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US Patent: 2,860,930
Methods and Devices for Pre-Loading Bearings
Patentee: Erich Schafranik (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 384/49 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking machine bearings Assignees: Abrasive Machine Tool Co. - East Providence, Providence County, RI Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Sep. 22, 1954 Granted: Nov. 18, 1958 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Abrasive Machine Tool Co.

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