| 摘要 |
There is disclosed apparatus for attaching tags to a variety of articles by means of fasteners. A typical fastener useable in connection with the apparatus has a bar section at one end, a head or button section at the other end, and these sections are joined by a filament section. The fasteners can be interconnected to provide a unitary fastener assembly. The tag attaching apparatus is illustrated as including a body in which a tubular member such as a needle is mounted. The needle has an elongated bore, a side opening or slot communicating with the bore, a sharp piercing end at one end, a cutting edge at its other end and another slot through which a bar section can enter the bore. The needle has a rack which meshes with a segment of a pinion by which the needle can be driven into or out of the body. The body mounts operating and drive levers, and a one-piece ratchet wheel and feed wheel. A push rod in alignment with the bore is guided for reciprocatable movement in the body and is connected to the drive lever by a pin-and-slot connection. A pawl cooperates with the ratchet wheel and a slide interconnects the pawl with the drive lever. There is a pin-and-slot connection between the drive lever and the slide and there is a pin-and-slot, lost-motion, connection between the slide and the pawl. The slide and the pawl are guided for reciprocatable movement relative to each other and relative to the feed wheel. A spring is used to return the push rod and the levers to their initial positions and to cause the ratchet wheel to be driven to advance the fasteners when the operating handle is released.
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