Railroad hopper car with ballast distributing blade and hopper door and blade control apparatus and method

  • US 5,423,268 A
  • Filed: 11/10/1993
  • Issued: 06/13/1995
  • Est. Priority Date: 12/07/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A hopper door and distributing blade control apparatus for controlling one or more of a plurality of hopper doors and one or more ballast distributing blades on a railroad hopper car, comprising:

  • (a) door operating means associated with each said door for selectively opening and closing the associated door;

    (b) blade operating means associated with each said blade for selectively moving said blade between said operative and said non-operative positions;

    (c) a receiver on said car connected to the respective door and blade operating means on that car, said receiver being responsive to coded control signals to selectively, independently and individually control positions of each of said doors and said blades; and

    (d) a mobile remote transmitter selectively operable to transmit said coded control signals to cause said receiver to control the connected door and blade operating means.

View all claims

    Thank you for your feedback