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US Patent: 379,504
Wrench
Combined Wrench and Clamp for Tire-Bolts
Patentee:
John Byrne - Sharon, WI

USPTO Classifications:
81/56

Tool Categories:
wrenches : tire bolt wrenches

Assignees:
John Byrne - Sharon, WI
Charles R. Treat - Sharon, WI

Manufacturer:
Byrne and Ziegaus - Sharon, WI

Witnesses:
H. M. Munday
Sew. E. Curtis
George C. Mansfield
Harry T. Fowler

Patent Dates:
Applied: Oct. 28, 1887
Granted: Mar. 13, 1888

Patent Pictures: [ 1 | 2 ]
John Byrne Pat. March 13, 1888
USPTO pdf tiff
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Description:
The pivot point for the clamping handle is adjustable, and the socket is driven by an offset crank through a gear train.

Also produced as the Stanley No. 1, and as an unmarked tool; production continued into the 1920s.

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