US Patent: 2,750,829
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| Power Drive and Locking Mechanism For Adjustable Jaw Wrenches
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Patentees:
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| William A. Barnes (exact or similar names) - Utica, NY |
| Walter J. Rozmus (exact or similar names) - Whitesboro, NY |
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Patent Dates:
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| Applied: |
Aug. 18, 1953 |
| Granted: |
Jun. 19, 1956 |
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Patent Pictures:
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William A. Barnes and Walter J. Rozmus patent June 19, 1956 with UTICA 92-10 adjustable wrench |
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Stan Schulz
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Description: |
| The adjusting worm can be used in the normal fashion, or the crank lever pulled out, and engaged with the worm for greater leverage on the adjustment. With the lever engaged with the worm, and the clip portion of the lever engaged with the wrench handle, the adjustment mechanism is locked.
Contemporary ads show the wrench in 8, 10, and 12-inch sizes.
The specifications cite pat. nos. 2,596,266 and 2,657,606 as references. |
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