US PATENT SUBCLASS 267 / 209
.~.~.~.~ Including helical coil spring

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

2  DF  VEHICLE {14}
195  DF  .~ Mechanical spring and nonresilient retarder (e.g., shock absorber) {2}
196  DF  .~.~ Friction (e.g., "snubber") {7}
205  DF  .~.~.~ Including cam or wedge friction element or actuator therefor {4}
209.~.~.~.~ Including helical coil spring {3}
210  DF  .~.~.~.~.~> Transversely oriented coil for biasing friction surfaces
211  DF  .~.~.~.~.~> Plural laterally spaced coils (e.g., spring group)
212  DF  .~.~.~.~.~> Nested coil springs {1}

DEFINITION

Classification: 267/209

Including helical coil spring:

(under subclass 205) Spring device including a helical coil-spring* which serves either as the spring element for

cushioning the relatively moving parts of the vehicle or for biasing the friction, wedge or cam surfaces toward or away from one another.