US Patent: 456,143


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US Patent: 456,143

Wrench

Patentee:

Henry J. Gilcher (exact or similar names) - Cleveland, OH

USPTO Classifications:

81/166, 81/177.1

Tool Categories:

wrenches : wrench adjustment types : screw adjust wrenches

wrenches : wrench components : wrench handle components

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Sep. 25, 1889
Granted:	Jul. 21, 1891

Patent Pictures:

Henry J. Gilcher patent July 21, 1891

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Description:

The adjusting nut sets in a "recess" in the shank. Extensions on the movable jaw with partial threads fit along the sides of the shank. The handle can be tightened against the base of the adjusting nut to compensate for wear.