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Lock-Hinge.

Description: Patent for a combined lock and door hinge for a door where it "is automatically locked or held in a set position without special adjustment or manipulation, and by which, by the adjustment of a member provided for that purpose, the door may be locked permanently in any desired position" (lines 12-17). It is especially meant for screen doors, coach doors in railway cars, shutters, &c.
Date: June 12, 1894
Creator: Bessonette, William T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lifting-Jack.

Description: Patent for a strong, simple, and easily-operable lifting-jack meant for use in railroad car-axle boxes. It is a lifting bar with ratchet teeth, a lever that pivots against the lifting bar, a mechanism that holds and releases the bar, a pawl, and a double-arm spring connected to the pawl.
Date: August 13, 1895
Creator: Hough, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Journal-Box.

Description: Patent for a journal box for railroad cars with an improved bearing and lubricating system.
Date: October 20, 1908
Creator: Jones, Jefferson Davis
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Partner: UNT Libraries Government Documents Department

Triple Valve.

Description: Patent for a triple valve for train air brake systems, which is easier to operate and safer than other air brake systems,
Date: August 10, 1909
Creator: Dillander, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Engine-Valve.

Description: Patent for an engine valve for air brake systems on trains, which governs the pressure of air released and keeps it steady.
Date: August 9, 1910
Creator: Dillander, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a vertical hook car coupling that also couple air-brakes. In the invention "the drawheads are provided with interlocking tongues to prevent the disconnection of the drawheads by vertical movement; the interlocking faces of the drawheads are provided with sockets to receive a plug for completing the air passage for the train pipes; the drawheads are provided with means for receiving the ordinary hose-coupling on cars not provided with [the] drawhead, and finally other features of [the… more
Date: April 4, 1893
Creator: Ervin, Robert N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air-Brake System

Description: Patent for an air brake system for trains which does not require waiting between uses for the brakes to recharge with air.
Date: December 6, 1910
Creator: Dillander, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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