US Patent: 191,761
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Carriage Wrench
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Patentee:
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Eli K. Holley (exact or similar names) - Lockport, NY |
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Patent Dates:
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Applied: |
May 07, 1877 |
Granted: |
Jun. 12, 1877 |
Patent Pictures:
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Eli K. Holley Pat. June 12, 1877 |
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Stan Schulz
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Description: |
The jaws have an internal spring which holds them out against the tapered shell which surrounds them. As the adjusting bolt pulls the jaws into the shell, the jaws tighten. A known example has no legible markings. |
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