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US Patent: 2,905,038
Toggle Wrench With Slidable Adjustment for Movable Jaw
Dale D. Paden - Omaha, NE

USPTO Classifications:
81/147, 81/380, 81/384, 81/391

Tool Categories:
wrenches : pliers type wrenches : locking pliers
wrenches : wrench components : wrench jaw components


Paden Mfg. Co. - Omaha, NE


Patent Dates:
Applied: Apr. 24, 1958
Granted: Sep. 22, 1959

Patent Pictures:
Dale D. Paden Patent Sept. 22, 1959
USPTO pdf tiff
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The patent is for the spring-loaded sliding jaw which can engage with a series of rack teeth to adjust the range of jaw opening. These work very well as clamps; the extended bar for the sliding jaw limits its usefulness in tight quarters. Many surviving examples match Paden's March 2, 1966 patent (no. 3,241,410).

The patents cited as references are a historic overview, ranging from 1874 through 1956: 148,259, 174,142, 469,562, 1,163,532, 2,280,005, 2,377,612, 2,399,454, 2,495,699, 2,524,689, and 2,769,359.

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