US Patent: 761,324 - Speed Changing Mechanism


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US Patent: 761,324

Speed Changing Mechanism

Patentee:

William L. Schellenbach (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:

74/333

Tool Categories:

metalworking machines : metalworking machine mechanisms : metalworking machine gearing : metalworking speed changing mechanisms

metalworking machines : metal lathes : engine lathes

Assignees:

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

Manufacturer:

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

Witnesses:

Herbert F. Harden

Henry N. Bauer

Patent Dates:
Applied:	Oct. 30, 1903
Granted:	May 31, 1904

Patent Pictures:

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"Vintage Machinery" entry for American Tool Works Co.

Description:

S. F. Herbsleb - patent attorney

Claim:

My invention relates to speed-changing mechanism, and I have shown it in connection with an engine-lathe as applied for varying the speed of the lead-screw.