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US Patent: 74,615
Hammer
Patentee:
Otis Shepard - Alton, IL

USPTO Classifications:
7/139, 7/143, 81/129.5

Tool Categories:
woodworking tools : hammers
combination tools
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Stephen Lavenue
Achilles Lavenue
Joseph Dickson
Samuel S. Boyd

Patent Dates:
Granted: Feb. 18, 1868

Patent Pictures:
Otis Shepard patent Febr. 18, 1868
USPTO pdf tiff
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Description:
The hammer head has grooves on each side which act as adjustment stops for a sliding wrench jaw. A spring which can be inserted into the grooves acts to hold the adjustment. The jaw faces on opposite sides are spaced differently so that each adjustment stop provides two sizes of wrench opening.

The specifications say the handle could be of any material although the drawing shows a metal shank with a screwdriver tip.

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