(under the class definition) Devices comprising a means in addition to an otherwise complete coupling to (1) either assume all externally, originally applied stress tending to separate the joint or (2) to prevent rupture of a flexible member due to bending or twisting about its axis where the same joins a rigid member.
SEE OR SEARCH THIS CLASS, SUBCLASS:
45+, for a protective cover.
301, for means to allow members a limited movement under application of original external stress.
SEE OR SEARCH CLASS
138, Pipes and Tubular Conduits, 110, for means to prevent pipe rupture.
