Extensible shoe shaper

Details Extensible shoe shaper Extensible shoe shaper

1984-03-07

1985-11-26

Jaudon, Henry S.

Boot and shoe making

Forms

Lasts

12136R, 12128R, A43D 314, A43D 300

Patent

active

045546940

ABSTRACT:
In an extensible shoe shaper, the toe and heel are connected by means of a kinematic hinge element, formed of a plastic material strip of varying thickness applied by pressure, the configuration of which can be varied--in order to vary the extension of the shaper--by means of a screw handwheel, slidably fixed to the toe and acting on said kinematic element.

REFERENCES:
patent: 149446 (1874-04-01), Compton et al.
patent: 166499 (1875-08-01), Cass et al.
patent: 848038 (1907-03-01), Mackenzie
patent: 870064 (1907-11-01), Weeks
patent: 934556 (1909-09-01), Malmberg
patent: 1232529 (1917-07-01), Gilbertson
patent: 1686133 (1928-10-01), Hill
patent: 1921093 (1933-08-01), Olson
patent: 2000340 (1935-05-01), Marca et al.

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