US Patent: 562,497
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| Wrench
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Patentee:
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| Frank Stewart Smith (exact or similar names) - Chicago, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 07, 1896 |
| Granted: |
Jun. 23, 1896 |
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Patent Pictures:
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Frank Stewart Smith patent June 23, 1896 |
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Stan Schulz
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Description: |
| Combination quick- and screw-adjust pocket wrench with the adjusting worm held in engagement with rack teeth on the main shank by a pair of helical springs.
Corresponding Canadian patent no. CA-58,059 was issued August 1, 1896; British patent GB-189613900 was registered June 23, 1896.
Improved by patent no. 591,061. |
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