US PATENT SUBCLASS 277 / 578
.~.~ Having circumferentially adjustable biasing element

Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
500  DF  .~ Circumferential contact seal for other than piston {13}
578.~.~ Having circumferentially adjustable biasing element

DEFINITION

Classification: 277/578

Having circumferentially adjustable biasing element:

(under subclass 500) Dynamic, circumferential contact seal including a member extending circumferentially around the periphery of the seal and adjustable along its length to radially bias the sealing means.

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470, for a piston ring expander having means to adjust the load.

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384, Bearings, for more than nominal bearing structure or detail (e.g., liner, bearing race, cage, etc.) combined with a specific seal,

150, for a plain, radial bearing where mechanical means (e.g., nut, separate resilient elements, etc.) moves the seal.