Method and apparatus for registering and clamping large workpiec

Details Method and apparatus for registering and clamping large workpiec Method and apparatus for registering and clamping large workpiec

1986-12-29

1987-09-22

Hunter, H. Hampton

Sewing

Elements

Frames

11212112, 11212115, D05B 2100

Patent

active

046947663

ABSTRACT:
Method and apparatus are disclosed for registering and clamping the vamp portion of a boot relative to a flat boot shaft. Each side of the vamp portion of the boot is substantially folded in order to achieve registration with the previously registered and clamped boot shaft. Clamping of each substantially folded side of the vamp occurs in such a manner as to not distort the fold. The folded vamp is otherwise securely clamped so as to permit an automatic join and sew operation with respect to the registered and clamped flat boot shaft.

REFERENCES:
patent: 3739733 (1973-06-01), Schramayr
patent: 3988993 (1976-11-01), Brophy
patent: 4171672 (1979-10-01), Dorosz et al.
patent: 4510876 (1986-04-01), Garley et al.

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