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US Patent: 995,947
Wrench
Patentee:
John Archie Borland (exact or similar names) - Mina, NV

USPTO Classifications:
81/103

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

Assignees:
John Archie Borland - Mina, NV
Earl Covel - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Wm. Koerth
W. S. McDowell
A. C. Roach
Paul G. Lewis

Patent Dates:
Applied: Jun. 03, 1910
Granted: Jun. 20, 1911

Patent Pictures:
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Description:
This is a quick-adjust "Stillson" pipe wrench. The movable jaw is held by a toothed catch. The catch is on a rocking yoke, and held in engagement by a leaf spring. The movable jaw is housed in a rocking frame, with a compression spring to extend it.

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