US Patent: 502,177
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Combined Vise and Winch
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Patentee:
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Martin J. Doherty (exact or similar names) - Philadelphia, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
May 21, 1892 |
Granted: |
Jul. 25, 1893 |
Patent Pictures:
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Martin J. Doherty patent July 25, 1893 |
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Stan Schulz
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Description: |
The vise is tightened by a wing nut; the winch has a ratchet pawl to allow turning in one direction. The handle has wrench openings for both the wing nut and the square end of the winch shaft. The overall tool is intended as a wire stretcher for telephone or telegraph lines. |
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