US Patent: 13,597
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Improvement in Wrenches for Turning Screw-Nuts
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Patentee:
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Henry J. Behrens (exact or similar names) - New York, NY |
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Patent Dates:
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Granted: |
Sep. 25, 1855 |
Patent Pictures:
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Henry J. Behrens patent September 25, 1855 |
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Stan Schulz
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Description: |
The adjustable jaw has a toothed eccentric cam held in contact to the wrench bar by a spring, and with a thumb lever to release the grip. The pivot pin of the eccentric extends past the side to serve as a grip to position the movable jaw.
A wrench matching this design is marked "J NEILL PAT SEPT. 25, 1855." |
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