Hydraulic railroad car door with program plate
Реферат: S P E C I F I C A T I O N ABSTRACT OF THE DISCLOSURE A hydraulic railroad car door assembly comprising a sliding door of the plug type carried on crank arms rotated by shafts rotating with respect to the door, the door opening and closing by the swinging of the crank arms which are car-ried by tracks on which the door slides, a program plate slidably mounted on the door and having slots therein, door latching assemblies, and means including pins received in the slots for causing sequenced unlatching and door opening and sequenced door closing and latching as said program plate is reciprocated by a cylinder controlled by a hydraulic pump.
Auto-rack railroad car vehicle wheel chock hanger
Номер патента: CA2754489C. Автор: John D. Anderson,Walter J. Peach,Edward L. Vechiola. Владелец: Standard Car Truck Co. Дата публикации: 2017-07-04.