US3945327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension device for side members on axle-boxes for railway carriages or similar appliances
Assignee: Usines Emile Henricot SA
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Filing: 1974-11-05
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Granted: 1976-03-23
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Expires: 1994-11-05
Abstract
Abstract The invention pertains to a suspension device of side members on axle-boxes for railway carriages, said side members having openings therein with a central bead, encompassing two lateral housings and the axle boxes being provided, at the front and at the rear, with a collar which forms a bead, rubber rolls being pressed in between the side housings of the side members by aforesaid collars, adaptors being fitted between said rolls and said boxes.
Inventors
- 👤 Paul E. Henricot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:03
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/26; B61F5/30; B61F15/00; B61F15/12; B61F15/16; B61F15/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A suspension device for a railway carriage having a side frame and a generally cylindrical axle box, comprising: said side frame having a circular portion spaced from and surrounding said axle box and provided with an inwardly extending circumferential central rim and inwardly facing circumferential recesses on opposite sides of said rim; said axle box having axially spaced circumferential shoulders; an adaptor comprising semi-cylindrical portions, releasably secured together, surrounding said axle box and having inner peripheral ledge portions engaging said shoulders to prevent axial displacement of said adapter relative to said axle box; said adaptor having outwardly extending circumferential rims adjacent the axial ends thereof; and circular rubber beads, between said adaptor and circular portion of said frame, seated in said recesses and being held on said adaptor by said circumferential rims.
Claim 2
Dependent Claim
132 words
A suspension device for a railway carriage having a side frame and a generally cylindrical axle box, comprising: said side frame having a circular portion spaced from and surrounding said axle box and provided with an inwardly extending circumferential central rim and inwardly facing circumferential recesses on opposite sides of said rim; said axle box having axially spaced circumferential shoulders; an adaptor comprising semi-cylindrical portions, releasably secured together, surrounding said axle box and having inner peripheral ledge portions engaging said shoulders to prevent axial displacement of said adapter relative to said axle box; said adaptor having outwardly extending circumferential rims adjacent the axial ends thereof; and circular rubber beads, between said adaptor and circular portion of said frame, seated in said recesses and being held on said adaptor by said circumferential rims.
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) | 1979-03-23 | 1979-09-22 | 1980-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-23 | 1983-09-22 | 1984-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-23 | 1987-09-22 | 1988-03-23 | $7700.00 | Window Closed / Lapsed |