Tag attaching apparatus

Apparatus for attaching tags using fasteners, the fasteners being arranged in an assembly, each fastener including a bar section and a head section joined by a filament section, the fasteners being coupled to a common carrier member by respective coupling members, the apparatus comprising:

• a body, a hollow needle having an elongated slot along one side supported by the body and extending outwardly of the body, a push rod supported by the body for driving a bar section of a fastener through the needle while a filament section of the fastener extends through the slot, means engageable with the coupling members for feeding the fastener assembly to bring the bar sections one-at-a-time along a path into alignment with the push rod, means for severing the bar sections from the respective coupling members, the feeding means including a toothed wheel, a pawl for engaging the wheel to advance the wheel, the pawl being movable between first and second positions, and means for moving the push rod and the pawl in a sequence in which the push rod is moved to effect severing of the bar section by the severing means and to effect movement of the bar section through the needle while the respective filament section passes along the slot and in which the pawl is moved from the first position to the second position and in which the pawl is thereafter moved to the first position to advance the toothed wheel, wherein the moving means includes gears, a lost-motion drive connection between the pawl and one of the gears, a spring for normally urging the pawl from the second position to the first position, and means controlled by the moving means for preventing the spring from moving the pawl from the second position to the first position to advance the toothed wheel until after the push rod has moved clear of the path of movement of the bar sections.

Apparatus for attaching tags using fasteners, the fasteners being arranged in an assembly, each fastener including a bar section and a head section joined by a filament section, the fasteners being coupled to a common carrier member by respective coupling members, the apparatus comprising:

• a body, a hollow needle having an elongated slot along one side suppported by the body and extending outwardly of the body, a push rod supported by the body for driving a bar section of a fastener through the needle while a filament section of the fastener extends through the slot, means engageable with the coupling members for feeding the fastener assembly to bring the bar sections one-at-a-time along a path into alignment with the push rod, means for severing the bar sections from the respective coupling members, the feeding means including a toothed wheel, a pawl for engaging the wheel to advance the wheel, the pawl being movable between first and second positions, and means for moving the push rod and the pawl in a sequence in which the push rod is moved to effect severing of the bar section by the severing means and to effect movement of the bar section through the needle while the respective filament section passes along the slot and in which the pawl is moved from the first position to the second position and in which the pawl is thereafter moved to the first position to advance the toothed wheel, wherein the moving means includes gears, a drive face driven by one of the gears, the pawl having an abutment face with the drive face cooperating to drive the pawl from the first position to the second position, a spring for normally urging the pawl from the second position to the first position, and a latch mounted by the body for preventing the spring from moving the pawl from the second position to the first position to advance the toothed wheel until the push rod has moved clear of the path of movement of the bar sections.

Apparatus for attaching tags using fasteners, the fasteners being arranged in an assembly, each fastener including a bar section and a head section joined by a filament section, the fasteners being coupled to a common carrier member by respective coupling members, the apparatus comprising:

• a body, a hollow needle having an elongated slot along one side supported by the body and extending outwardly of the body, a push rod supported by the body for driving a bar section of a fastener through the needle while a filament section of the fastener extends through the slot, means engageable with the coupling members for feeding the fastener assembly to bring the bar sections one-at-a-time along a path into alignment with the push rod, means for severing the bar sections from the respective coupling members, the feeding means including a toothed wheel, a pawl for engaging the wheel to advance the wheel, the pawl being movable between first and second positions, and means for moving the push rod and the pawl in a sequence in which the push rod is moved to effect severing of the bar section by the severing means and to effect movement of the bar section through the needle while the respective filament section passes along the slot and in which the pawl is thereafter moved to advance the toothed wheel, wherein the pawl includes a toothed member cooperable with the toothed wheel and a link member, the link member having first and second abutment faces, the moving means including gears, one of the gears having a projection cooperable with the first abutment face to move the pawl from the first position to the second position, the projection having a drive face, a spring for urging the pawl from the second position, a latch mounted by the body and having a first abutment face cooperable with the drive face and the latch having a second abutment face cooperable with the second abutment face of the link member, the drive face being cooperable with the first abutment face of the latch to trip the latch after the push rod has moved clear of the path of the bar sections to allow the spring to move the pawl from the second position to the first position to effect operation of the feeding means.

Apparatus for attaching tags using fasteners, the fasteners being arranged in an assembly, each fastener including a bar section and a head section joined by a filament section, the fasteners being coupled to a common carrier member by respective coupling members, the apparatus comprising:

• a body, a hollow needle having an elongated slot along one side supported by the body and extending outwardly of the body, a push rod supported by the body for driving a bar section of a fastener through the needle while a filament section of the fastener extends through the slot, means engageable with the coupling members for feeding the fastener assembly to bring the bar sections one-at-a-time along a path into alignment with the push rod, means for severing the bar sections from the respective coupling members, the feeding means including a toothed wheel, a pawl for engaging the wheel to advance the wheel, the pawl being movable between first and second positions, and means for moving the push rod and the pawl in a sequence in which the push rod is moved to effect severing of the bar section by the severing means and to effect movement of the bar section through the needle while the respective filament section passes along the slot and in which the pawl is thereafter moved to advance the toothed wheel, wherein the pawl includes a toothed member cooperable with the toothed wheel and a link member coupled to the toothed member, the link member having first and second abutment faces, the moving means including a slide having rack teeth, means mounting the slide for straight line movement, the push rod being connected to the slide, a manually operable lever pivotally mounted to the body, a gear segment driven by the lever and meshing with the rack teeth, a projection carried by the gear segment, the projection having a drive face, a latch having first and second abutment faces, a spring urging the latch toward the link member, a spring acting on the link member for urging the pawl to a first position, and return spring means for urging the slide, the push rod, the gear segment and the lever to their respective initial positions, the drive face being engageable with the first abutment face of the link member to drive the pawl from the first position to the second position which allows the latch spring to move the second abutment face of the latch into abutment with the second abutment face of the link member, the drive face being engageable with the first abutment face of the latch to counteract the latch spring and move the second abutment face of the latch out of latching cooperation with the second abutment face of the link member to allow the pawl spring to move the pawl from the second position to the first position.

Apparatus for attaching tags using fasteners, the fasteners being arranged in an assembly, each fastener including a bar section and a head section joined by a filament section, the fasteners being coupled to a common carrier member by respective coupling members, the apparatus comprising:

• a body, a hollow needle having an elongated slot along one side supported by the body and extending outwardly of the body, a push rod supported by the body for driving a bar section of a fastener through the needle while a filament section of the fastener extends through the slot, means engageable with the coupling members for feeding the fastener assembly to bring the bar sections one-at-a-time along a path into alignment with the push rod, means for severing the bar sections from the respective coupling members, the feeding means including a toothed wheel, a pawl for engaging the wheel to advance the wheel, the pawl being movable between first and second positions, and means for moving the push rod and the pawl in a sequence in which the push rod is moved to effect severing of the bar section by the severing means and to effect movement of the bar section through the needle while the respective filament section passes along the slot and in which the pawl is thereafter moved to advance the toothed wheel, wherein the moving means includes a drive face for moving the pawl from the first position to the second position, a spring for moving the pawl from the second position to the first position, and means mounted by the body for preventing the spring from moving the pawl from the second position until after the push rod has moved clear of the path of movement of the bar sections.