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US Patent: 552,740
Wrench
Patentee:
Walter L. Bedford - Humboldt, MI

USPTO Classifications:
81/138

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
O. F. Barthel
M. B. O'Dogherty
W. S. Hill
Geo. P. Cummings

Patent Dates:
Applied: Mar. 26, 1895
Granted: Jan. 07, 1896

Patent Pictures:
Walter L. Bedford patent January 7, 1896
USPTO pdf tiff
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Description:
The shank of the movable jaw has a screwdriver. The adjustment is held by a swinging toothed piece that engages rack teeth on the shank of the movable jaw and which is held against those teeth by a cam lever. A spring-loaded stop prevents the movable jaw from sliding out of the frame.

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