US PATENT SUBCLASS 104 / 302
.~.~.~ Reversing of car movement or conductor current

Current as of: June, 1999
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104 /   HD   RAILWAYS

287  DF  CAR-CARRIED PROPULSION SYSTEM {3}
288  DF  .~ Electric {3}
295  DF  .~.~ External car control {8}
302.~.~.~ Reversing of car movement or conductor current {1}
303  DF  .~.~.~.~> By switch responsive to discrete means along guideway

DEFINITION

Classification: 104/302

Reversing of car movement or conductor current:

(under subclass 295) Apparatus wherein either (a) means externally of the vehicle are provided for controlling the direction of movement of the vehicle along the guideway, or (b) means are provided whereby the polarity of propulsion current at a propulsion motor is kept constant.