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US Patent: 864,806
Wrench
Patentee:
Max Schwendner - Reading, PA

USPTO Classifications:
81/147

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

Assignees:
None

Manufacturer:
M. Schwendner - Reading, PA

Witnesses:
R. A. Boswell
M. A. Bond
Miriam Werner
Charles R. Werner

Patent Dates:
Applied: Feb. 06, 1907
Granted: Sep. 03, 1907

Patent Pictures: [ 1 | 2 ]
Max Schwendner Patent September 3, 1907
USPTO pdf tiff
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Description:
This quick-adjust uses a spring-tensioned sliding jaw with very fine teeth inside that engage a matching rack on the back of the main shank. Examples of the nut wrench are known with the patent date, or marked "PAT APL."

Schwender's distinctively handled quick-adjust pipe wrench uses a similar arrangement with the rack inside the swinging frame. The pipe wrench is marked on the shank of the pipe jaw "M. SCHWENDNER READING PA. U.S.A." and on the handle "PAT APL*D WARRANTED"

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