Roughing machine having tool position adjusting mechanism

Details Roughing machine having tool position adjusting mechanism Roughing machine having tool position adjusting mechanism

1976-06-08

1977-05-03

Lawson, Patrick D.

Leather manufactures

Machines

Roughing

12 1R, 12 77, C14B 144, A43D 9500

Patent

active

040206602

ABSTRACT:
A roughing machine for roughing the margin of an upper of a shoe assembly comprised of a last having an insole on its bottom and the upper mounted thereon with the upper margin lying against and being secured to the insole periphery. The machine is so constructed as to enable a roughing tool to engage the upper margin a relatively great or a relatively small distance inwardly of the periphery of the shoe assembly bottom during movement of the upper margin past the roughing tool and the machine incorporates an automatically operable mechanism for placing the roughing tool in one or the other of these positions.

REFERENCES:
patent: 3077098 (1963-02-01), Pearsall et al.
patent: 3298048 (1967-01-01), Dziki et al.
patent: 3400561 (1968-09-01), Bechtold
patent: 3645118 (1972-02-01), Babson
patent: 3843985 (1974-10-01), Leonhardt

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