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US Patent: RE21,795
Machine Tool
Joseph Verderber - Cleveland, OH

USPTO Classifications:
269/58, 409/175, 82/153

Tool Categories:
metalworking machines


Not known to have been produced

none listed

Patent Dates:
Applied: Sep. 25, 1940
Granted: May 06, 1941

Reissue Information:
Reissue of 2,167,189 (Jul. 25, 1939)

Patent Pictures:
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C. F. Heinkel - patent attorney

The present invention provides an easy and convenient means for forming joints between parts of machines first by forming of the parts so that the same can be machined easily and to correct form and fit so that, for subsequent assembling of the parts, no separate fitting is necessary and second the parts will fit together correctly by and during the assembling of the parts and the machine. The present invention also provides a means, as a part of a machine, whereby an adjustment of relatively adjustable parts can be read directly by mechanism on the machine and uses individually insertable blocks in the adjusting mechanism. These blocks are made either of special thicknesses to suit particular requirements or such commercial standard blocks as the well known Johannessen gages. One or more of such gages is inserted into the adjusting mechanism as occasion may require. The present invention also provides a very precise means for setting of parts of a machine and the setting is permanent and can not change its setting by the operation of the machine until manually released.

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