US4846012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuating linkage for a clutch
Assignee: Daimler Benz AG
•
Filing: 1987-10-28
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Granted: 1989-07-11
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Expires: 2007-10-28
Abstract
Abstract An actuating linkage for a motor vehicle clutch with a clutch lever which can assume two end positions corresponding to the engaged and the disengaged clutch and at which engages an over-dead-center spring that exerts on the clutch lever a force directed toward a respective end position. In order to reduce the actuating force to be produced by the driver with a strong over-dead-center-point spring, the compensating spring engages at the clutch lever which exerts on the clutch lever a force directed toward the end position corresponding to the disengaged clutch whereby the torque applied on the clutch lever by the compensating spring is smaller with a disengaged clutch than with an engaged clutch.
Inventors
- 👤 Dieter Papenhagen
- 👤 Eberhard Klemm
- 👤 Aurel Steilner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:02
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/12; G; G05; G05G; G05G7/00; G05G7/02; G05G7/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20528; Y10T74/20576; Y10T74/20582
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
188 words
An actuating linkage for a clutch, comprising a clutch, a clutch lever means mounted on a body part operable to engage and disengage said clutch having two end positions, one end position corresponding to an engaged clutch lever position and the other end position corresponding to a disengaged clutch lever position, spring means having an over-dead-center point engaging at the clutch lever, said spring means exerting in a position of the clutch lever between the over-dead-center point and an end position a force directed toward this end position, and a compensating spring means mounted on a said body part and engaging at the clutch lever which exerts on the clutch lever a force directed to the end position corresponding to the disengaged clutch lever position, and the torque applied by the compensating spring means on the clutch lever in the range adjacent the end position corresponding to the disengaged clutch lever position being smaller as a result of at least one of a smaller spring force and a smaller effective lever arm than in the range adjacent the end position which corresponds to the engaged clutch lever position.
Claim 2
Dependent Claim
188 words
An actuating linkage for a clutch, comprising a clutch, a clutch lever means mounted on a body part operable to engage and disengage said clutch having two end positions, one end position corresponding to an engaged clutch lever position and the other end position corresponding to a disengaged clutch lever position, spring means having an over-dead-center point engaging at the clutch lever, said spring means exerting in a position of the clutch lever between the over-dead-center point and an end position a force directed toward this end position, and a compensating spring means mounted on a said body part and engaging at the clutch lever which exerts on the clutch lever a force directed to the end position corresponding to the disengaged clutch lever position, and the torque applied by the compensating spring means on the clutch lever in the range adjacent the end position corresponding to the disengaged clutch lever position being smaller as a result of at least one of a smaller spring force and a smaller effective lever arm than in the range adjacent the end position which corresponds to the engaged clutch lever position.
Claim 3
Dependent Claim
18 words
An actuating linkage for a clutch according to claim 1, wherein the clutch is a motor vehicle clutch.
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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) | 1992-07-10 | 1993-01-09 | 1993-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-10 | 1997-01-09 | 1997-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-10 | 2001-01-09 | 2001-07-11 | $7700.00 | Window Closed / Lapsed |