US PATENT SUBCLASS 248 / 626
.~.~ Elliptic spring


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

Internet Version by PATENTEC © 1999      Terms of Use



248 /   HD   SUPPORTS

560  DF  RESILIENT SUPPORT {16}
618  DF  .~ Including spring zone understructure {9}
626.~.~ Elliptic spring {1}
627  DF  .~.~.~> Laminated


DEFINITION

Classification: 248/626

Elliptic spring:

(under subclass 618) Structure wherein the spring is of oval shape and is continuous or comprises two arcuate sections having their adjacent ends connected integrally or otherwise, the intermediate concave portions of said sections facing each other and being free for relative approach or recession.