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US Patent: 2,704,479
Slidable Jaw, Ratchet-Operated Wrench Having A Detachably Pivotally Adjustable Handle
Adjustable Angle Pipe Wrench Handle
Patentee:
Ted Stang - Rockford, IL

USPTO Classifications:
81/167, 81/177.8, 81/58.5

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Tedd Products Co. - Rockford, IL

Witnesses:
none listed

Patent Dates:
Applied: Jan. 07, 1953
Granted: Mar. 22, 1955

Patent Pictures: [ 1 | 2 ]
Ted Stang patent March 22, 1955
USPTO pdf tiff
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Pat. 2704479 at Timeless Tools & Treasures
Description:
The key element of the patent is a ratchet connection between the handle and the frame holding the adjustable jaw. This allows for adjusting the angle between the head and handle to enable the wrench to operate in locations difficult of access.

A known example uses the simpler of the alternate ratchet forms described in the patent. Tedd Products Co., Rockford, IL marketed this as the HANDI-FLEX wrench.

The patents cited as references includes the early Meader ratchet -- nos. 45,931, 525,683, 525,684, 1,564,838, 1,650,085, 1,724,491 and 1,944,171.

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