US3682104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for suspending side-frames on axle boxes for railway carriages and similar applications
Assignee: Usines Emile SA
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Filing: 1970-06-22
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Granted: 1972-08-08
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Expires: 1990-06-22
Abstract
Abstract The invention concerns a device for suspending side-frames on axle boxes for railway carriages and similar uses, wherein the housings in the side-frames are formed by openings with a central rim defining two side housings, the axle boxes having a generally cylindrical shape with, frontwards and rearwards, a crown forming a rim, rubber beads being pressed in said side housings of sideframes by the said rims of the axle box.
Inventors
- 👤 Paul Henricot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:22
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/26; B61F5/30; B61F5/305
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
93 words
A suspending device for railway carriages, comprising in combination, a cylindrical axle box having front and rear portions, an outer rim upon said rear portion, a lid fixed to said front portion, said lid having an outer rim, a side-frame having a central rim and two curved recesses located on opposite sides of said central rim, said side-frame surrounding said axle box, a rubber bead fitting between the first-mentioned outer rim and one of said recesses and another rubber bead fitting between the second-mentioned outer rim and the other one of said recesses.
Claim 2
Dependent Claim
93 words
A suspending device for railway carriages, comprising in combination, a cylindrical axle box having front and rear portions, an outer rim upon said rear portion, a lid fixed to said front portion, said lid having an outer rim, a side-frame having a central rim and two curved recesses located on opposite sides of said central rim, said side-frame surrounding said axle box, a rubber bead fitting between the first-mentioned outer rim and one of said recesses and another rubber bead fitting between the second-mentioned outer rim and the other one of said recesses.
Claim 3
Dependent Claim
21 words
A device according to claim 1 wherein, the beads are made of natural rubber, synthetic resin or any other suitable material.
Claim 4
Dependent Claim
12 words
A device according to claim 2 wherein the resilient beads are solid.
Claim 5
Dependent Claim
14 words
A device according to claim 2, wherein the resilient beads have a homogeneous texture.
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |