US Patent: 552,106
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| Wrench
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Patentee:
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| Jacob Dinkelacker, Jr. (exact or similar names) - Milnesville, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 10, 1895 |
| Granted: |
Dec. 31, 1895 |
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Patent Pictures:
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Jacob Dinkelacker Jr. patent December 31, 1895 |
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Stan Schulz
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Description: |
| The adjustment is held by wedge-shaped pawls within the movable jaw. The pawls are attached to a "U" shaped plate that is held away from the main shank by a leaf spring. The jaw is adjusted by sliding once the section containing the pawls is pressed out of engagement. The patent includes the detachable pipe gripping jaw inserts. |
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