US Patent: 2,193,279 - Lathe headstock


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US Patent: 2,193,279

Lathe headstock

Patentees:

Howard E. Darby (exact or similar names) - Cincinnati, OH

Harry C. Kemper (exact or similar names) - Cincinnati, OH

William F. Groene (exact or similar names) - Cincinnati, OH

USPTO Classifications:

82/143

Tool Categories:

metalworking machines : metal lathes : metal lathe mechanisms

Assignees:

R. K. LeBlond Machine Tool Co. - Cincinnati, OH

Manufacturer:

R. K. LeBlond Machine Tool Co. - Cincinnati, OH

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 12, 1937
Granted:	Mar. 12, 1940

Patent Pictures:

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Vintage Machinery entry for R. K. LeBlond Machine Tool Co.

Description:

Single-lever control to select low-back-gear, high-back-gear for both coarse and fine threading operations. The selection can be made without stopping the lathe.