Elongated-member-driving apparatus – With means to move or guide member into driving position – Including carrier feed means for a plurality of members
Patent
1988-09-23
1990-07-24
Yost, Frank T.
Elongated-member-driving apparatus
With means to move or guide member into driving position
Including carrier feed means for a plurality of members
227128, B25C 104
Patent
active
049429965
ABSTRACT:
Improvements in a fastener-feeding mechanism for a pneumatically powered, combustion-powered, or other rapidly acting, fastener-driving tool comprising a housing structure, a driver, and a magazine, as well as such a mechanism. The housing structure includes a nosepiece defining a drive track. The drive is mounted for repeatable movement along the drive track. The magazine is adapted to store a strip of collated fasteners, e.g., collated nails, such that a leading portion of the strip extends from the magazine. As a component for feeding fasteners individually and sequentially into the drive track from the leading portion of the strip, a pawl has a groove or grooves adapted to receive one such fastener. A fixed structure confines one of two sides of the leading portion of the strip so as to guide such portion. When in an operative position, a hinged structure confines the other side of such portion so as to guide such portion. The hinged structure includes a holding member adapted when in an operative position to hold one such fastener in the groove or groves and movable to inoperative positions so as to expose the groove or grooves. The hinged structure also includes a hinged cover adapted when in an operative position to secure the holding member in its operative position, as the only way for doing so, and adapted to move so as to allow the holding member to be so moved and so as to expose fastener-guiding surfaces of the fixed structure.
REFERENCES:
patent: 3708097 (1973-01-01), Fisher
patent: 3945551 (1976-03-01), Sato et al.
Golsch Rudolph A. M.
Howard Frank C.
Wolfberg Robert L.
Buckman Thomas W.
Illinois Tool Works Inc.
Johnson Neal C.
Wolfe James L.
Yost Frank T.
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