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Car Coupling.
Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination of a draw-head, the laterally-movable pin-retaining arms supported therein, and a pivoted wing normally held in the path of an approaching link, and arranged to distend the arms to drop the pin when acted on by the links" (lines 30-35).
Date:
April 6, 1886
Creator:
Thomason, John W.
System:
The Portal to Texas History
Cultivator.
Patent for a new and improved cultivator. This design "is to provide a device to enable the shovels of the cultivator to yield when they strike an immovable object—such as a stone or stump—and thereby prevent the cultivator-shovels from being broken, and more especially in time-saving in readjusting the shovel for plowing" (lines 14-20).
Date:
April 13, 1886
Creator:
Eubanks, Thomas Jefferson
System:
The Portal to Texas History