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US Patent: 49,128
Improved Screw-Wrench
Patentee:
Horace W. Love - Brooklyn, NY

USPTO Classifications:
81/165, 81/170

Tool Categories:
wrenches : wrench components : wrench jaw components
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Horace T. Love
Eugene Bissell

Patent Dates:
Applied: Mar. 21, 1865
Granted: Aug. 01, 1865

Patent Pictures:
Horace W. Love Pat. Aug. 1, 1865
USPTO pdf tiff
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Description:
The patented feature of this adjustable open end wrench is the dovetailed groove and corresponding dovetail shape of the sliding portion of the movable jaw. Love patented a substantial revision in the shape and location of the groove on March 6, 1866 (pat. no. 53016).

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