UNT Libraries Government Documents Department - 28 Matching Results

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Scraper for Mixing-Machines

Description: Patent for a now and useful Scraper for Mixing-Machines, which is specifically a scraper attachment for the mixing-cylinder wherewith the material that may cling to the inner surface of the cylinder may be scraped off and the mixing operation may be thoroughly performed.
Date: June 4, 1901
Creator: Sliger, Charles F.

Self-Dumping Cage for Hoisting Coal, & c., from Mines.

Description: Patent for improvements in self-dumping cage for hoisting coal or other minerals by first provide a simple and easily-controlled dumping mechanism which can be set at bottom of shaft; second, to secure a positive action of the dumping mechanism and reduce the shock and strain commonly incident to the operation of self-dumping cages; third, to provide a firmer and more easily operated dog for holding car on cage-platform. (Lines 15-22) Illustration is included.
Date: June 25, 1901
Creator: Burdic, Malvern W.

Spring-Gun

Description: Patent for "a cheap and simple device of this nature wherein the projectile will be held in such manner as not to interfere with sighting the catapult and wherein derived will be held in place in such manner as will prevent their accidental displacement and will yet permit of ready removal when desired" (lines 9-17).
Date: June 4, 1901
Creator: Wilkins, Willie A.

Stump-Puller

Description: Patent "to improve the construction of stump-pullers and to provide a simple, inexpensive, and efficient one which will possess great strength and durability and which ma be readily operated with a minimum amount of power" (lines 10-15).
Date: June 4, 1901
Creator: Bethel, Ion Maywood
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