Patent US3726539A successfully refreshed from Google Patents.
US3726539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle suspension units
Assignee: Girling Ltd
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Filing: 1970-07-24
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Granted: 1973-04-10
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Expires: 1990-07-24
Abstract
Abstract A suspension unit comprising a stub axle and a telescopic damper unit in which the body tube of the damper is mechanically locked in the stub axle. The tube passes through a bore in the stub axle up to a shoulder on the tube, and the extreme end of which is spun out to form a flange, so that the stub axle is gripped between the shoulder and the flange.
Inventors
- 👤 L Nicholls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:10
CPC Classifications
B; B60; B60G; B60G13/00; B60G13/001; B60G13/005; B60G13/006; F; F16; F16F; F16F9/00; F16F9/32; F16F9/54; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/129; Y; Y10; Y10T; Y10T403/00; Y10T403/49; Y10T403/4924
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
149 words
A vehicle suspension unit comprising a stub axle member having a bore therein including upper and lower annular edge parts, a telescopic damper including a body tube having a lower end portion of reduced external diameter received in said bore, a downwardly facing shoulder at the upper end of said lower end portion engaging the upper annular edge part of said bore, an outwardly dIrected flange at the lower end of said tube engaging the lower annular edge part of said bore, said shoulder, flange and edge parts providing the sole means for locking said tube against axial displacement relative to said stub axle, a counter bore in the lower end of said tube defining a downwardly facing annular shoulder spaced above said flange, and an end cap within said tube engaging the shoulder and permanently secured to the wall of the tube to close the lower end thereof.
Claim 2
Dependent Claim
149 words
A vehicle suspension unit comprising a stub axle member having a bore therein including upper and lower annular edge parts, a telescopic damper including a body tube having a lower end portion of reduced external diameter received in said bore, a downwardly facing shoulder at the upper end of said lower end portion engaging the upper annular edge part of said bore, an outwardly dIrected flange at the lower end of said tube engaging the lower annular edge part of said bore, said shoulder, flange and edge parts providing the sole means for locking said tube against axial displacement relative to said stub axle, a counter bore in the lower end of said tube defining a downwardly facing annular shoulder spaced above said flange, and an end cap within said tube engaging the shoulder and permanently secured to the wall of the tube to close the lower end thereof.
Claim 3
Dependent Claim
37 words
A unit as claimed in claim 1 comprising a ball joint assembly fitted into the said counterbore in the stub axle and providing added security against downward displacement of the tube relative to the stub axle member.
References Cited (Backward Citations)
US425948A
Cited
US1742793A
Cited
FR792971A
Cited
US2413840A
Cited
US3139159A
Cited
GB1031650A
Cited
US3493242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |