US Patent: 1,366,770


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Gearing

Patentee:

Frank M. Davis (exact or similar names) - Milwaukee, WI

USPTO Classifications:

74/427, 74/440

Tool Categories:

metalworking machines : metalworking machine mechanisms : metalworking machine gearing

Assignees:

None

Manufacturer:

Davis & Thompson Co. - Milwaukee, WI

Witnesses:

Unknown

Patent Dates:
Applied:	May 24, 1920
Granted:	Jan. 25, 1921

Patent Pictures:

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Vintage Machinery entry for Davis & Thompson Co.

Description:

"The object of the invention is to provide a simple and effective means for taking up the back-lash on worm gearing and is particularly useful on machines where accurate work is done."