US3202249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch and brake unit
Assignee: Devlieg Bullard Inc
•
Filing: 1962-07-06
•
Granted: 1965-08-24
•
Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Karl P Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:47
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A DRIVE UNIT INCLUDING IN COMBINATION A HOUSING, A SHAFT IN SAID HOUSING, MEANS RORATIVELY MOUNTING SAID SHAFT, A SHIFTER MEMBER ROTATIVELY CONNECTED TO SAID SHAFT AND CAPABLE OF AXIAL SHIFTING MOVEMENT RELATIVE THERETO AN ANNULAR GROOVE ON SAID SHIFTER MEMBER, A GEAR MEMBER, CLUTCH PLATE MEANS BETWEEN SAID GEAR MEMBER AND SAID SHIFTER MEMBER, SPRING MEANS URGING SAID SHIFTER MEMBER IN A FIRST AXIAL DIRECTION TO NORMALLY ENGAGE SAID CLUTCH PLATE MEANS, BRAKE PLATE MEANS BETWEEN SAID HOUSING AND SAID SHIFTER MEMBER, WALL MEANS DEFINING A CYLINDER IN SAID HOUSING HAVING AN AXIS PARALLEL TO AND DISPLACED FROM SAID SHAFT A PISTON IN SAID CYLINDER,
Claim 2
Dependent Claim
106 words
A DRIVE UNIT INCLUDING IN COMBINATION A HOUSING, A SHAFT IN SAID HOUSING, MEANS RORATIVELY MOUNTING SAID SHAFT, A SHIFTER MEMBER ROTATIVELY CONNECTED TO SAID SHAFT AND CAPABLE OF AXIAL SHIFTING MOVEMENT RELATIVE THERETO AN ANNULAR GROOVE ON SAID SHIFTER MEMBER, A GEAR MEMBER, CLUTCH PLATE MEANS BETWEEN SAID GEAR MEMBER AND SAID SHIFTER MEMBER, SPRING MEANS URGING SAID SHIFTER MEMBER IN A FIRST AXIAL DIRECTION TO NORMALLY ENGAGE SAID CLUTCH PLATE MEANS, BRAKE PLATE MEANS BETWEEN SAID HOUSING AND SAID SHIFTER MEMBER, WALL MEANS DEFINING A CYLINDER IN SAID HOUSING HAVING AN AXIS PARALLEL TO AND DISPLACED FROM SAID SHAFT A PISTON IN SAID CYLINDER,
References Cited (Backward Citations)
US1572870A
Cited
US1624174A
Cited
US2252906A
Cited
US2338546A
Cited
DE872159C
Cited
US2441543A
Cited
US2577641A
Cited
US2791130A
Cited
US2918832A
Cited
US2870655A
Cited
US2998872A
Cited
US3103838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |