US Patent: 956,259
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| Spanner Wrench
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Patentee:
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| George Amborn (exact or similar names) - New York, NY |
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Patent Dates:
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| Applied: |
Feb. 11, 1908 |
| Granted: |
Apr. 26, 1910 |
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Patent Pictures:
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George Amborn Pat. April 26, 1910 |
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Stan Schulz
WILLIAMS RATCHETLESS RATCHET (FLICKR)
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Description: |
| The jaw shape will "rock off" a nut on reverse movement, and allow for a type of ratchet action. The patent drawing shows the wrench in use on a large nut like those used on railroad rail fish plates.
Produced as the "RATCHO" wrench series by J.H. Williams. The salesman's sample - demonstrator featured a 5/16th inch single open end attached to a card bearing a hex nut and explanatory text. |
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