US Patent: 13,456 - Dale's Adjustable Reversible Ratchet-Wrench


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US Patent: 13,456

Wrench
Dale's Adjustable Reversible Ratchet-Wrench

Patentee:

John D. Dale (exact or similar names) - Philadelphia, PA

USPTO Classifications:

81/155, 81/58.1

Tool Categories:

wrenches : ratchet wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Thomas J. Bewley

George W. Ford

Patent Dates:
Granted:	Aug. 21, 1855

Patent Pictures:

John D. Dale patent August 21, 1955

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Description:

The ratchet head contains adjustable jaws. The jaw adjustment is made by helical threads actuated by protruding knobs. The wrench is reversed by removing and reversing the ratchet head structure.