US Patent: 1,123,423


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

Wrench

Patentee:

William S. Thomson (exact or similar names) - Plantsville, CT

USPTO Classifications:

81/165

Tool Categories:

wrenches : wrench adjustment types : screw adjust wrenches

wrenches : wrench components : wrench jaw components

Assignees:

H. D. Smith and Company - Plantsville, CT

Manufacturer:

H. D. Smith and Company - Plantsville, CT

Witnesses:

Patent Dates:
Applied:	Nov. 17, 1911
Granted:	Jan. 05, 1915

Patent Pictures:

William S. Thomson patent January 5, 1915

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz

Description:

The patent is an improvement in components of the wrench shank, head and adjustable jaw. Through pins connect the head and movable jaw. This patent and Thomson's earlier patent (no. 1,061,339, granted May 13, 1913, are the basis for the Perfect Handle adjustable open end wrenches, although most extant examples do not have the through pins and slots from this patent.