Patent US3626465A successfully refreshed from Google Patents.
US3626465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomeric railway axle spring
Assignee: Dunlop Co Ltd
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Filing: 1969-09-17
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Granted: 1971-12-07
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Expires: 1989-09-17
Abstract
Abstract A vehicle axle suspension spring formed from at least one block of resilient material arranged between metal end plates, one end plate being arranged to be associated with one end of the axle and the other end plate having two spaced semicircular recesses formed therein for engagement with a pair of correspondingly spaced pins associated with a support structure of the vehicle body, so locating the spring relative to the support structure.
Inventors
- 👤 Archie John Hirst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:37
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; B60G11/24
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
103 words
A spring arrangement for suspending and positioning a vehicle axle relative to a vehicle component, said spring arrangement comprising at least one block of resilient material affixed to metal end plates, one of said end plates being adapted to be affixed relative to the axle, at least one recess accurately formed in the other of said end plates, and a locating component complementary to and received within said recess for positioning saId locating component with respect to said other end plate, said locating component being adapted to be accurately positioned relative to the associated vehicle component for accurately positioning the axle relative thereto.
Claim 2
Dependent Claim
103 words
A spring arrangement for suspending and positioning a vehicle axle relative to a vehicle component, said spring arrangement comprising at least one block of resilient material affixed to metal end plates, one of said end plates being adapted to be affixed relative to the axle, at least one recess accurately formed in the other of said end plates, and a locating component complementary to and received within said recess for positioning saId locating component with respect to said other end plate, said locating component being adapted to be accurately positioned relative to the associated vehicle component for accurately positioning the axle relative thereto.
Claim 3
Dependent Claim
17 words
A spring arrangement as set forth in claim 1 wherein the recess has an open trough shape.
Claim 4
Dependent Claim
24 words
A spring arrangement as set forth in claim 2 wherein there are a pair of trough-shaped recesses and a pair of cooperating locating components.
Claim 5
Dependent Claim
61 words
A spring for locating a vehicle axle comprising a plurality of V-shaped blocks of resilient material having V-shaped metal plates interleaved therebetween, a first end plate affixed to one end of said spring, a second end plate affixed to the other end of said spring, and a pair of trough-shaped recesses formed in said second end plate and accurately positioned therein.
Claim 6
Dependent Claim
61 words
A spring for locating a vehicle axle comprising a plurality of V-shaped blocks of resilient material having V-shaped metal plates interleaved therebetween, a first end plate affixed to one end of said spring, a second end plate affixed to the other end of said spring, and a pair of trough-shaped recesses formed in said second end plate and accurately positioned therein.
Claim 7
Dependent Claim
21 words
A spring as set forth in claim 4 further including means for retaining a pair of locating components within said recesses.
Claim 8
Dependent Claim
28 words
A spring as set forth in claim 5 wherein the retaining means comprises a pair of clips affixed to said end plate and positioned contiguous to said recesses.
Claim 9
Dependent Claim
31 words
A spring as set forth in claim 5 wherein the retaining means comprises a bore extending through said other end plate and adapted to receive a fastening pin or the like.
References Cited (Backward Citations)
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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 |