US PATENT SUBCLASS 277 / 354
.~ Helically threaded part


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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
354.~ Helically threaded part


DEFINITION

Classification: 277/354

Helically threaded part:

(under subclass 345) Dynamic seal wherein at least one of the parts has an indent or projection wound twistlike about its surface and has relative movement to the seal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

911+, for a seal and nominal motion transmitting means.