US Patent: 2,452,625
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| Screw and Toggle Adjusted Wrench and Clamp
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Patentee:
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| Henry Alpers (exact or similar names) - Columbus, NE |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 25, 1945 |
| Granted: |
Nov. 02, 1948 |
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Patent Pictures:
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Henry Alpers Pat. Nov. 2, 1948 |
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Stan Schulz
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Description: |
| The movable jaw includes a lever handle and linkage with an "over the center" locking feature. A screw running the length of the tool positions the movable jaw relative to the fixed jaw. A clutch action in the movable jaw prevents moving the adjusting screw when the adjustable jaw is under load. The patent references patent nos. 444923, 723958, 754063, and 2391604. |
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