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US Patent: 3,368,432
Sliding Side Jaw Wrench Having A Perforated Drive Belt
Patentee:
Kenneth F. Halls - Broomfield, CO

USPTO Classifications:
81/165

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
Western Tool Co. - Denver, CO

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 22, 1967
Granted: Feb. 13, 1968

Patent Pictures:
Kenneth F. Halls Patent February 13, 1968
USPTO pdf tiff
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Description:
The adjustable jaw is moved by a worm which is driven by a slide-powered drive chain or belt.

The specifications cite patent nos. 3,000,246 and 3,125,911 as references. This patent is cited in the specifications for patent no. 3,555,939.

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