US Patent: 1,570,586
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| Wrench
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Patentee:
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| Joseph E. Kenerson (exact or similar names) - Cliftondale, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 10, 1924 |
| Granted: |
Jan. 19, 1926 |
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Patent Pictures:
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U. S/ patent 1,570,586 - edited drawing |
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Stan Schulz
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Description: |
| The basic principle in this patent is side lugs to prevent lateral movement of the adjustable jaw. The drawings show a pipe wrench modification of the TRIMO nut wrench of the period; the specifications state the configuration would apply to pipe or nut wrenches.
Kenerson's Jan. 4, 1927 patent 1,613,229 shows a further refinement of the "extended length frame with side lugs" for a pipe wrench in the drawings, although that patent is for the "nut guards." |
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