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US Patent: 2,499,273
Belt shifter
Patentee: Max Leach (exact or similar names) - Providence, RI USPTO Classifications: 15/390, 474/129 Tool Categories: specialty tools : belt shifters industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms Assignees: H. Leach Machinery Co. - Providence, RI Manufacturer: H. Leach Machinery Co. - Providence, RI Witnesses: Unknown	Patent Dates: Applied: Dec. 29, 1945 Granted: Feb. 28, 1950 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: This belt shifter is intended for a bench-mounted polishing lathe, i.e., a buffing mandrel.

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