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Wagon Jack. (open access)

Wagon Jack.

Patent for a new and improved wagon jack. This design "relates to wagon-jacks, the object being to provide a jack of simple and economical construction which will be applicable alike to light and heavy vehicles. The invention consists in [an] improved construction" (lines 9-14).
Date: March 28, 1882
Creator: Clark, James
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination, with a coupling-pin, of the arm, rod[s], clip . . . and lever . . . [t]he combination, with a draw-bar having the extension of a lever limited by the stop-pin . . . [and] [i]n car-couplings, the coupling-link, made in two U-shaped parts, pivoted together . . . and sustained in coupling position by [a] spring or springs" (lines 96-105).
Date: October 17, 1882
Creator: Hale, Nathan M.
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "consists essentially of contrivances for setting the buffer or draw-bar and a pin setting, tripping and uncoupling device higher or lower for adapting the coupling to couple self-actingly with cars different in height" (lines 8-13).
Date: November 21, 1882
Creator: Hale, Nathan Mathias
System: The Portal to Texas History