US Patent: 1,334,156
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| Wrench
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Patent Dates:
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| Applied: |
Nov. 25, 1918 |
| Granted: |
Mar. 16, 1920 |
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Patent Pictures:
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1 | 2
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Lagreid and Becklin Pat. March 16, 1920 |
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Description: |
| The quick-adjust mechanism is a toggle with teeth, that engages an off-center rack on the shank. The design has a provision for an adjustment lock. The wrench based on this patent matches further elaborations and refinements for which Becklin received pat. no 1,656,343 on Jan. 17, 1928. |
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