US Patent: 533,386 - Nut Wrench


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US Patent: 533,386

Nut Wrench

Patentee:

George B. Upshaw (exact or similar names) - Abilene, KS

USPTO Classifications:

81/124.6, 81/62

Tool Categories:

wrenches : ratchet wrenches

wrenches : socket wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Jul. 20, 1894
Granted:	Jan. 29, 1895

Patent Pictures:

George B. Upshaw patent January 29, 1895

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Description:

Reversible ratchet wrench with replaceable sockets that attach to square extensions of the central ratchet hub. A sliding piece within the handle works to disengage one or other of the ratchet pawls.