US Patent: 3,117,658 - Hydraulically Operated Transmission System


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US Patent: 3,117,658

Hydraulically Operated Transmission System

Patentees:

William G. Hoelscher (exact or similar names) - Cincinnati, Hamilton County, OH

Knowlson G. Byar (exact or similar names) - Cincinnati, Hamilton County, OH

Clifford L. Schulte (exact or similar names) - North Long Beach, Los Angeles County, CA

USPTO Classifications:

192/225, 192/3.51, 74/334, 74/339, 74/364, 82/143

Tool Categories:

metalworking machines : metalworking machine mechanisms : hydraulic apparatus

metalworking machines : drilling and boring : drill presses : radial drill presses

metalworking machines : metalworking machine mechanisms : metalworking power transmission

Assignees:

American Tool Works Co. - Cincinnati, Hamilton County, OH

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 07, 1961
Granted:	Jan. 14, 1964

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for American Tool Works Co.

Description:

Claim:

This invention relates to transmission systems of the preselecting type for regulating the speed and feed rates of a machine tool, and is directed more particularly to a hydraulic system wherein the transmission system is regulated by manual operation of direct reading selector aims.