Pulling over mechanism

Details Pulling over mechanism Pulling over mechanism

1976-04-02

1976-12-14

Lawson, Patrick D.

Boot and shoe making

Lasting machines

Nippers

A43D 2300

Patent

active

RE0290696

ABSTRACT:
A pulling over mechanism for stretching about a last toe portion of an upper that is mounted on the last preparatory to wiping the margin of the toe portion of the upper against an insole that is located on the last bottom. The mechanism includes pincers jaws that are caused to grip the upper margin under relatively light force while the last is raised to allow the upper margin to slip between the pincers jaws. After the last has completed its rise, the pincers jaws are caused to grip the upper margin under relatively heavy force so as to preclude slippage of the margin between the pincers jaws if the pincers should be lowered to relocate the stretched upper on the last.

REFERENCES:
patent: 3233261 (1966-02-01), Kamborian et al.
patent: 3579693 (1971-05-01), Robinson
patent: 3715767 (1973-02-01), Muhlbach et al.

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