US PATENT SUBCLASS 267 / 231
.~.~.~ And coil spring

Current as of: June, 1999
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267 /   HD   SPRING DEVICES

2  DF  VEHICLE {14}
228  DF  .~ Lever and nontorsion spring {4}
229  DF  .~.~ Leaf spring {9}
231.~.~.~ And coil spring {6}
232  DF  .~.~.~.~> And roller
233  DF  .~.~.~.~> And "overload" bumper
234  DF  .~.~.~.~> Including adjustment for spring loading {1}
236  DF  .~.~.~.~> Plural coils between vertically spaced leaf springs
237  DF  .~.~.~.~> Plural coaxial coils {1}
239  DF  .~.~.~.~> Having leaf-end-connecting lever {1}

DEFINITION

Classification: 267/231

And coil spring:

(under subclass 229) Spring device further including a second spring element in the form of a coil-spring* for cushioning relative movement of the vehicle parts.

(1) Note. The lever may act upon either the leaf-spring or the coil-spring, or both.