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US Patent: 193,667
Wrenches
Improvements in Adjustable Wrenches
Patentee:
Andrew B. Lipsey - West Hoboken, NJ

USPTO Classifications:
81/165, 81/170

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Roper Caloric Engine Mfg. Co. - New York, NY

Witnesses:
C. Lauer
H. W. Sherrill
Sidney Davis

Patent Dates:
Applied: Nov. 03, 1876
Granted: Jul. 31, 1877

Patent Pictures:
Andrew B. Lipsey patent July 31, 1877
USPTO pdf tiff
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Description:
The main features are the slideway in the head, and the side screw to adjust the jaw. The jaw and screw interlock so the wrench is made of three pieces. Some known examples are marked "LIPSEY'S PATENT." Manufacturer name taken from contemporary advertising copy.

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