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US Patent: 3,283,624
Sliding Jaw Wrench With Step-By-Step Actuation by Claw Lever Means
Ted Neff - San Bernardino, CA

USPTO Classifications:
408/103, 81/127, 81/360, D8/22

Tool Categories:
wrenches : pliers type wrenches


Oxwall Tool Company - Flushing, NY


Patent Dates:
Applied: Jan. 22, 1965
Granted: Nov. 08, 1966

Patent Pictures:
Ted Neff patent November 8, 1966 with JAK-LOK plier wrench
USPTO pdf tiff
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A spring-loaded sliding jaw can be slid into size adjustment, with a toothed cam lever providing final grip and holding power. The spring between the jaw and frame holds the jaw sufficiently to allow ratchet-like "jacking" action to close the jaws.

Known example on original OXWALL TOOL COMPANY hanger card is marked JAK-LOK U.S. PAT No. 3,283,624 // JAPAN.

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