DE Patent: 1,153,585 - Regulating hydraulic drives for grinding machines by radial displacement of a ring surrounding the rotor of the pump


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DE Patent: DE-1,153,585

Vorrichtung zur regelung hydraulischer antriebe, insbesondere fuer schleifmaschinen, durch radiale verschiebung eines den rotor der pumpe umgebenden ringes
Regulating hydraulic drives for grinding machines by radial displacement of a ring surrounding the rotor of the pump

Patentees:

Walter Ernst (exact or similar names) - Dayton, OH

Frederick G. Krafft (exact or similar names) - Springfield, OH

USPTO Classifications:

Tool Categories:

metalworking machines : grinding machines

metalworking machines : metalworking machine mechanisms : hydraulic apparatus

Assignees:

Thompson Grinder Co. - Dayton, OH

Manufacturer:

Thompson Grinder Co. - Springfield, OH

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 04, 1958
Granted:	Aug. 29, 1963

Patent Pictures:

Espacenet patent
Report data errors or omissions to steward Jeff Joslin
"Vintage Machinery" entry for Thompson Grinder Co.