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US Patent: 1,335,736
Belt-shifter
Patentee: George E. Jackson (exact or similar names) - Cincinnati, OH USPTO Classifications: 474/81 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms Assignees: Greaves-Klusman Tool Co. - Cincinnati, OH Manufacturer: Greaves-Klusman Tool Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Oct. 15, 1919 Granted: Apr. 06, 1920 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Greaves, Klusman & Co.
Description: "This invention relates to a means for shifting a belt upon the cone of a driving and of a driven shaft."

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