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US Patent: 1,459,583
Adjustable Wrench
Patentee:
Otto E. Edstrom - Chicago, IL

USPTO Classifications:
81/138, 81/151

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

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Rudolph I. Berg
Charles W. Hills, Jr.
Fred E. Paesler
James M. O'Brien

Patent Dates:
Applied: Apr. 27, 1921
Granted: Jun. 19, 1923

Patent Pictures: [ 1 | 2 ]
Otto E. Edstrom patent June 19, 1923
USPTO pdf tiff
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Description:
An eccentric lever operates the pawl which holds the adjustment of the slideable movable jaw. A spring tends to close the jaws.

Used in conjunction with patent no. 1,440,381 in the EDSTROM MILWAUKEE WIS. PAT 1-2-23 & 6-9-23 quick adjust wrench.

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