Patent US3815964A successfully refreshed from Google Patents.
US3815964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearings
Assignee: Individual
•
Filing: 1972-06-05
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Granted: 1974-06-11
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Expires: 1992-06-05
Abstract
Abstract Concentric bearing ring members have contiguous sliding bearing surfaces, the bearing surface of one of the members having alternating axially disposed bearing portions and grooves providing lubricant storage capacity. The construction seals and limits lubricant flow to the amount required to maintain a loadsupporting film at the bearing contacts. The disclosure illustrates and describes spherical self-aligning, conical thrust, and straight radial bearing embodiments of the invention.
Inventors
- 👤 W Bendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:12
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16C17/00; F16C17/02; F16C17/10; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C23/046; F16C33/102; F16C33/26
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
166 words
A bearing comprising inner and outer ring members having contiguous sliding bearing surfaces, one of said members being arranged for rotation within the other and having a bearing surface substantially divided between a plurality of alternating axially disposed grooves and bearing portions, said bearing portions having a pair of annular surface portions in circumferential sealing proximity with said other member at each of their contiguous ends, a circumferential lubricant equalizing groove interconnecting and greatly smaller than the axially disposed grooves, said bearing portions having a circumferential width small with respect to the length and being shaped to entrain a load-supporting lubricant film between said members, the totality of said grooves comprising an interconnected reservoir for retention and non-turbulent translation of a lubricant to the bearing portions, a lubricant in said grooves under relatively inert centrifugally induced pressure, said grooves and said sealing proximity confining the lubricant flow to the axially disposed bearing portions and limiting the rate and the volume thereof to the amount thus entrained.
Claim 2
Dependent Claim
166 words
A bearing comprising inner and outer ring members having contiguous sliding bearing surfaces, one of said members being arranged for rotation within the other and having a bearing surface substantially divided between a plurality of alternating axially disposed grooves and bearing portions, said bearing portions having a pair of annular surface portions in circumferential sealing proximity with said other member at each of their contiguous ends, a circumferential lubricant equalizing groove interconnecting and greatly smaller than the axially disposed grooves, said bearing portions having a circumferential width small with respect to the length and being shaped to entrain a load-supporting lubricant film between said members, the totality of said grooves comprising an interconnected reservoir for retention and non-turbulent translation of a lubricant to the bearing portions, a lubricant in said grooves under relatively inert centrifugally induced pressure, said grooves and said sealing proximity confining the lubricant flow to the axially disposed bearing portions and limiting the rate and the volume thereof to the amount thus entrained.
Claim 3
Dependent Claim
26 words
The bearing of claim 1 wherein said other annular bearing portions comprise two oppositely assembled annular rings in elastically sprung insertion and retention between said members.
Claim 4
Dependent Claim
24 words
The bearing of claim 2 wherein said annular bearing portions further comprise spherical bearing surfaces contiguous with a spherical surface of said other mEmber.
Claim 5
Dependent Claim
23 words
The bearing of claim 2 wherein said annular bearing portions further comprise conical bearing surfaces contiguous with conical surfaces of said other member.
Claim 6
Dependent Claim
39 words
The bearing of claim 2 wherein said annular bearing portions further comprise oppositely assembled annular rings having internal bearing surfaces and having external locking surfaces adapted for elastically sprung insertion and retention in the bore of said other member.
Claim 7
Dependent Claim
39 words
The bearing of claim 1 wherein said circumferential sealing proximity further comprises internal and external annular grooves in coplanar alignment at contiguous end portions of said members and sealing and retaining rings in resiliently sprung insertion in said grooves.
Claim 8
Dependent Claim
14 words
The bearing of claim 1 wherein said contiguous bearing surfaces are spherical in form.
Claim 9
Dependent Claim
14 words
The bearing of claim 1 wherein said contiguous bearing surfaces are conical in form.
Claim 10
Dependent Claim
14 words
The bearing of claim 1 wherein said axially disposed grooves are arcuate in form.
Claim 11
Dependent Claim
14 words
The bearing of claim 1 wherein said contiguous sliding bearing surfaces are substantially parallel.
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) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |