3 Matching Results

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Detachable Washer (open access)

Detachable Washer

Patent for a detachable Washer which can be applied or removed from a bolt, without having to remove the bolt itself.
Date: August 8, 1922
Creator: Dubbs, Sylvester S.
System: The Portal to Texas History
Tire-Heater. (open access)

Tire-Heater.

Patent for improvements in tire-heater by using a tire box with a number of horizontal bars, tires are placed “into the front of the box and moved into correct position upon the horizontal bars without necessarily lifting the tires.” (Lines 29-32) Diverging arms are secured to the axis inside the tire box. Lamps are secured at the outer ends of the diverging arms. These diverging arms operate by a regulating crank which makes the lamps revolved beneath the tires, therefore heating the tires. Illustration is included.
Date: September 8, 1891
Creator: Parks, James H.
System: The Portal to Texas History
Hog-Yoke. (open access)

Hog-Yoke.

Patent for a hog yoke, which prevents hogs from crawling under fences and rooting up their pen.
Date: November 8, 1910
Creator: McCarroll, William R.
System: The Portal to Texas History