Ground Stands Patents (Class 246/411)
  • Railroad yard switch machine
    Patent number: 7267304
    Abstract: A railroad switch machine which is normally operated by an electric motor but which may be manually operated without causing rotation of the power shaft of the electric motor to enable the switch machine to move the switch points without having to overcome the brake resistance applied to the power shaft by the brake and gearbox thereof.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: September 11, 2007
    Inventor: Jerry L. Scheer
  • Railroad switch stand with foot operated handle latch
    Patent number: 5494243
    Abstract: A railroad switch stand for switching railroad track switch points is provided with a manually-operated crank assembly that is coupled to the switch stand switching input shaft without included lost motion and that has an included yoke with latch bars that function to stop and secure the crank assembly in operating positions that reduce operator risk to excessive back stress and lower spine injury.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: February 27, 1996
    Assignee: ABC Rail Products Corporation
    Inventor: Stephen R. Kuhn
  • Electrical switch stand
    Patent number: 5470035
    Abstract: An electrical railroad switch stand is disclosed in which a handle connected to a switching device is moved between a first position and a second position by use of an actuator powered by a motor. The direction of rotation of the shaft of the motor is controlled to control the position of the handle. Lights are provided to indicate the status of the switching device.
    Type: Grant
    Filed: August 30, 1994
    Date of Patent: November 28, 1995
    Assignee: National Trackwork, Inc.
    Inventor: Isaac Sargis