Elongated-member-driving apparatus – With means to move or guide member into driving position – With means to assure correct orientation of member
Patent
1999-04-16
2000-09-26
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
227120, 227147, B25C 104
Patent
active
061232459
ABSTRACT:
The nailer has a horizontal nail magazine and an integral vertical column. The magazine horizontally feeds the nails through an inclined inlet port, into a vertical channel located in the column, and inside which is vertically slidable a selectively powered driver rod which hits and expels the nails through a nail outlet port. The vertical channel has a front and a rear wall adjacent the single nail located in the channel, and lateral walls. The inclined inlet port is located in the channel rear wall. When the driver rod is forcibly downwardly driven along the channel, it hits the upper inclined nail head with its flat lower abutment edge, thus gradually pivoting the nail into a vertical position as the nail is being driven towards the nailer outlet port. This results in the nail being pivoted from a position in which it is in transverse register with the inlet port, to a position in which it is in transverse register with the channel rear wall. Thus, the nail is prevented from transversely buckling upon the nail tip impacting with a hard surface at the nail outlet port, such as the head of another nail already driven into the surface being nailed. Indeed, the nail is transversely frontwardly supported by the channel front wall, and transversely rearwardly supported by the channel rear wall.
REFERENCES:
patent: 2994878 (1961-08-01), Abrahamsen
patent: 3063330 (1962-11-01), Dietrich
patent: 3980179 (1976-09-01), Schrepferman
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patent: 4375867 (1983-03-01), Novak et al.
patent: 4693407 (1987-09-01), Buck et al.
patent: 5074453 (1991-12-01), Tachihara et al.
patent: 5288004 (1994-02-01), Johnsson et al.
patent: 5522533 (1996-06-01), Mukoyama et al.
Laboratoire Primatech Inc.
Martineau F.
Smith Scott A.
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