CA Patent: CA-18,493
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| Wrench
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jan. 21, 1884 |
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Patent Pictures:
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LEE's Wrench patent no. 18,493 from CANADIAN PATENT OFFICE RECORD |
CIPO Data
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Stan Schulz
18,493 in Canadian Patents Database
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Description: |
| The movable jaw has an internal wedge which forces a rack on the jaw to engage a rack on the shank. The toggle at the base of the movable jaw has a pitched slot which tightens and loosens the wedge.
The DATAMP entry for corresponding U.S. patent no. 288,713 includes clearer drawings, and additional information about this patent. |
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