US3074291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear change with auxiliary pneumatic servocontrol
Assignee: Industrie Magneti Marelli SRL
•
Filing: 1958-05-05
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Granted: 1963-01-22
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Expires: 1978-05-05
Abstract
No abstract record available.
Inventors
- 👤 Alfieri Giuseppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:58
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/26; F16H61/28; F16H61/30; F16H2061/301; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19293; Y10T74/19298; Y10T74/19326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A CONTROL DEVICE FOR A CHANGE GEARING DEVICE COMPRISING A CONTROL SHAFT AXIALLY AND ROTATABLY MOVABLE ABOUT ITS AXIS, AN ARM RIGIDLY CONNECTED TO SAID SHAFT AND EXTENDING RADIALLY THEREOF, A CHANGE-GEAR ACTUATING ROD AXIALLY AND ROTATABLY MOVABLE ABOUT ITS AXIS AND ARRANGED PERPENDICULARLY TO SAID SHAFT, A LEVER AFFIXED TO AN END OF SAID ROD AND AT RIGHT ANGLES THEREWITH AND HAVING A BENT END EXTENDING IN PARALLEL TO SAID ROD, MEANS FOR CONNECTING THE BENT END OF SAID LEVER WITH SAID ARM, A MECHANISM FOR SERVOCONTROL WHICH MECHANISM IS OPERABLE IN PARALLEL TO THE AXIS OF SAID CONTROL SHAFT, SAID MECHANISM INCLUDING VALVES COMPRISING STEMS ACTUATABLE BY SAID CONNECTING MEANS WITH SAID CONTROL SHAFT AXIALLY DISPLACED,
Claim 2
Dependent Claim
118 words
A CONTROL DEVICE FOR A CHANGE GEARING DEVICE COMPRISING A CONTROL SHAFT AXIALLY AND ROTATABLY MOVABLE ABOUT ITS AXIS, AN ARM RIGIDLY CONNECTED TO SAID SHAFT AND EXTENDING RADIALLY THEREOF, A CHANGE-GEAR ACTUATING ROD AXIALLY AND ROTATABLY MOVABLE ABOUT ITS AXIS AND ARRANGED PERPENDICULARLY TO SAID SHAFT, A LEVER AFFIXED TO AN END OF SAID ROD AND AT RIGHT ANGLES THEREWITH AND HAVING A BENT END EXTENDING IN PARALLEL TO SAID ROD, MEANS FOR CONNECTING THE BENT END OF SAID LEVER WITH SAID ARM, A MECHANISM FOR SERVOCONTROL WHICH MECHANISM IS OPERABLE IN PARALLEL TO THE AXIS OF SAID CONTROL SHAFT, SAID MECHANISM INCLUDING VALVES COMPRISING STEMS ACTUATABLE BY SAID CONNECTING MEANS WITH SAID CONTROL SHAFT AXIALLY DISPLACED,
References Cited (Backward Citations)
US2292325A
Cited
US2235943A
Cited
US2222913A
Cited
US2241071A
Cited
US2262233A
Cited
US2426722A
Cited
US2520734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |