US PATENT SUBCLASS 105 / 198.7
.~.~.~ Nonmetallic spring or cushion

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}
198.7.~.~.~ Nonmetallic spring or cushion

DEFINITION

Classification: 105/198.7

Nonmetallic spring or cushion:

(under subclass 197.05) Bogie wherein the resilient member is made of material other than metal, and may include an additional resilient member, such that the nonmetallic member only absorbs relatively small oscillations.