Molten metal shaft coupling system

Details Molten metal shaft coupling system Molten metal shaft coupling system

2005-12-20

2005-12-20

Kastler, Scott (Department: 1742)

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

With means to discharge molten material

C266S235000, C285S040000

Reexamination Certificate

active

06977059

ABSTRACT:
A molten metal pump shaft coupling system for use in the coupling or connection of elongated shafts to other components and equipment, and for the disconnection thereof. A coupling with internal discontinuous threads may be coupled with an externally threaded shaft, with either continuous or discontinuous threads. Aspects of the invention include multiple external threads which may be pitched to accomplish a quicker and more efficient disconnect system. Furthermore, a shaft removal system is provided which provides two points of contact to assist in rotating a broken shaft end out of a coupling.

REFERENCES:
patent: 4895349 (1990-01-01), Broom
patent: 5522624 (1996-06-01), Edin
patent: 5912916 (1999-06-01), Hendrix
patent: 6358467 (2002-03-01), Mordue

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