Method and apparatus for clamping and manipulating workpieces du

Details Method and apparatus for clamping and manipulating workpieces du Method and apparatus for clamping and manipulating workpieces du

1988-08-01

1989-07-11

Hunter, H. Hampton

Sewing

Elements

Frames

1122652, D05B 9700, D05B 2100

Patent

active

048460877

ABSTRACT:
The present invention relates to a method and apparatus for clamping and manipulating clothing components with respect to a double needle sewing machine so as to automatically attach and finish stitch a left fly to a front panel of a jeans style garment. The apparatus includes a work holding carriage which translates along a path generally perpendicular to a plane containing dual sewing machine needles. A pair of rotatable discs which are mounted on the carriage in nested fashion and rotate about spaced apart centers of rotation. The axes for the centers of rotation extend substantially perpendicular to the carriage and generally parallel to the dual sewing machine needles. The invention not only encompasses a method for carrying out the sewing operations, but also an apparatus including a drive mechanism for the trasversing carriage, a rotating mechanism for each of the nested rotating discs and a clamping apparatus for holding and positioning the aseembled fly with respect to the jeans panel.

REFERENCES:
patent: 882480 (1908-03-01), Rontke
patent: 2894469 (1959-07-01), Van Amburg et al.
patent: 3750604 (1973-08-01), Carrel et al.
patent: 3752097 (1973-08-01), Fuller, Jr. et al.
patent: 3765349 (1973-10-01), Gerber
patent: 4434731 (1984-03-01), Beisler
patent: 4467736 (1984-08-01), Perlino
patent: 4592295 (1986-06-01), Cordier
patent: 4601249 (1986-07-01), Frye
patent: 4736695 (1988-04-01), Junemann

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