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Car Coupling.
Patent for a new and improved coupling for railroad cars. This design utilizes "a draw-head, formed with the usual flaring mouth, and interior cavity. . . . the interior of the draw-head is narrowing from the mouth to the center of the pin, and widening from the latter backward. The object of this construction is, that it directs the entering link to the pin, and increases the power of resistance of the latter to the strain" (lines 23-33).
Date:
April 5, 1881
Creator:
Nuckols, William L.
System:
The Portal to Texas History
Axle Box.
Patent for a new and improved self-oiling axle box. This design utilizes a sleeve with several small, oil-filled holes to be placed between the spindle and the axle box, which lubricates the machine and reduces friction. A nut keeps the spindle and axle box together.
Date:
April 26, 1881
Creator:
Barnes, Thomas J.
System:
The Portal to Texas History