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CA Patent: CA-56,125
Wrench
Patentee:
John Elmer Wood (exact or similar names) - Beverly, MA

USPTO Classifications:

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Andrew J. Langdon, Jr.
Frank W. Philbrick
L. Nat. Bureau
P. Nat. Bureau

Patent Dates:
Applied: Mar. 15, 1897
Granted: Jun. 04, 1897

Patent Pictures:
John Elmer Wood patent June 4, 1897 edited from CANADIAN PATENT OFFICE RECORD
CIPO Data
Report data errors or omissions to steward Stan Schulz
56,125 in Canadian Patents Database
Description:
Compound leverage strengthens the jaw grip. The jaws could be configured as an alligator type pipe wrench, or alternate form as shown in the drawing. A spring facilitates spreading the handles to relax the jaw grip.

Corresponding U.S. patent no. 573,070 was issued December 15, 1896.

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