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US Patent: 918,450
Wrench
Patentee:
Henry F. Howland (exact or similar names) - Cincinnati, OH

USPTO Classifications:
81/154

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Earl K. Franks
Edwin W. Franks
E. F. Stewart
S. P. Hollingsworth

Patent Dates:
Applied: Jun. 01, 1908
Granted: Apr. 13, 1909

Patent Pictures:
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Description:
The movable jaw has a tapered tail. A sliding wedge is kept in engagment by a compression spring. The movable jaw can be slid closed by the hand holding the wrench. The wedging piece must be slid back to allow the jaw to open.

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