Machine for clamping the heel portion of an upper to the corresp

Details Machine for clamping the heel portion of an upper to the corresp Machine for clamping the heel portion of an upper to the corresp

1976-12-06

1978-01-17

Lawson, Patrick D.

Boot and shoe making

Lasting machines

Upper clamps

A43D 2100

Patent

active

040683362

ABSTRACT:
A machine for clamping the heel portion of an upper to the corresponding portion of a form wherein the upper is mounted on the form, disclosed as a last, and the heel portion of the upper is clamped to the form by a clamp pad having a bight that bears against the heel end extremity of the upper and a pair of legs extending forwardly and divergently of the bight that bear against the sides of the heel portion of the upper. The pad legs are each connected to a plate that is located outwardly of its associated pad leg and that is mounted for inward-outward movement, the plates and the pad legs being yieldably urged outwardly. A head is so mounted in intersecting relationship with each plate as to enable the heads to engage the plates and thereby force the plates inwardly to cause the pad legs to bear against the sides of the heel portion of the upper.

REFERENCES:
patent: 2915765 (1959-12-01), Lauretti
patent: 3096531 (1963-07-01), Rockwell
patent: 3325841 (1967-06-01), Leonhardt
patent: 3332096 (1967-07-01), Kamborian et al.

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