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US Patent: 1,721,756
Lifting-jack handle and tire-lug wrench
Patentee:
Warren S. Walker (exact or similar names) - Racine, WI

USPTO Classifications:
81/177

Tool Categories:
material handling : jacks : vehicle jacks : automobile and truck jacks
wrenches : automotive specialty wrenches

Assignees:
Walker Mfg. Co. (Racine) - Racine, WI

Manufacturer:
Walker Mfg. Co. (Racine) - Racine, WI

Witnesses:
Unknown

Patent Dates:
Applied: May 25, 1928
Granted: Jul. 23, 1929

Patent Pictures: [ 1 | 2 ]
Patent 1,721,756 -- edited drawing
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Description:
"The general object of the invention is to provide a single tool, as briefly described hereinabove and as described in more detail hereinafter, which is capable of performing the functions of both a lifting jack handle and a tire-lug wrench." Compare another similar Walker patent -- 1,722,723. A combination crank handle and extension for Walker jacks appears in 1928 ads for WALKER No. 500 series jacks with "long folding crank handles."

The jack in the drawing resembles a form in patent no. RE17,050.

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