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US Patent: 186,925
Wrench
Improvements in Adjustable-Grasp Wrenches
Patentee:
William Dicks (exact or similar names) - Clifton, ON Canada

USPTO Classifications:
140/154, 81/128, 81/325, 81/391, 81/423, 81/DIG.4

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : wrench components : pipe jaw attachments for wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James Martin, Jr.
J. F. Theodore Lang
A. G. Heylman

Patent Dates:
Applied: Nov. 25, 1876
Granted: Feb. 06, 1877

Patent Pictures:
William Dicks Pat. February 6, 1877
USPTO (New site tip)
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Description:
The movable jaw can be shifted in relation to the sliding bar by depressing the spring. The lever handle moves the sliding bar to fully tighten the grasp of the jaws. T movable cam can "lock" an adjustment by keeping the sliding bar from moving. The sides of the jaws have grooves to hold auxiliary pipe jaws, axle-nut grasping jaws, and a jaw and handle combination for a tap wrench.

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