UNT Libraries Government Documents Department - 12 Matching Results

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Automatic Railway Switch Lock
Patent for an automatic railway switch lock. Illustration included.
Baling-Press.
Patent for improvements of patent no. 685838, dated November 5, 1901 by the same inventor George Daniel Hayes. The improvements included “the mounting of the plunger-operating lever, so as to insure a quick and positive disengagement thereof from the plunger-rod at the completion of the stroke and also to arrange for applying the power to the lever in such a manner as to obviate twisting thereof.” (Lines 14-19) Other improvements such as improved tension device for the plunger-operating lever, to provide the press with means whereby all of the bales may be formed of equal lengths and, means for preventing backward movement of the bales. Illustration is included.
Cultivating Machine
Patent for a cultivating machine. Illustration included.
Draft Producing Device
Patent for a draft producing device. This invention is placed under the eye of a kiln or under a boiler to increase air to the furnace. Illustration included.
Filter For Rain Spouts
Patent for a filter for rain spouts. Illustration included.
Gin Saw Cleaner
Patent for a gin saw cleaner. Object of the invention "is to provide a gin saw cleaning device which may be forced into contact with the saw blades by pressure exercised in the direction of the length of the cleaning device" (line 14-19) Illustration included.
Grading and Ditching Machine
Patent for a grading and ditching machine. Illustration included.
Low Down Binder
Patent for low down binder. "This invention relates to new and useful improvements in low down binders; and the object of the invention is to produce an apparatus whereby it will not be necessary to elevate grain, as in common binders, allowing the same to pass down an incline to the packers" (line 14-19). Illustration included.
Sash Holder
Patent for a sash holder. Illustration included.
Switch.
Patent for a switch in which it can be “automatically operated by a moving train either for the purpose of opening or closing the switch, under the control of the engineer, who without stopping the train may open the switch and run his train onto the switch-rails or a siding without slowing up the train further than is necessary to avoid derailing the train when passing from the main line to the switch or siding.” (Lines 11-20) Illustration is included.
Trap Gun
Patent for a trap gun. This invention is designed to "insure explosion of the charge upon the animal taking the bait and with certainty to effect shooting of game" (line 9-12). Illustration included.
Trolley-Pole Head.
Patent for improvements in trolley-pole heads in which a good contact may established at all time between the wheel and the trolley-wire. Illustration is included.
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