US Patent: 623,793
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| Tire Bolt Wrench
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Patentee:
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| Walfrid Larson (exact or similar names) - Kingsburg, CA |
| USPTO Classifications: |
| 81/56 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 22, 1898 |
| Granted: |
Apr. 25, 1899 |
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Patent Pictures:
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Walfrid Larson patent April 25, 1899 |
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Stan Schulz
LARSON Tire-Bolt Wrench (edited from SCIENTIFIC AMERICAN - FLICKR)
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Description: |
| A spring helps press the socket against the nut to be turned; the socket is turned by a crank and gear drive. The bolt holder and wrench socket are on opposing "jaws" of a tongs type tool.
Corresponding Canadian patent CA-63,152 was granted to Larson and Oskar John Davidson on May 27, 1899. In that patent application Larson's signature reads, "Walfrid Larson, Blacksmith." |
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