US3287991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary control mechanism
Assignee: Allis Chalmers Corp
•
Filing: 1964-03-23
•
Granted: 1966-11-29
•
Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:12
CPC Classifications
G; G05; G05G; G05G5/00; G05G5/12; G05G5/14; G05G5/18; F; F16; F16H; F16H59/00; F16H59/02; F16H59/04; F16H59/044; F16H2059/047; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20612; Y10T74/20624; Y10T74/20636; Y10T74/20672
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A ROTARY CONTROL DEVICE COMPRISING: A SUPPORT, A SHAFT ROTATABLY MOUNTED ON SAID SUPPORT, A GUIDE RIGIDLY SECURED TO SAID SUPPORT IN SPACED RELATION TO SAID SHAFT AND PRESENTING A PLURALITY OF POCKETS FACING IN AN AXIAL DIRECTION RELATIVE TO SAID SHAFT, AN ELONGATED AXIALLY FLEXIBLE CONTROL LEVER ENGAGEABLE WITH SAID POCKETS, FIRST ATTACHING MEANS RIGIDLY SECURING A PORTION OF SAID LEVER TO A PART OF SAID SHAFT SPACED RADIALLY A SUBSTANTIAL DISTANCE FROM ITS AXIS IN THE DIRECTION OPPOSITE FROM SAID GUIDE, AND SECOND ATTACHING MEANS CONNECTING AN INTERMEDIATE PORTION OF SAID LEVER, TO SAID SHAFT FOR AXIAL MOVEMENT RELATIVE THERETO, SAID LEVER BEING RESILIENTLY FLEXIBLE AXIALLY RELATIVE TO SAIDS SHAFT THEREBY PERMITTING MANUAL MOVEMENT OF SAID LEVER FROM ONE OF SAID POCKETS TO ANOTHER.
Claim 2
Dependent Claim
126 words
A ROTARY CONTROL DEVICE COMPRISING: A SUPPORT, A SHAFT ROTATABLY MOUNTED ON SAID SUPPORT, A GUIDE RIGIDLY SECURED TO SAID SUPPORT IN SPACED RELATION TO SAID SHAFT AND PRESENTING A PLURALITY OF POCKETS FACING IN AN AXIAL DIRECTION RELATIVE TO SAID SHAFT, AN ELONGATED AXIALLY FLEXIBLE CONTROL LEVER ENGAGEABLE WITH SAID POCKETS, FIRST ATTACHING MEANS RIGIDLY SECURING A PORTION OF SAID LEVER TO A PART OF SAID SHAFT SPACED RADIALLY A SUBSTANTIAL DISTANCE FROM ITS AXIS IN THE DIRECTION OPPOSITE FROM SAID GUIDE, AND SECOND ATTACHING MEANS CONNECTING AN INTERMEDIATE PORTION OF SAID LEVER, TO SAID SHAFT FOR AXIAL MOVEMENT RELATIVE THERETO, SAID LEVER BEING RESILIENTLY FLEXIBLE AXIALLY RELATIVE TO SAIDS SHAFT THEREBY PERMITTING MANUAL MOVEMENT OF SAID LEVER FROM ONE OF SAID POCKETS TO ANOTHER.
References Cited (Backward Citations)
US208370A
Cited
US1304783A
Cited
US1806783A
Cited
US902944A
Cited
US1927209A
Cited
US2313269A
Cited
US2478356A
Cited
US2643864A
Cited
US3011039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |