(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.
