Power actuated tool with magazine feed
AssigneeEldorado Cartridge Corporation
InventorsJames R. Brosius, Ralph C. Brosius
Life of this patent
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Abstract
A fastener driving tool for driving a nail or anchor, the tool disposed for feeding of a cartridge strip of explosive cartridges through the tool, which upon ignition drive a plurality of magazined fasteners into a surface; the tool incorporating a handle, a tubular chamber, a piston and combustion chamber within the tubular chamber, the combustion chamber receiving a cartridge in preparation for firing, which upon ignition, propels the piston forwardly for driving of a nail, a fastener housing located forwardly of the tubular chamber, and provided for shifting of a strip of fasteners held by a magazine upwardly through the tool during repeated tool usage.
Claims44
A fastener driving tool for use for driving a nail or other anchor into a hardened surface such as of concrete, metal, or the like, said tool useful for feeding a cartridge strip of explosive cartridges through the tool for repeated subsequent driving sequentially of a plurality of magazine fed fasteners into such a surface, said tool including a handle means, a tubular cylinder provided extending forwardly from said handle means, a cartridge chamber provided at the rear of said tubular cylinder means for contiguous reception of a cartridge therein in preparation for a firing, a piston means having a cartridge chamber operatively associated with its back end provided within the tubular cylinder means and provided for reciprocal movement therein between a set position arranged approximate the back segment of said tubular cylinder means and at its front segment as after a firing and for driving of a fastener in place, said tubular cylinder and piston means capable of being reset in preparation for a firing, a feed housing means operatively associated with said handle means and tubular cylinder, and providing an indexing of the cartridge strip through the feed housing means upon the handle means for selective positioning of a next cartridge aligned with the cartridge chamber in preparation for a next firing, a fastener housing operatively associated with the forward end of the tubular cylinder, and provided for reception singly of fastener means in preparation for a next firing, and a magazine means connecting with the fastener housing, and provided for delivery of a series of held fasteners sequentially into the fastener housing during repeat usage of the driving tool.
Dependencies are inferred from the claim text.