US Patent: 613,573
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| Wrench
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Patentee:
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| Charles Jacoby, Sr. (exact or similar names) - Croton-On-Hudson, NY |
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Patent Dates:
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| Applied: |
Mar. 24, 1897 |
| Granted: |
Nov. 01, 1898 |
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Patent Pictures:
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1 | 2
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Charles Jacoby, Sr. patent November 1, 1898 |
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Stan Schulz
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Description: |
| The jaws are connected by links. The handle has pivotal attachment to one jaw and moves the other jaw by wedge / cam action. With flat jaws for nuts this results in a non-slip grip. The size of the jaw opening is not adjustable. With alligator type jaws, this results in grip and release action suitable for a pipe wrench.
Known example of the nut wrench version is marked "PATENT APPLIED FOR. // THE JACOBY WRENCH." |
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