US Patent: 364,749
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Adjustable Wrench
Adjustable Alligator Wrench
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Patentee:
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| Edward S. Boynton (exact or similar names) - New York, NY |
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Patent Dates:
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| Applied: |
Oct. 01, 1886 |
| Granted: |
Jun. 14, 1887 |
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Patent Pictures:
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Edward S. Boynton Pat. June 14, 1887 |
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Stan Schulz
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Description: |
| The advantages claimed include a thin jaw cross-section. The wrench has one fixed and one movable jaw. The jaws pivot between a pair of dished side plates. Several adjustment options are shown or described in the specifications. The option appearing in the manufactured form is the nut with a tapered face on a bolt extending out from the pivot. Some manufactured wrenches incorporate "stepped jaw" and other improvements patented June 4, 1889 (pat. no. 404,770). |
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