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US 6,200,039 B1Granted
Shaft locking device for bearing assemblies
AssigneeEmerson Power Transmission Corp.
InventorsJames P. Johnson, Eric Puleo, Kevin Feerick
Life of this patent
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AssigneeEmerson Power Transmission Corp.
InventorsJames P. Johnson, Eric Puleo, Kevin Feerick
Estimating the term…
A bearing assembly wherein the inner diameter of the slotted compressible annular locking collar is provided with a protrusion which extends radially inwardly, and finger extensions of the inner ring are provided with a recessed groove which extends at least partially along the collective outer annular surface of the finger extensions. When the locking collar is disposed about the finger extensions of the inner ring, the protrusion is disposed within the recessed groove to retain the locking collar on the inner ring. The inner ring finger extensions and the locking collar are relatively sized such that when they are in their free states, the inner diameter of the protrusion is slightly smaller than the outer diameter of the recessed groove, such that the collar may be snapped over the finger extensions and into proper position on the inner ring prior to installation on a shaft. The protrusion may be an integrally formed part of the locking collar or a separate resilient member. In one embodiment, the locking collar and finger extensions are formed with cooperating threads.
A bearing assembly comprising an inner ring for mounting on a shaft, an outer ring disposed concentrically about said inner ring, a plurality of roller elements interposed between said inner and outer rings, said inner ring including finger extensions extending axially from a side thereof, a compressible annular locking collar positionable circumferentially about said finger extensions, said finger extensions having an outwardly opening groove disposed inwardly from distal ends thereof, said locking collar having an integrally formed locking element engageable with said finger extension groove, said locking element being sized with respect to said finger extensions such that upon positioning of said locking collar on said finger extensions said locking element is forced over said finger extensions and received in said recess with a snap action engagement for retaining said locking collar in preliminary mounted position on said finger extensions, and said locking collar having a fastening screw operable for causing said locking collar to compress the finger extensions into locking engagement with said shaft following mounting in preliminary position on said finger extensions.
A bearing assembly comprising an inner ring for mounting on a shaft, an outer ring disposed concentrically about said inner ring, a plurality of roller elements interposed between said inner and outer rings, said inner ring including a finger extensions extending axially from a side thereof, a compressible annular locking collar positionable circumferentially about said finger extensions, said finger extensions having an outwardly opening weakening groove which defines lips adjacent a distal end of the finger extensions, said lips defining an outer cylindrical surface greater than the diameter of said groove, said locking collar being formed with an internal cylindrical surface for positioning on said cylindrical surface defined by said finger extension lips, and said internal locking collar cylindrical surface and said lip being formed with complimentary detents adapted for snap action engagement upon positioning of said locking collar on said finger extensions.
A bearing assembly comprising an inner ring for mounting on a shaft, an outer ring disposed concentrically about said inner ring, a plurality of roller elements interposed between said inner and outer rings, said inner ring including finger extensions extending axially from a side thereof, said finger extensions having an outwardly opening groove disposed inwardly from the distal ends thereof, a compressible annular locking collar positionable circumferentially about said finger extensions, said locking collar having an integrally formed locking element extending radially inwardly therefrom, said locking element having an internal diameter less than the outer diameter of said finger extensions, at least one of said locking collar and finger extensions being sufficiently resilient to permit said locking element to be forced over the distal ends of said finger extensions and to snap into engaging relation with said finger extension groove upon positioning of said locking collar onto said finger extensions so as to positively retain said locking collar in mounted position on said finger extensions, and said collar having a fastening screw operable for causing said locking collar to compress the finger extensions into locking engagement with a shaft upon which said bearing assembly is mounted.
Dependencies are inferred from the claim text.