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US Patent: 191,761
Carriage Wrench
Patentee:
Eli K. Holley (exact or similar names) - Lockport, NY

USPTO Classifications:
81/113

Tool Categories:
wrenches : axle nut wrenches

Assignees:
John B. Holley - Salem, NY

Manufacturer:
Unknown

Witnesses:
William S. Grosvenor
James Sangster
C. L. Pond

Patent Dates:
Applied: May 07, 1877
Granted: Jun. 12, 1877

Patent Pictures:
Eli K. Holley Pat. June 12, 1877
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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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