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US Patent: 28,665
Improved Wrench
Gove's Self-Adjusting Wrench
Patentee:
Andrew I. Gove - San Francisco, CA

USPTO Classifications:
81/135

Tool Categories:
wrenches : nut wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James L. King
F. I. Thibault

Patent Dates:
Granted: Jun. 12, 1860

Patent Pictures:
Andrew I. Gove Pat. June 12, 1860
USPTO pdf tiff
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Description:
The sliding jaw straddles the main shank, and has rack teeth cut on the back side. A lever on the handle engages a cross pin which engages the rack to hold the sliding jaw in position. A small catch on the end of the handle will hold the adjustment.

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