B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 19/06 (2006.01) B25B 21/00 (2006.01) B25B 23/04 (2006.01) B25B 23/06 (2006.01) E04D 15/00 (2006.01) E04D 15/04 (2006.01)
Patent
CA 2268615
In a roofing washer-dispensing and fastener-driving machine, which has a fastener-feeding tube, a fastener-engaging pawl is mounted operatively to the tube, near its upper end. The pawl is pivotable between a normal position wherein the pawl is arranged to engage a fastener dropped into the tube so as to prevent the fastener from dropping through the tube and a pivoted position wherein the pawl is arranged to disengage from the fastener. An elongate rod is arranged to pivot the pawl from the normal position into the pivoted position when the machine is operated. In the same machine, a magazine adapted to hold a stack of such washers is improved so as to have a bridge mounted pivotably to one of two side walls of the magazine and a cover is mounted adjustably to the bridge, so that the cover in an upwardly adjusted position is inserted into the magazine, above a stack of such washers in the magazine, when the bridge spans the side walls and so that the cover is removed from the magazine when the bridge is pivoted to a position wherein the bridge does not span the side walls. The cover is mounted to the bridge via a rod, along which the cover is movable. In the same machine, a shuttle adapted to be reciprocatingly driven is improved so as to have a transverse groove, in which an elongate brace having a pivot pin at each end is fixed by fasteners so as to bear against the leading and trailing edges of the groove, and a transverse rib adapted to engage the lowermost washer in a stack in the magazine is defined by a removable element.
Hasan Riaz
Larson Paul M.
Paul Sigismund G.
Finlayson & Singlehurst
Illinois Tool Works Inc.
Omg Roofing Inc.
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