Patent ID: 7325601

Claim:
An electrical submersible pump assembly comprising: first and second modular component sections, each of the sections having an outer housing and an inner shaft member; a coupling sleeve having a bore and disposed between the modular component sections and receiving therein the shaft member of each of the component sections, the bore of the coupling sleeve and exterior portions of the shaft members having mating torque transmitting shoulders; an axial tension transmitting shoulder carried by the shaft member of the first modular component section; a latch member carried by the shaft member of the second modular section that moves into engagement with the axial tension transmitting shoulder to secure the shaft members to one another for transferring axial tension from one of the shaft members to the other; and a retainer carried by one of the shaft members and located adjacent the latch member, the retainer having a locked position that prevents the latch member from disengaging from the axial tension transmitting shoulder once engaged.