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Mechanical Motor.
Patent for a new and improved motor. This design "provide[s] an apparatus by means of which a series of weights or balls may be successively and continuously elevated to any given height, to be subsequently employed to operate any suitable machinery by gravitation" (lines 15-20).
Date:
January 11, 1881
Creator:
Conner, Laurance H.
System:
The Portal to Texas History
Oscillating Cradle.
Patent for a new and improved oscillating cradle. This design utilizes a hand-crank and gears to gently rock the wooden cradle back and forth. Also connected to the crank is a wooden rod at the bottom which gently strikes a xylophone underneath.
Date:
January 11, 1881
Creator:
Brown, Fred Harvey
System:
The Portal to Texas History
Car Coupling.
Patent for a new and improved design for freight car coupling. This design calls for a sliding block, with the assistance of metal pins, to lock the link between two freight cars firmly in place. This eliminates the possibility of accidental disconnect.
Date:
January 11, 1881
Creator:
Upson, Bolivar J.
System:
The Portal to Texas History