GB Patent: GB-1,391,409
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| Wrench
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Patent Dates:
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| Applied: |
Jun. 18, 1973 |
| Granted: |
Apr. 23, 1975 |
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Patent Pictures:
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K. Ono patent GB-1391409 (edited) |
Espacenet patent
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Stan Schulz
GB-1391409 in ESPACENET
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Description: |
| "According to the present invention, there is provided a wrench comprising three curved tightening members pivotally connected to each other, a lever which is pivotally connected to one end of the connected curved tightening members, a clamping member which is pivotally connected to the other end of said connected curved tightening members, and means for removably engaging said clamping member with said lever, said means comprising a pin and a plurality of indentations."
This patent number and corresponding U.S. patent number 3,885,479 appear on some TURNY brand wrenches produced in Japan -- see that DATAMP entry for more details on the wrenches as produced. The ESPACENET record shows equivalent patent numbers for several countries.
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