CA Patent: CA-5,749
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Self-Adjusting Wrench
Campbell's Self-Adjusting Wrench
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Patentee:
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| Peter Campbell (exact or similar names) - Hamilton, ON Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 20, 1876 |
| Granted: |
Mar. 02, 1876 |
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Patent Pictures:
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Robert Campbell patent March 2, 1876 |
CIPO Data
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Stan Schulz
Search Canadian Patents 1869-1894
5,749 in Canadian Patents Database
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Description: |
| The intermediate link between the swinging handle and movable jaw is the unique feature of this self-adjusting wrench.
August Kindermann's March 16, 1886 U.S. patent (no. 338,078) has a similar intermediate link.
Campbell's occupation is given as Machinist, with Boiler Maker crossed out. |
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