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US 5,857,780 AGranted
Self-aligning/rigid spherical bearing assembly
AssigneeEmerson Electric Co.
InventorsBarry M. Newberg, William Lewis, Philip S. Johnson
Life of this patent
Estimating the term…
Abstract
A bearing assembly permits one bearing bushing to be employed in both applications that permit self-aligning pivoting movement of a rotating shaft and applications that rigidly support a rotating shaft, thereby eliminating the need to inventory two different types of bearings for these two different applications.
Claims20
A rigid bearing assembly comprising:
- a bearing seat having a land surface positioned for engagement with a bearing inserted into the bearing seat, and a projection on the bearing seat protruding outwardly from the land surface;
- a bearing inserted into the bearing seat, the bearing having a bearing surface engaging with the land surface and the bearing having a deformation formed into the bearing surface with the projection on the bearing seat extending into the deformation and holding the bearing stationary relative to the bearing seat;
- and
- the bearing seat land surface and the projection are formed as a single piece with a motor end shield.
1 more element
A rigid bearing assembly comprising:
- a bearing seat having a land surface positioned for engagement with a bearing inserted into the bearing seat, and a projection on the bearing seat protruding outwardly from the land surface;
- a bearing inserted into the bearing seat, the bearing having a bearing surface engaging with the land surface and the bearing having a deformation formed into the bearing surface with the projection on the bearing seat extending into the deformation and holding the bearing stationary relative to the bearing seat;
- and
- the land surface is a concave surface and the bearing surface is a convex surface.
1 more element
A rigid bearing assembly comprising:
- a bearing seat having a land surface positioned for engagement with a bearing inserted into the bearing seat, and a projection on the bearing seat protruding outwardly from the land surface;
- a bearing inserted into the bearing seat, the bearing having a bearing surface engaging with the land surface and the bearing having a deformation formed into the bearing surface with the projection on the bearing seat extending into the deformation and holding the bearing stationary relative to the bearing seat;
- and
- the bearing seat is constructed of a material having a hardness and the bearing is constructed of a material having a hardness that is less than the hardness of the bearing seat material.
1 more element
A rigid bearing assembly comprising:
- a bearing seat having a land surface positioned for engagement with a bearing inserted into the bearing seat, and a projection on the bearing seat protruding outwardly from the land surface;
- a bearing inserted into the bearing seat, the bearing having a bearing surface engaging with the land surface and the bearing having a deformation formed into the bearing surface with the projection on the bearing seat extending into the deformation and holding the bearing stationary relative to the bearing seat;
- the bearing seat has a shaft hole passing therethrough and the land surface is one of a plurality of separate land surfaces spacially arranged around the shaft hole;
- and
- the projection is one of a plurality of projections on the bearing protruding outwardly from the land surfaces, and the plurality of projections are arranged in pairs of projections positioned on opposite sides of one of the land surfaces of the plurality of land surfaces.
2 more elements
A bearing assembly comprising:
- a bearing seat having a shaft hole at a center of the bearing seat and having a plurality of land surfaces and a plurality of projections arranged around the shaft hole, the plurality of projections are positioned between the plurality of land surfaces and protrude outwardly from the plurality of land surfaces;
- and
- a bearing positioned in the bearing seat, the bearing has a shaft hole through a center of the bearing and a bearing surface around the bearing shaft hole, a plurality of deformations are formed on the bearing surface, the bearing surface engages with the land surfaces of the bearing seat and the projections of the bearing seat engage with the bearing surface deformations.
Dependencies are inferred from the claim text.