US Patent: 531,715


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US Patent: 531,715

Wrench

Patentee:

Jacob C. Brown (exact or similar names) - Elmira, NY

USPTO Classifications:

81/128, 81/165

Tool Categories:

wrenches : wrench adjustment types : screw adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Mar. 23, 1894
Granted:	Jan. 01, 1895

Patent Pictures:

Jacob C. Brown patent January 1, 1895

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Description:

The width of the body serves as leverage; the opening of the jaws is set by sliding in or out on tapered slots in the body. The adjustment is accomplished by a yoke operated by a screw.