Patent US4362343A successfully refreshed from Google Patents.
US4362343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial bearing
Assignee: IHC Holland NV
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Filing: 1981-04-16
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Granted: 1982-12-07
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Expires: 2001-04-16
Abstract
Abstract The invention relates to an axial bearing comprising a shaft 1 with a disc 2, said disc having grooves 7 and cooperates with a stationary disc 5,6 made from elastomeric material the bearing being based upon the principle that the flank 8 or flanks 8,9 of the groove 7 under all circumstances from stand still to motion at full speed deform the smooth surface of elastomeric material and form a lubricating wedge.
Inventors
- 👤 Teunis Visser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:28
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/106; F16C33/107; F16C17/00; F16C17/04; F16C17/045; F16C17/047; F16C33/1075; F16C33/22
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
65 words
An axial bearing consisting of a rotary disc provided with grooves mounted on a shaft and a stationary ring-shaped disc in a house characterized in that the stationary disc consists of elastomeric material and that the grooves have at least one flank at a small angle with the surface of the stationary disc, the opening of said angle being directed in the direction of rotation.
Claim 2
Dependent Claim
65 words
An axial bearing consisting of a rotary disc provided with grooves mounted on a shaft and a stationary ring-shaped disc in a house characterized in that the stationary disc consists of elastomeric material and that the grooves have at least one flank at a small angle with the surface of the stationary disc, the opening of said angle being directed in the direction of rotation.
Claim 3
Dependent Claim
29 words
The axial bearing according to claim 1 characterized in that both the flanks of the grooves are at a small but opposite angle with the plane of the disc.
References Cited (Backward Citations)
FR614035A
Cited
FR1162328A
Cited
GB960152A
Cited
US3713659A
Cited
NL6617168A
Cited
NL6704587A
Cited
DE2048747A1
Cited
US4326758A
Cited
US4325583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-12-06 | 1986-06-07 | 1986-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-06 | 1990-06-07 | 1990-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-06 | 1994-06-07 | 1994-12-07 | $7700.00 | Window Closed / Lapsed |