US PATENT SUBCLASS 123 / 188.17
.~ Having actuation springs concentric with valve stem


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

Internet Version by PATENTEC © 1999      Terms of Use



123 /   HD   INTERNAL-COMBUSTION ENGINES

188.1  DF  VALVE {10}
188.17.~ Having actuation springs concentric with valve stem


DEFINITION

Classification: 123/188.17

Having actuation springs concentric with valve stem:

(under subclass 188.1) Apparatus wherein a valve return spring encircles the valve stem and is centered around the same axis.