US Patent: 177,521
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Wrenches Improved Carriage-Wrench
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Patentee:
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Benjamin F. Joslyn (exact or similar names) - Worcester, MA |
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Patent Dates:
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Applied: |
Feb. 26, 1876 |
Granted: |
May 16, 1876 |
Patent Pictures:
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Benjamin F. Joslyn Pat. May 16, 1876 |
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Stan Schulz
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Description: |
The movable jaw slides on the bar which also forms the handle; the faces of the jaw surfaces are rough to maintain a grip on the axle nut when the jaws are tightened. The movable jaw has an extended "chamber" to protect the threads of the adjusting screw.
A known malleable iron example marked "B.F. JOSLYN'S PATENT MAY 16 1876" is 12.5 inches long, and was found on a farm sale near Worcester, Mass. |
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