US PATENT SUBCLASS 105 / 198.6
.~.~.~ Linear torsion spring


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

157.1  DF  TRUCKS {27}
182.1  DF  .~ Bogie {13}
197.05  DF  .~.~ Sprung bolster {7}
198.6.~.~.~ Linear torsion spring


DEFINITION

Classification: 105/198.6

Linear torsion spring:

(under subclass 197.05) Bogie wherein the resilient member includes a generally straight, elongated portion adapted to twist within its elastic limit to yieldably support the

cross-member.

(1) Note. A coil spring, though supporting a load by torsion, is not included in this subclass.