CA Patent: CA-2,460
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Improvements in Wrenches
Wilkinson's Monkey Wrench
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Patentee:
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| Leonard Wilkinson (exact or similar names) - Strathroy, ON Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 22, 1873 |
| Granted: |
Jun. 14, 1873 |
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Patent Pictures:
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Leonard Wilkinson patent June 14, 1873 |
CIPO Data
Espacenet patent
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Stan Schulz
Search Canadian Patents 1869-1894
Canadian patent no. 2,460 in FLICKR
2,460 in Canadian Patents Database
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Description: |
| A cam lever on the back side of the movable jaw acts as a clamp to hold the jaw in the adjusted position. The lower portion of the movable jaw has teeth that engage a rack on the shank. The shank is strengthened toward the fixed jaw.
U.S. patent 102,307 of April 26, 1870 has a similar cam lever clamp, but includes an intermediate block between the wrench shank and cam lever. |
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