Method and apparatus for attaching a slider pull tab

Details Method and apparatus for attaching a slider pull tab Method and apparatus for attaching a slider pull tab

1994-08-17

1995-06-27

Echols, P. W.

Metal working

Method of mechanical manufacture

Of a slide fastener

29766, 29407, 29 332, B41H 3706, B21D 5350

Patent

active

054268400

ABSTRACT:
An apparatus for attaching pull tabs automatically one at a time onto a slider body comprises a pull tab transport unit, a clamper applying unit and a clamping unit. The transport unit includes a pull tab transfer chute having a pair of elongate horizontal guide rails defining therebetween a guide slit along which a series of pull tabs are fed for attachment one at a time onto sliders transferred along a horizontally extending chute. A clamper pusher is provided for moving a clamper of the slider pivotally through 90.degree. to lie substantially parallel with the guide slit of the pull tab chute. A transfer conveyor operatively associated with the clamper applying unit is movable along a rectangular path to move and set the pull tab in position for connection and clamping with the slider.

REFERENCES:
patent: 2354690 (1944-08-01), Lawson
patent: 2693217 (1954-11-01), Lange
patent: 2825126 (1958-03-01), Legat et al.
patent: 4051710 (1977-10-01), Kobayashi
patent: 5031307 (1991-07-01), Yoneda et al.
patent: 5067221 (1991-11-01), Oyama
patent: 5174017 (1992-12-01), Hatagishi

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