US3129794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch construction
Assignee: Daimler Benz AG
•
Filing: 1960-09-14
•
Granted: 1964-04-21
•
Expires: 1980-09-14
Abstract
No abstract record available.
Inventors
- 👤 Werner E Altmann
- 👤 Manfred H Burckhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:05
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/04; F16D23/06; F16D43/00; F16D43/02; F16D43/04; F16D43/06; F16D43/08; F16D43/12; F16D2023/0643
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A DISENGAGEABLE, FORCE-LOCKING CLUTCH, COMPRISING DRIVING CLUTCH MEANS AND DRIVEN CLUTCH MEANS, AXIALLY MOVABLE MEANS ARRANGED ADJACENT ONE OF SAID CLUTCH MEANS AND ADAPTED TO BE SELECTIVELY CONNECTED WITH THE OTHER CLUTCH MEANS, AND SYNCHRONIZING AND BLOCKING MEANS INTERMEDIATE SAID DRIVING AND DRIVEN CLUTCH MEANS FOR ESTABLISHING SYNCHRONISM THEREBETWEEN AND FOR PREVENTING THE FORCE-LOCKING ENGAGEMENT ESSENTIALLY UNTIL SYNCHRONISM IS ATTAINED BETWEEN SAID TWO CLUTCH MEANS, SAID LAST-NAMED MEANS BEING CONSTITUTED IN PART BY INCLINED ENGAGING SURFACES ON SAID AXIALLY MOVABLE MEANS AND SAID ONE CLUTCH MEANS FOR PRODUCING AN AXIAL THRUST IN THE ENGAGING DIRECTION OF SAID AXIALLY MOVABLE MEANS FROM THE FRICTION MOMENT, AND SPRING MEANS KEEPING SAID INCLINED SURFACES IN ESSENTIALLY CONSTANT ABUTMENT WITH EACH OTHER.
Claim 2
Dependent Claim
118 words
A DISENGAGEABLE, FORCE-LOCKING CLUTCH, COMPRISING DRIVING CLUTCH MEANS AND DRIVEN CLUTCH MEANS, AXIALLY MOVABLE MEANS ARRANGED ADJACENT ONE OF SAID CLUTCH MEANS AND ADAPTED TO BE SELECTIVELY CONNECTED WITH THE OTHER CLUTCH MEANS, AND SYNCHRONIZING AND BLOCKING MEANS INTERMEDIATE SAID DRIVING AND DRIVEN CLUTCH MEANS FOR ESTABLISHING SYNCHRONISM THEREBETWEEN AND FOR PREVENTING THE FORCE-LOCKING ENGAGEMENT ESSENTIALLY UNTIL SYNCHRONISM IS ATTAINED BETWEEN SAID TWO CLUTCH MEANS, SAID LAST-NAMED MEANS BEING CONSTITUTED IN PART BY INCLINED ENGAGING SURFACES ON SAID AXIALLY MOVABLE MEANS AND SAID ONE CLUTCH MEANS FOR PRODUCING AN AXIAL THRUST IN THE ENGAGING DIRECTION OF SAID AXIALLY MOVABLE MEANS FROM THE FRICTION MOMENT, AND SPRING MEANS KEEPING SAID INCLINED SURFACES IN ESSENTIALLY CONSTANT ABUTMENT WITH EACH OTHER.
References Cited (Backward Citations)
US2090397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |