US Patent: 14,424


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US Patent: 14,424

Wrench

Patentee:

Erastus Tracy (exact or similar names) - Troy, NY

USPTO Classifications:

137/906, 81/129.5, 81/97

Tool Categories:

wrenches : nut wrenches

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

E. Bell

Jesse Moore

Patent Dates:
Granted:	Mar. 11, 1856

Patent Pictures:

Erastus Tracy patent March 11, 1856

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Description:

Quick-adjust nut wrench. The upper portion of the sliding jaw has a coil spring bearing on the front face of the main bar. The lower portion of the sliding jaw has teeth engaging a rack on the front face of the main bar.