CA Patent: CA-12,121
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| Safety Nut and Wrench
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Patentee:
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| Henry Anderson (exact or similar names) - San Francisco, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 26, 1880 |
| Granted: |
Dec. 14, 1880 |
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Patent Pictures:
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Henry Anderson patent Dec. 14, 1880 - edited from Canadian Patents Database and Canadian Patent Office Record |
CIPO Data
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Stan Schulz
12,121 in Canadian Patents Database
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Description: |
| A two-part axle nut (forming a "jam" type lock nut), with corresponding set of wrenches with a spring detent so that the two parts of the axle nut can be turned on or off the axle together. |
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