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US Patent: 1,188,801
Adjustable Ratchet Wrench
Patentee:
John C. McEwen (exact or similar names) - Bridgeville, PA

USPTO Classifications:
81/163, 81/60

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Edw. S. Hall
Wm. Webster Downing
F. S. Martin
W. W. Wall

Patent Dates:
Applied: Oct. 14, 1915
Granted: Jun. 27, 1916

Patent Pictures:
John C. McEwen patent June 27, 1916
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Description:
The adjustable jaws fit on dovetail slides and are removable; the adjustment of the adjustable jaws is accomplished by a left- and right-hand threaded rod and knurl. The ratchet action is hand-selected by a spring-loaded sliding catch.

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