US9382941B2
Active / In Force
US
⏱️ 6.5 years remaining
Bearing retainer
Assignee: Romax Technology Ltd
•
Filing: 2013-04-23
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Granted: 2016-07-05
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Expires: 2033-04-23
Abstract
Abstract A bearing arrangement includes a housing, a rotating member traversing the housing, a bearing assembly located between the housing and the rotating member and supporting the bearing member, and a retainer in contact with the housing and the bearing assembly. The retainer has positioning means adapted to engage with the housing so that the retainer is moveable to a predetermined position to retain the bearing assembly.
Inventors
- 👤 Richard Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:04
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C25/00; F16C25/06; F16C25/08; B; B23; B23P; B23P6/00; F16C19/00; F16C19/54; F16C19/541; F16C19/542; F16C35/067; F16C39/00; F16C39/02; F16C19/22; F16C19/34; F16C19/36; F16C19/364; F16C19/38; F16C19/383; F16C19/385; F16C2229/00; F16C2360/00; F16C2360/31; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49638
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
106 words
A bearing arrangement for a gearbox comprising: a housing; a rotating member traversing said housing; a bearing assembly located between said housing and said rotating member, said rotating member supported by said bearing assembly; a cover plate bolted to said housing; and a retainer comprising: a surface in contact with said bearing assembly; and an outer surface comprising a screw thread; wherein said outer surface engages with said cover plate via a screw thread on said cover plate to adjust an axial position of said retainer relative to said housing, wherein said retainer is moveable to apply a preload or a clearance to the bearing assembly.
Claim 2
Dependent Claim
106 words
A bearing arrangement for a gearbox comprising: a housing; a rotating member traversing said housing; a bearing assembly located between said housing and said rotating member, said rotating member supported by said bearing assembly; a cover plate bolted to said housing; and a retainer comprising: a surface in contact with said bearing assembly; and an outer surface comprising a screw thread; wherein said outer surface engages with said cover plate via a screw thread on said cover plate to adjust an axial position of said retainer relative to said housing, wherein said retainer is moveable to apply a preload or a clearance to the bearing assembly.
Claim 3
Dependent Claim
20 words
The bearing arrangement of claim 1 , wherein said retainer comprising: sealing means adapted to engage with said rotating member.
Claim 4
Dependent Claim
14 words
The bearing arrangement of claim 2 , wherein said retainer comprises a ring-shaped part.
Claim 5
Dependent Claim
20 words
The bearing arrangement of claim 3 , wherein an inner surface of said ring shaped part comprises the sealing means.
Claim 6
Dependent Claim
10 words
A gearbox comprising a bearing arrangement of claim 1 .
Claim 7
Dependent Claim
11 words
A wind turbine comprising a bearing arrangement of claim 1 .
Claim 8
Dependent Claim
75 words
A method for maintaining a bearing arrangement of claim 1 comprising said steps of: disengaging said retainer from said housing; replacing said bearing assembly; engaging said screw thread on said outer surface of said retainer with said screw thread on said cover plate; and adjusting an axial position of said retainer to a predetermined position relative to said housing to retain said bearing assembly thereby applying a correct preload or clearance to the bearing assembly.
References Cited (Backward Citations)
US821322A
Cited
US1399959A
Cited
US1894414A
Cited
US2018221A
Cited
US2147787A
Cited
US2605148A
Cited
US3510184A
Cited
US5030016A
Cited
US7572061B2
Cited
US7108428B2
Cited
US7794153B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2019-07-05 | 2020-01-04 | 2020-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2023-07-05 | 2024-01-04 | 2024-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2027-07-05 | 2028-01-04 | 2028-07-05 | $7700.00 | Pending Window |