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US Patent: 64,724
Improvement in steps for upright shafts
Patentee:
Charles R. Tompkins (exact or similar names) - Rochester, NY

USPTO Classifications:
384/240

Tool Categories:
woodworking machines : woodworking machine parts or accessories : woodworking machine lubrication

Assignees:
None

Manufacturer:
Charles R. Tompkins - Rochester, NY

Witnesses:
C. T. Leadley
George Frauenberger

Patent Dates:
Granted: May 14, 1867

Patent Pictures:
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Vintage Machinery entry for Charles R. Tompkins
Description:
Invention is a vertical shaft with an oil reservoir inside it that provides lubrication when the shaft spins. The inventor operated under his own name, and then as the Rochester Wood Tool Manufactory. In 1870, that company had between 50 and 60 employees.

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