Lock-operated Patents (Class 213/125)
Vertically sliding locks (Class 213/126)
Vertically swinging locks (Class 213/129)
Horizontally sliding locks (Class 213/130)
  • Railway car coupler
    Patent number: 4316549
    Abstract: A railway car coupler includes a knuckle locked in a closed position and movable into an open position upon opening of the lock and actuation of a thrower arm engaging the knuckle. The thrower arm is configured to limit the shortening of the knuckle opening moment during the knuckle opening movement.
    Type: Grant
    Filed: April 11, 1980
    Date of Patent: February 23, 1982
    Assignee: Dresser Industries, Inc.
    Inventor: Richard F. Klimowicz