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US Patent: 3,021,132
John Jesionowski - Schenectady, NY

USPTO Classifications:
269/251, 269/79

Tool Categories:
work holding : vises : metalworking machine vises


Ideal Tool & Die Co. - Schenectady, NY


Patent Dates:
Applied: Oct. 16, 1959
Granted: Feb. 13, 1962

Patent Pictures:
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"Vintage Machinery" entry for Ideal Tool & Die Co.
This vise is a "combination sine plate and vise... in which a vise clamp is free of tension and is held relative to a base by means of a pair of rigidly fixed upstanding members identified in one instance as a stationary or fixed jaw and in the other instance as a screw retaining post... The vise base is so constructed as not to bend or flex either along its lower base portion or at is upwardly extending extremities at opposite ends of the lower base portion as the result of any work holding pressures applied."

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