B - Operations – Transporting – 25 – C
Patent
B - Operations, Transporting
25
C
93/94
B25C 1/00 (2006.01)
Patent
CA 1151459
ocket M-318 TAG ATTACHING APPARATUS Abstract of the Disclosure There is disclosed apparatus for attaching tags using fasteners of a type having a bar section and a button section joined by a filament section. The apparatus includes a body with a pair of body sections keyed together in part by a needle having an elongated bore and a side opening. A push rod is engageable with the bar section to push the bar section through the needle bore while its filament section extends through the slot. Opposed operating levers are pivotally mounted on opposite sides of the body. Each lever carries a cam. A first carrier is mounted by the body and a second carrier is mounted by the first carrier. The push rod is connected to the second carrier. The first carrier has a pair of carrier members and each carrier member carries a post which rotatably mounts a gear. The carrier members are connected by a pin which rotatably mounts a pair of rollers. Each cam cooperates with a respective roller. A rack is secured to each body section and the second carrier has a pair of racks. Each gear meshes with a respective body section rack and a respective second carrier rack. A pawl is coupled to the first carrier through a lost-motion connection so that only part of the movement of the first carrier is imparted to the pawl. Action of the operating levers causes the cams to drive the rollers to in turn drive the first carrier. Movement of the first carrier causes the racks and gears to drive the push rod forward through a distance Docket M-318 twice as great as movement of the first carrier. Near the end of the forward movement of the push rod, the pawl is moved to a ready position. A spring acting on the first carrier returns the carriers, the levers and the push rod to their respective initial positions and moves the pawl away from its ready position to drive a toothed wheel of a fastener advancing means to bring a bar section of the next successive fastener into alignment with the needle bore. The pawl is cooperable with a cam disposed at a preselected position so that the toothed wheel with which the pawl cooperates can be driven through a preselected angle.
393039
Borden Ladner Gervais Llp
Monarch Marking Systems Inc.
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