US Patent: 473,048
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| Wrench
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Patentee:
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| John Albert Zander (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: |
Nov. 09, 1891 |
| Granted: |
Apr. 19, 1892 |
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Patent Pictures:
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John Albert Zander patent April 19, 1892 |
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Stan Schulz
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Description: |
| Screw-adjust nut wrench. The base of the frame for the adjusting screw can slide a short distance. The handle has a pivot connection to the shank of the fixed jaw. It can swing slightly in relation to the shank of the fixed jaw, and has cam action to tighten the grip. |
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