US3625577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant-retaining means
Assignee: GEN IND CO
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Filing: 1970-01-19
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Granted: 1971-12-07
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Expires: 1990-01-19
Abstract
Abstract There is disclosed herein a small electric motor having a rotor shaft rotatably mounted adjacent to the ends thereof in selfaligning bearings disposed within lubricant reservoirs and surrounded by lubricating wicks. The rotor shaft has circumferential grooves adjacent to the ends of the bearings surrounded by frustoconical openings. A retainer ring and washer combination is associated with one of said grooves.
Inventors
- 👤 Howard R Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:56
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1672
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
103 words
In a bearing assembly, a bearing having an axial opening; a rotatable shaft having a journal portion disposed within said opening; means disposed adjacent to said bearing for supplying a liquid lubricant thereto to lubricate said bearing and journal portion; and said shaft having at least one circumferential groove therein disposed adjacent to one end of said bearing to collect and stop the flow of lubricant along said shaft in the axial direction away from said journal portion said shaft being disposed on a vertical axis; said groove being disposed below said bearing; and a radially projecting retainer ring disposed within said groove.
Claim 2
Dependent Claim
103 words
In a bearing assembly, a bearing having an axial opening; a rotatable shaft having a journal portion disposed within said opening; means disposed adjacent to said bearing for supplying a liquid lubricant thereto to lubricate said bearing and journal portion; and said shaft having at least one circumferential groove therein disposed adjacent to one end of said bearing to collect and stop the flow of lubricant along said shaft in the axial direction away from said journal portion said shaft being disposed on a vertical axis; said groove being disposed below said bearing; and a radially projecting retainer ring disposed within said groove.
Claim 3
Dependent Claim
18 words
In a bearing assembly as set forth in claim 1: an annular washer disposed above said retainer 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) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |