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US Patent: 2,753,748
Spiral Actuator For Sliding Jaw End Wrench
Guido F. Schlote - El Cajon, CA

USPTO Classifications:
81/165, 81/172

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

Moritzacky-Schlote Engineering Co. - Lemon Grove, CA

Not known to have been produced


Patent Dates:
Applied: Mar. 19, 1954
Granted: Jul. 10, 1956

Patent Pictures:
Guido F. Schlote patent July 10, 1956
USPTO pdf tiff
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The patent is for the adjusting mechanism. It addresses friction between the slide and the spiral, and friction at the bearings of the rotating parts. The handle is an oval or flattened tube shape. The specifications note some of the parts were described in Schlote's July 15, 1952 patent (no. 2,603,116).

The specifications also cite patent nos. 1,306,020, 1,354,782, 1,391,180, 1,886,907, 1,915,396, 2,322,550, and 2,447,094 as references.

Cited as a reference in 3,640,159.

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