US PATENT SUBCLASS 267 / 64.17
.~.~.~.~ Self-pumping


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
64.17.~.~.~.~ Self-pumping


DEFINITION

Classification: 267/64.17

Self-pumping:

(under subclass 64.16) A device wherein the means to maintain the spring's working range includes a mechanism to generate increased fluid pressure within the device, the mechanism operating in response to oscillation of the device.