US Patent: 305,767 - Carriage-Wrench


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US Patent: 305,767

Carriage-Wrench

Patentee:

David True (exact or similar names) - Salisbury, MA

USPTO Classifications:

81/124.7, 81/177.5

Tool Categories:

wrenches : axle nut wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

J. H. Hartnett

Joseph Ishbaugh

Henry W. Williams

Patent Dates:
Applied:	Feb. 08, 1884
Granted:	Sep. 30, 1884

Patent Pictures:

David True patent September 30, 1884

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Description:

Removable sockets for different sizes of axle nuts are held on to the lever arms by a combination of rubber ring and metallic springs. This is True's fifth patent, refining the design that had evolved through patent nos. 271,549, 279,993, 291,961, and 292,186.