US Patent: 1,289,937
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| WRENCH
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Patentee:
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| Anthony C. Shade (exact or similar names) - Los Angeles, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 05, 1918 |
| Granted: |
Dec. 31, 1918 |
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Patent Pictures:
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Patent 1,289,932 - edited drawing |
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Stan Schulz
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Description: |
| The patent is for the internal structure of the clamp and release mechanism for the toothed gripping piece within the movable jaw. The gripping piece works against rack teeth on the main shank. Pushing the button releases the gripper, allowing for quick adjustment. |
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