Sanitary hub assembly and method for impeller mounting on shaft

Details Sanitary hub assembly and method for impeller mounting on shaft Sanitary hub assembly and method for impeller mounting on shaft

2004-12-30

2009-02-10

Stodola, Daniel P (Department: 3679)

Joints and connections

Interfitted members

Clamped members

C403S288000, C277S622000

Reexamination Certificate

active

07488137

ABSTRACT:
A hub for removable mounting onto a shaft has an inner sleeve having a first end and a second end, and having a substantially cylindrical inner diameter and having an outer surface having a threaded region and a tapered conical surface located substantially near the first end. An outer hub has an inner surface with a threaded region threadably engagable with the threaded region of the inner hub, and a inner tapered conical surface configured to cam along the tapered outer surface of the inner hub. The hub can be locked at a desired axial location or the shaft by engaging the threads to cause the cam surfaces to constrict the diameter of the first end so it frictionally locks onto the shaft.

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