US1633755A - Cutting machine - Google Patents

Description

June 28 1927- P. WOLKOGON-WOLYNSKI CUTTING MACHINE Filed Nov 6. 1925 I n van/0r: 'fma w -W Patented June 28, 1927. I

UNITED STATES PATENT OFFICE.

PAUL WOLKOGON-WOLYNSKI, OF BIELEFELD, GERMANY.

CUTTING MACHINE.

Application filed November 6, 1925, Serial No. 67,307, and in Germany November 6, 1924.

Shaped leather pieces for soles, heels and is spring-pressed at p is formed with an the like were hitherto mostly made in manuelongated slot therein mounted over a guidefacturing works by means of extensive and pin 8 in such a way that the cutter is precostly machines. In small shoemakers vented from slipping along the table a or the 6 workshops or shoe repair shops, such shaped work-piece thereon. The bracket 5 carries pieces were generally cut byhand with the near its top end a fixed abutment t that aid of an appropriate knife, which results serves to limit the downward movement of however in a considerable waste of matethe pressure-arm (Z and thus the stroke of rial, while said cutting could mostly be done the cutter 2', which thereby penetrates the 10 by strong and skilled persons only. Wooden insertion c for a very shallow depth The present invention provides an imonly. I proved machine for cutting such shaped Besides, the loose guiding of the holder 7i leather pieces, the novelty consisting mainly on the lower guide-bolt 7c of the pressurein the fact that the pressure-bar of said bar m permits an adjustment of the cutter 15 machine carrying the cutter of the same is i in any direction and thus to any desired directly pivoted to a pressure-lever so as to angle, so that the cutting work is considerbe movable over the table of the machine. ably facilitated and can be carried out by The accompanying drawing illustrates the unskilled persons. improved machine: Fig. 1 is a side View par- What I claim is: a

tially shown in cross-section, Figs. :2 and 3 1. In a machine for cutting shaped leather are respectively a longitudinal section and pieces, the combination of a table and an ina cross-section through the lower end of the tegral bracket thereon, a. pressure-lever fulpressure-bar with the cutter, while Figs. 4 crumed on said bracket, a pressure-bar at and 5 are cross-sectional views of the upper its upper end pivoted to said pressure-lever I end of the pressure-bar. so as to be movable over the whole table The machine comprises a table or having and adapted to be depressed by said lever an integral upwardly projecting bracket 6. and a cutter on the lower end of said pres Said table carries a wooden insertion 0 with sure-bar, substantially as set forth. a slightly concave upper surface. In the 2. In a machine as specified in claim 1, a 30 upper end of the bracket 6 a two-armed guide-bolt on the lower end of said pressurelever (Z is fulcrumed and at its rear arm (Z bar, and a holder for said cutter loosely acted upon by a draw-spring e tending to mounted on said guide-bolt so as to be turnpull said arm continuously downwards, able thereon, substantiallyas set forth. while its front arm is at its end connected 3. In a machine as specified in claim -1, by a chain or the like with a treadle g a guide-bolt on the lower end of said preslinked to the foot of the table a. The cutter sure-bar, a holder for said cutter loosely 2' with straight cutting-edge is detachably mounted on said guide-bolt so as to be turrifixed in a holder it, that is loosely mounted able thereon, and means to automatically on the lower guide-bolt 7c of a Presser-bar return said cutter to its raised position after 40 m, which is pivoted at its upper end by a complete depression of said pressure-bar,

ball-joint n in a bearing 0 of the lever (Z so substantially as set forth. l as to be movable over the concave wooden In testimony whereof I have hereunto set insertion c. To permit, after complete demy hand in the presence of two subscribing pression of the lever and thus of the cutter witnesses. 45 i, the latter returning automatically to its raised position, a bolt r in the holder k that PAUL l/VOLKOGON-IVOLYNSKI.

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