US PATENT SUBCLASS 285 / 304
FRICTION DETENT (E.G., BREAKAWAY TYPE)


Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

304FRICTION DETENT (E.G., BREAKAWAY TYPE)


DEFINITION

Classification: 285/304

(under the class definition) Subject matter comprising means to hold the two members in coupled relationship under normal operating forces but which will release upon application of excessive forces, e.g., a spring pressed ball in one member coacting with a groove in the other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

1, for safety release couplings having means to release a holding means on the application of excessive force.

345+, for a packing, which frictionally retains a member with insertion.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

149.7, for a valved flow line section joined to another by a contact only, or friction, joint, where the act of joining operates the valve in opposition to a spring biasing it.