US PATENT SUBCLASS 105 / 311.1
.~.~ Control

Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

238.1  DF  SPECIAL CAR BODIES {11}
239  DF  .~ Dumping {14}
311.1.~.~ Control {3}
311.2  DF  .~.~.~> Lost motion
312  DF  .~.~.~> Ratchet-handle
313  DF  .~.~.~> Shaft lock

DEFINITION

Classification: 105/311.1

Control:

(under subclass 239) Dumping cars including (1) means utilizing energy of an external source, e.g., momentum of the car, to effect dumping; (2) means to limit the degree of opening of a door, e.g., a chain; or (3) means to drive car body closure from one position to another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286+, for a dumping car with a door actuator.