US PATENT SUBCLASS 267 / 223
.~.~.~.~ And rocking actuator arm or rotary fluid displacement member

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}
217  DF  .~.~ Fluid retarder {4}
221  DF  .~.~.~ Helical coil spring {4}
223.~.~.~.~ And rocking actuator arm or rotary fluid displacement member {1}
224  DF  .~.~.~.~.~> Plural mechanical springs for biasing vehicle parts

DEFINITION

Classification: 267/223

And rocking actuator arm or rotary fluid displacement member:

(under subclass 221) Spring device wherein the retarder includes either (a) a pivoted lever which is caused to pivot upon relative motion between the vehicle parts to effect operation of the retarder, or (b) a rotatably mounted member having a surface thereon which displaces or moves through the retarding fluid to effect the opposing and retarding action.

SEE OR SEARCH CLASS

188, Brakes,

266+, for a fluid dashpot, per se, particularly subclasses 306+ for those having an arcuately oscillating thrust member.