Patent US3705752A successfully refreshed from Google Patents.
US3705752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust bearing for midget motors
Assignee: Siemens AG
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Filing: 1971-04-02
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Granted: 1972-12-12
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Expires: 1991-04-02
Abstract
Abstract A thrust bearing includes an elastic member received in a cupshaped threaded member that is secured to a housing structure of a midget motor, and a bearing plate mounted on the elastic member within the cup-shaped threaded member.
Inventors
- 👤 Hanns Ott
- 👤 Hans Peter Latussek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:52
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; F; F16; F16C; F16C17/00; F16C17/04; F16C17/08; H02K2205/00; H02K2205/03; H02K2213/00; H02K2213/09
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
85 words
In a midget motor having a housing structure and a rotor subject to oscillating axial movements during operation of the motor, the rotor having a shaft for supporting the same in the housing structure, a threaded member secured to said housing structure, a thrust bearing comprising an elastic member carried by said threaded member, and a bearing plate mounted on said elastic member, said threaded member being cup-shaped and being provided with an opening in which said elastic member and said bearing plate are received.
Claim 2
Dependent Claim
85 words
In a midget motor having a housing structure and a rotor subject to oscillating axial movements during operation of the motor, the rotor having a shaft for supporting the same in the housing structure, a threaded member secured to said housing structure, a thrust bearing comprising an elastic member carried by said threaded member, and a bearing plate mounted on said elastic member, said threaded member being cup-shaped and being provided with an opening in which said elastic member and said bearing plate are received.
Claim 3
Dependent Claim
14 words
Thrust bearing according to claim 1 wherein said threaded member is an adjusting screw.
Claim 4
Dependent Claim
41 words
Thrust bearing according to claim 1 wherein said elastic member is a rubber ring having a central opening and said bearing plate is formed with a projection extending axially from one face thereof through the central opening of said rubber ring.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |