277 / | HD | SEAL FOR A JOINT OR JUNCTURE |
|
345 | DF | SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10} |
434 | DF | .~ Piston ring or piston ring expander or seat therefor {15} |
467 | DF | .~.~ Particular piston ring expander {12} |
477 | DF | .~.~.~ Slotted or undulating circular band including inclined or axially facing seat for the piston ring {1} |
478 |  | .~.~.~.~ Axially spaced axially facing seats {3} |
479 | DF | .~.~.~.~.~> Circular band having radially displaced undulations |
480 | DF | .~.~.~.~.~> Circular band having axially displaced undulations |
481 | DF | .~.~.~.~.~> U-shaped circular band radially directed either inwardly or outwardly throughout its circumference |