Rotary shafts – gudgeons – housings – and flexible couplings for ro – Shafting
Patent
1998-01-30
2000-07-11
Browne, Lynne H.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Shafting
F16C 300
Patent
active
060864796
ABSTRACT:
A device for aligning a motor shaft coupled to an input shaft supported by a bearing in a driven device, comprising a nut adapted for mounting on the driven device and a washer adapted for mounting on the bearing. The nut has an inner edge, an outer edge and a bottom surface having a concave spherical curvature. The washer has an upper surface with a convex spherical curvature corresponding to the concave spherical curvature of the nut. The spherical curvature of the washer has sufficient clearance for sliding against the spherical curvature of the nut. When the nut is mounted to the driven device and the washer is mounted to the bearing, the spherical surfaces of the nut and washer mate. The spherical surface of the washer can slide against the spherical surface of the nut to compensate for angular stresses on the shaft and maintain precise alignment of the motor shaft at all times. The invention also comprises a gearbox having the alignment device mounted therein.
REFERENCES:
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patent: 4295276 (1981-10-01), Ellington, III
patent: 4327496 (1982-05-01), Rebman
patent: 4717299 (1988-01-01), Underwood
patent: 5249362 (1993-10-01), Harding
patent: 5454675 (1995-10-01), DeHaitre
patent: 5597279 (1997-01-01), Thomas et al.
patent: 5632684 (1997-05-01), Kumar et al.
Bayside Controls, Inc.
Binda Greg
Browne Lynne H.
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