Patent US3801172A successfully refreshed from Google Patents.
US3801172A
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US
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Spacer cage for rolling bearings
Assignee: SKF Industrie SpA
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Filing: 1972-10-17
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Granted: 1974-04-02
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Expires: 1992-10-17
Abstract
Abstract A spacer cage for rolling bearings is described. The main feature of this spacer cage is that of having deformable projecting portions, arranged for arresting each of the rolling bodies in a first position, which permit to assemble in a most simple and rapid manner one race of the bearing on the remaining part of the same, and seats for holding the same rolling bodies in a second position, which permit to separate from the races of the bearing the assembly constituted by the cage and the rolling bodies, in order to permit to inspection the rolling tracks of said races. The passage from the first to the second position takes place by applying a radial force of a predetermined value to each rolling body.
Inventors
- 👤 B Veglia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:27
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C33/00; F16C33/30; F16C33/46; F16C33/4611; F16C33/4617; F16C33/4664; F16C33/56
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
156 words
Spacer cage of annular shape for a rolling bearing, which has an inner and an outer race between which a crown of rolling bodies is disposed, these bodies being spaced apart by said cage, on both sides of at least one of said races a shoulder for said bodies being provided, comprising: a number of housings for said bodies, separated by means of crosspieces; means which arrest in one first position each rolling body when this is radially displaced outwardly or inwardly under the action of its own weight, and which hold in a second position each of said bodies when the body is radially displaced outwardly or inwardly, from the position occupied by the same between said races, by a quantity at least equal to the radial height of said shoulders; the passage from the first to the second position taking place by applying a radial force of a predetermined value to each rolling body.
Claim 2
Dependent Claim
156 words
Spacer cage of annular shape for a rolling bearing, which has an inner and an outer race between which a crown of rolling bodies is disposed, these bodies being spaced apart by said cage, on both sides of at least one of said races a shoulder for said bodies being provided, comprising: a number of housings for said bodies, separated by means of crosspieces; means which arrest in one first position each rolling body when this is radially displaced outwardly or inwardly under the action of its own weight, and which hold in a second position each of said bodies when the body is radially displaced outwardly or inwardly, from the position occupied by the same between said races, by a quantity at least equal to the radial height of said shoulders; the passage from the first to the second position taking place by applying a radial force of a predetermined value to each rolling body.
Claim 3
Dependent Claim
66 words
The spacer cage of claim 1, wherein said means comprise deformable projecting portions, arranged for arresting each of said bodies in said first position, and seats for holding the same bodies in said second position, said projecting portions and seats being integral with said crosspieces of the cage, and the passage from the first to the second position taking place upon deformation of said projecting portions.
Claim 4
Dependent Claim
39 words
The spacer cage of claim 2, wherein each crosspiece is integral with a pair of said projecting portions and a pair of said seats, each of said projecting portions and seats facing towards a corresponding housing of the cage.
Claim 5
Dependent Claim
30 words
The spacer cage of claim 2, comprising a plurality of members, each of which is provided with said projecting portions and seats and it is secured to a corresponding crosspiece.
Claim 6
Dependent Claim
33 words
The spacer cage of claim 4, wherein each of said members comprises an appendage adapted to be inserted in a corresponding cavity provided in a crosspiece for fastening said member to said crosspiece.
Claim 7
Dependent Claim
36 words
The spacer cage of claim 5, wherein said appendage and said cavity comprise undercuts apt to prevent said member from being separated from the corresponding crosspiece when the appendage is inserted in the cavity associated therewith.
Claim 8
Dependent Claim
19 words
The spacer cage of claim 6, wherein said cavity is a dovetail-shaped groove and said appendage is also dovetail-shaped.
Claim 9
Dependent Claim
68 words
The spacer cage of claim 4, having rollers in said housings, wherein the width of the face of each of said members, which is in contact with the corresponding crosspiece, is greater than the width of the radially outer or the radially inner surface of said crosspiece, so that said face of each member will form a step with respect to each side surface of the corresponding crosspiece.
Claim 10
Dependent Claim
70 words
The spacer cage of claim 4, wherein each of said members comprises a pair of side surfaces, each of which is shaped so as to form, together with the side surface of the adjacent member and which is facing towards the same, a pair of seats for holding the rolling body situated in the housing comprised between said two members, when said body is radially displaced to said second position.
Claim 11
Dependent Claim
16 words
The spacer cage of claim 4, wherein each of said members is made of deformable material.
Claim 12
Dependent Claim
13 words
The spacer cage of claim 10, wherein said material is a thermoplastic material.
References Cited (Backward Citations)
US3626565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |