluid pressure operated nailer in which the fixed nosepiece of the portable housing has an inner portion defining an inner drive track section extending from the fluid pressure chamber in the housing and an outer portion defining an interior guiding recess. A workpiece engaging member defining an outer drive track section is mounted within the interior guiding recess and extends outwardly of the outer end of the fixed nosepiece for movement between an extended workpiece engaging position and a retracted operating position. The inner and outer drive track sections are open laterally to the nail feed track so that a forwardmost nail can be fed from the feed track into the drive track sections. The workpiece engaging member is spring biased into its inoperative position so as to provide positive control of the nail with respect to the driving element during the entire drive stroke including recoil movement of the portable housing.
REFERENCES:
patent: 3519186 (1970-07-01), Volkmann
patent: 3708096 (1973-01-01), Burke, Jr.
patent: 4197974 (1980-04-01), Morton et al.
patent: 4404894 (1983-09-01), Oesterle
patent: 4480528 (1984-11-01), Shiroyama
patent: 4610381 (1986-09-01), Kramer et al.
patent: 4657166 (1987-04-01), Anstett
patent: 4821937 (1989-04-01), Rafferty
Smith Scott
Stanley-Bostitch Inc.
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