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US Patent: 112,108
Wrench
Patentee:
Elias Beach - Titusville, PA

USPTO Classifications:
81/127, 81/166

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : wrench components : wrench adjustment locks
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. E.H. Johnson
J.W. Hamilton Johnson
E. A. Dick

Patent Dates:
Granted: Feb. 28, 1871

Patent Pictures:
Elias Beach Pat. Feb. 28, 1871
USPTO pdf tiff
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Description:
Teeth on the handle engage rack teeth on the movable jaw. The threaded rod and nut serve as a limit stop or adjustment lock for the movable jaw. The teeth on the handle disengage from the jaw rack teeth when the handle is set at right angles to the jaw, which allows the jaw to be reset in relation to the handle.

Beach's parallel patent (no. 112,109) has a similar adjustment mechanism for a pipe wrench.

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