Patent ID: 6868912

Claim:
A submersible assembly, comprising: a pump assembly having a pump assembly housing; an electric motor assembly having a motor assembly housing, the housings being releasably secured to each other; first and second shafts extending within the housings; a set of external splines on an end of the first shaft; a receptacle on an end of the second shaft, the receptacle having a set of internal splines that slide into engagement with the external splines to transmit torque between the shafts, the receptacle having at least two circumferentially spaced apart receptacle holes; at least two blind holes extending partially into the first shaft perpendicular to an axis of the first shaft, each of the blind holes being in alignment with one of the receptacle holes; at least two fasteners, each of the fasteners extending transversely through one of the receptacle holes and into one of the blind holes, the fasteners securing the shafts to each other to transmit axial tension from one shaft to the other.