Date: August 16, 1881
Creator: Stephens, Lawrence Earnest. & Pool, George Washington.
Description: Patent for a new and improved coupling for railroad cars. This design "consists in the construction and novel arrangement of the rack-bars seated in ways recessed in the sides of the draw-head, toothed segments engaging therewith, a shaft carrying said toothed segments, and also bearing within the cavity of the draw-head a vibratory arm and a setting-lever, from which the coupling-pin is suspended, connected to said vibratory arm" (lines 24-32).
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