US PATENT SUBCLASS 267 / 64.21
.~.~.~.~.~ Including rolling lobe between telescoping members

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

2  DF  VEHICLE {14}
64.11  DF  .~ Comprising compressible fluid {6}
64.15  DF  .~.~ With retarder {5}
64.16  DF  .~.~.~ Leveling device {3}
64.19  DF  .~.~.~.~ Having flexible wall {1}
64.21.~.~.~.~.~ Including rolling lobe between telescoping members

DEFINITION

Classification: 267/64.21

Including rolling lobe between telescoping members:

(under subclass 64.19) A device including a pair of elements, one sliding into an open end of the other, the elements adapted to reciprocate with respect to one another, wherein the pliant material is fixedly attached at its opposite ends to each of the two elements, and excess material is provided which folds upon itself to form an overlapping, saclike portion intermediate the ends.