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US Patent: 220,134
Wrench
Patentee:
Henry Adams French - North Orange, MA

USPTO Classifications:
81/145

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. Sedgwick
C. Neveux
Ansel Harrington
Henry R. Stowell

Patent Dates:
Applied: Jul. 25, 1879
Granted: Sep. 30, 1879

Patent Pictures:
Henry A. French patent September 30, 1879
USPTO pdf tiff
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Description:
The movable jaw contains the adjusting mechanism: a rocking lever with a push button in the lower portion of the movable jaw, and an internal stud with teeth that engage teeth on the main shank. A compression spring holds the teeth in engagement.

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