Needle assembly for fastener dispensing apparatus

Details Needle assembly for fastener dispensing apparatus Needle assembly for fastener dispensing apparatus

1989-09-15

1991-03-12

Bell, Paul A.

Elongated-member-driving apparatus

With means to shape work or cut product

Means to form opening in work for member

227 99, 227100, B65C 700, A41H 3100, A43D 6900

Patent

active

049986619

ABSTRACT:
A needle assembly for dispensing plastic fasteners as part of a tool having a feed track through which a fastener assemblage is fed, such needle assembly including the needle which is encased in a holder which may be easily secured to and removed from such tool. The holder defines in conjunction with the remainder of the tool at least a major portion of the feed track. The holder may include an antiback device for permitting the motion of the fastener assemblage within such feed track toward the needle but not in reverse direction. Such antiback device may be engagable by the user to deflect the antiback and a fastener feed mechanism within the tool out of the feed track, thereby to permit withdrawal of a fastener assemblage from the tool. The needle comprises a hollow, slotted metal structure, and the holder is a plastic structure which is injection molded around such needle.

REFERENCES:
patent: Re29310 (1977-07-01), Bone
patent: Re29819 (1978-10-01), Bone
patent: 3470834 (1969-10-01), Bone
patent: 3759435 (1973-09-01), Bone
patent: 4526310 (1985-07-01), Lunden et al.
patent: 4690317 (1987-09-01), Hamisch, Jr. et al.

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