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US Patent: 530,109
Carriage or Wagon Jack
Patentee:
Samuel J. Johnston - Leesburg, VA

USPTO Classifications:
254/32

Tool Categories:
wrenches : axle nut wrenches : axle nut wrench combination tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
D. P. Wolhaupter
E. K. Stewart
John H. Siggers
Geo. G. Shoemaker

Patent Dates:
Applied: Jul. 19, 1894
Granted: Dec. 04, 1894

Patent Pictures:
Samuel J. Johnston patent December 4, 1894
USPTO pdf tiff
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Description:
The tool has an axle nut wrench. The patented aspect of the tool is the adjustable overall length of the bowed lever arm with its forked end, and the rest for the end of the axle. The function of the tool is to lift a light carriage axle and wheel, provide a temporary holder for the wheel, and rest the weight of the axle on the wheel.

Johnston's March 22, 1898 patent (no. 601,147) adds features and options in a multi-part version. Another version was patented July 19, 1898 (patent no. 607,439).

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