Patent US3847428A successfully refreshed from Google Patents.
US3847428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorber
Assignee: Audi AG
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Filing: 1972-08-09
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Granted: 1974-11-12
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Expires: 1992-08-09
Abstract
Abstract A shock absorber is supported by dashpots upon a motor car. The invention is particularly characterized in that preferably the ends of the shock absorber are fixed by separate springs to the motor car.
Inventors
- 👤 M Uebelstadt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:00
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/04; B60R19/24; B60R19/26; B60R19/36; B60R19/28; B60R19/285; B60R19/32; B60R2019/242
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
103 words
A shock-receiving device for motor vehicles, comprising a shock receiver, sHock absorbers connected with the central portion of said shock receiver, means having joints connecting the shock absorbers with the motor vehicle and having a vertical swinging axis, said means comprising sheet springs which fix the shock receiver at its end to the motor vehicle, said sheet springs being C-shaped and curved about a vertical axis, and having strips located upon the inner side of said sheet springs as path limiters, the ends of said strips directed toward the inner side of the springs having a greater curvature than that of said springs.
Claim 2
Dependent Claim
103 words
A shock-receiving device for motor vehicles, comprising a shock receiver, sHock absorbers connected with the central portion of said shock receiver, means having joints connecting the shock absorbers with the motor vehicle and having a vertical swinging axis, said means comprising sheet springs which fix the shock receiver at its end to the motor vehicle, said sheet springs being C-shaped and curved about a vertical axis, and having strips located upon the inner side of said sheet springs as path limiters, the ends of said strips directed toward the inner side of the springs having a greater curvature than that of said springs.
Claim 3
Dependent Claim
82 words
For use on a motor car, a shock absorber, dashpots connected with said shock absorber, separate springs connected with the ends of said shock absorber and fixing said ends to the motor car, each of said springs being a sheet spring curved about a vertical axis, and strips located within the sheet springs and serving for movement limitation, said strips having ends bent toward the interior of the springs and having a curvature which is greater than that of the sheet springs.
Claim 4
Dependent Claim
82 words
For use on a motor car, a shock absorber, dashpots connected with said shock absorber, separate springs connected with the ends of said shock absorber and fixing said ends to the motor car, each of said springs being a sheet spring curved about a vertical axis, and strips located within the sheet springs and serving for movement limitation, said strips having ends bent toward the interior of the springs and having a curvature which is greater than that of the sheet springs.
Claim 5
Dependent Claim
34 words
A device in accordance with claim 1, comprising brackets, said shock absorbers being mounted in said brackets, and bands connected with the free ends of said brackets and supporting them upon the shock receiver.
Claim 6
Dependent Claim
23 words
A device in accordance with claim 3, comprising shock corners consisting of an elastic material and covering said sheet springs and said bands.
Claim 7
Dependent Claim
20 words
A device in accordance with claim 4, wherein said shock corners consist of a foam substance with compressed outer surface.
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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) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |