US PATENT SUBCLASS 267 / 126
.~.~.~ System


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

113  DF  FLUID {5}
118  DF  .~ Expansible-contractible chamber device {5}
124  DF  .~.~ Piston {4}
126.~.~.~ System {1}
127  DF  .~.~.~.~> Trans-piston passage


DEFINITION

Classification: 267/126

(under subclass 124) Spring device including (a) passage means communicating between opposite sides of the piston for movements of the liquid or gas therebetween or (b) an accumulator or reservoir for the fluid communicating with the piston-provided enclosure.

(1) Note. Unless separated from the piston chamber by a passage of significant length or substantial construction, a cubic capacity will be recognized only as an extension of a piston chamber and not a separate reservoir or accumulator for this subclass; and see (1) Note in subclass 127.

SEE OR SEARCH THIS CLASS, SUBCLASS:

124, for a piston-operated fluid spring device provided with vent means to the ambient environment, or with access means for ambient air.