US Patent: 645,074
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Wrench
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Patentee:
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Clarence C. English (exact or similar names) - Hood River, OR |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 04, 1898 |
Granted: |
Mar. 13, 1900 |
Patent Pictures:
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Clarence C. English patent March 13, 1900 |
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Stan Schulz
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Description: |
A spring-tensioned locking cam engages rack teeth on the interior of the movable jaw with rack teeth on the main shank. The spring holds the cam "normally engaged." |
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