US Patent: 333,963


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US Patent: 333,963

Wrench

Patentee:

John Harris Miller (exact or similar names) - Lewistown, PA

USPTO Classifications:

81/134, 81/156

Tool Categories:

wrenches : wrench adjustment types : screw adjust wrenches

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

John Harris Miller - Lewistown, PA

Charles Andrew Zerbe - Lewistown, PA

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Aug. 01, 1885
Granted:	Jan. 05, 1886

Patent Pictures:

John Harris Miller patent January 5, 1886

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Description:

The adjusting screw engages with threads on a spring-loaded flap at the front of the movable jaw. The flap can be folded out to allow the jaw to slide freely.