US Patent: 291,961 - Carriage Wrench


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US Patent: 291,961

Carriage Wrench

Patentee:

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

USPTO Classifications:

81/124.1, 81/124.7, 81/125

Tool Categories:

wrenches : axle nut wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Jul. 18, 1883
Granted:	Jan. 15, 1884

Patent Pictures:

David True Pat. January 15, 1884

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Description:

This improvement on True's January 30, 1883 patent (no. 271,549) adds a spring to the plunger, and the "T" handles can rotate relative to the central handle. True's patents 292,186 and 305,767 represent additional developments on this wrench.