US Patent: 2,645,966
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Pipe Wrench With Ratchet-Controlled Movable Jaw
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Patentee:
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George Dewey Mead (exact or similar names) - Crows Landing , CA |
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Patent Dates:
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Applied: |
Aug. 27, 1951 |
Granted: |
Jul. 21, 1953 |
Patent Pictures:
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George D. Mead patent July 21, 1953 |
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Stan Schulz
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Description: |
An internal spring-loaded pawl and "one-way" teeth on the shank of the movable jaw close the grip in ratchet fashion; a means to release the pawl extends outside the wrench frame.
Known examples marked GRIPSO-MATIC PIPE WRENCH BASFORD MFG CO SAN FRANCISCO - PATENT PENDING, or with the patent number. |
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