US PATENT SUBCLASS 104 / 172.1
.~ Chain


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



104 /   HD   RAILWAYS

165  DF  TRACTION {8}
172.1.~ Chain {4}
172.2  DF  .~.~> Tow pin or mast
172.3  DF  .~.~> Beneath vehicle
172.4  DF  .~.~> Suspended
172.5  DF  .~.~> Chain construction


DEFINITION

Classification: 104/172.1

CHAIN:

(under subclass 165) Car-propelling means in which the moving element along the trackway effecting the movement of a car comprises a flexible series of joined links carrying means for selectively engaging a car or adapted to be selectively engaged by a car-carried mechanism.