Resource Type
Counties
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Car Coupling.
Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination, in a coupling for air-brakes, of the movable arm having the recess or socket, and the pivoted arm having the shoulder or offset adapted to fit the recess and provided with the [other] arm to direct the said shoulder or offset to the said recess when the coupling-arms come together, the said shoulder and recess forming the terminals of the air-pipes at the ends of the cars" (lines 92-100).
Date:
February 8, 1887
Creator:
Haltom, Samuel
System:
The Portal to Texas History
Spring Motor.
Patent for a new and improved spring motor. This design consists in "[t]he combination of a motor with a drum attached to one of its shafts . . . the spring which bears upon the stop and which is rigidly secured to the frame at its outer end, the stop being pivoted . . . [and] a rod provided with a cone bearing laterally against said spring for increasing or decreasing the friction of the spring against the drum" (lines 73-84).
Date:
February 11, 1890
Creator:
Wallace, James T.
System:
The Portal to Texas History