Boot and shoe making – Sole and/or heel burnishing machines – Rotary tool
Patent
1983-08-22
1985-12-03
Schroeder, Werner H.
Boot and shoe making
Sole and/or heel burnishing machines
Rotary tool
69 65, A43D 9500, C14B 144
Patent
active
045558230
ABSTRACT:
A machine for the automatic carding of uppers for footwear, having a locking unit of the last formed by two parts, one for locking the last in the heel-zone and the other to support the toe, and positioned on a carriage movable on a bedplate; a template positioning system connected to a lifting unit; a fixed tool-holder unit provided with a rocking arm having a free end with a tool fixed thereto; two similar tool-holder units movable in a transverse direction relatively to the axis along which the carriage slides and symmetrically positioned with reference to the symmetry axis of the bedplate, each tool-holder unit being provided with a tool fixed to the free end of a rocking arm whose work pressure on the upper may be suitably regulated; and a profile-copying system for controlling the movement of the two movable tool-holder units in accordance with the contour of the template.
REFERENCES:
patent: 2249742 (1941-07-01), Brostrom
patent: 2730735 (1956-01-01), Hannable et al.
patent: 3843985 (1974-10-01), Leonhardt
patent: 3975932 (1976-08-01), Vornberger
patent: 4126027 (1978-11-01), Tutt et al.
patent: 4134278 (1979-01-01), Becka
Marazzi Paolo
Pedretti Gaetano
Cerim, S.P.A.
Meyers Steven N.
Schroeder Werner H.
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