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US Patent: 2,565,628
Differential Screw Adjustment
Patentee:
Paul F. Ravilious (exact or similar names) - Wilmington, DE

USPTO Classifications:
409/219, 74/424.75, 74/89.35, 74/89.45, 82/137

Tool Categories:
metalworking machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Oct. 29, 1946
Granted: Aug. 28, 1951

Patent Pictures:
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Description:
McMorrow, Berman & Davidson - patent attorneys

My invention relates to adjusting devices for working tables on machine tools and the like and more particularly to adjusting devices for fine adjustments. The object of my invention is to provide an adjusting device adapted to impart to the working table or the like, which is to be adjusted relative to the tool, at will a fast preliminary adjustment or a slower, finer and more accurate adjustment. Other objects of my invention may appear in the following specification describing my invention with reference to the accompanying drawings illustrating a preferred embodiment of my invention.

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