US PATENT SUBCLASS 277 / 398
.~.~ Eccentric, gyratory, or oscillatory motion

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}
358  DF  .~ Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) {9}
398.~.~ Eccentric, gyratory, or oscillatory motion

DEFINITION

Classification: 277/398

Eccentric, gyratory or oscillatory motion:

(under subclass 358) Sealing face member including accommodation or exhibition of angular or lateral deflection, circular displacement, eccentric movement, or vibration.

(1) Note. A seal that accommodates gyratory or oscillatory motion is capable of sealing relatively movable parts that move angularly or perpendicularly to its main axis of motion; whereas a floater-type seal has relative motion between the relatively movable parts it seals.

SEE OR SEARCH THIS CLASS, SUBCLASS:

357, for a dynamic seal for a rotary piston.

503+, for a dynamic, circumferential contact seal for other than a piston that accommodates gyrating or oscillating motion.

916, for a seal having vibration dampening means.

SEE OR SEARCH CLASS

418, Rotary Expansible Chamber Devices, 55.4, for a helical working member (e.g., scroll, etc.) having planetary or planetating movement including a seal.