US3354745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission gear-boxes of vehicles for transmission on one or more axles, with special reduction for running on varied ground
Assignee: Renault SA
•
Filing: 1965-06-04
•
Granted: 1967-11-28
•
Expires: 1985-06-04
Abstract
No abstract record available.
Inventors
- 👤 Castelet Gaetan De Coye De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:43
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; F16H37/00; F16H37/02; F16H37/04; F16H2003/0803; F16H37/042; F16H37/043; F16H2037/045; F16H2200/00; F16H2200/0017; F16H2200/003; F16H2200/0043; F16H2702/00; F16H2702/02; F16H2702/04; F16H2714/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084; Y10T74/19167; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/194
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A CHANGE-SPEED GEAR UNIT FOR A MOTOR VEHICLE TRANSMISSION OPERATIVELY CONNECTED TO AT LEAST ONE DRIVE AXLE AND HAVING A SPECIAL SPEED REDUCTION FOR RUNNING ON VARIED GROUND, SAID VEHICLE INCLUDING AN ENGINE, DRIVE SHAFT OPERATIVELY CONNECTED TO BE DRIVEN BY SAID ENGINE, SAID GEAR UNIT INCLUDING A CONVENTIONAL CHANGE-SPEED GEAR BOX AND AN ADDITIONAL SPEED REDUCTION GEARING OPERATIVELY CONNECTED TO SAID CHANGE-SPEED GEAR BOX, A PRIMARY SHAFT OPERATIVELY CONNECTED TO SAID DRIVE SHAFT, A SECONDARY SHAFT OPERATIVELY CONNECTED TO DRIVE SAID DRIVE AXLE, GEAR PINION MEANS ON EACH SAID SHAFT, AND MEANS FOR SELECTIVELY CONNECTING SAID GEAR PINION MEANS, SAID ADDITIONAL SPEED-REDUCTION GEAR COMPRISING SLIDING GEAR MEANS OPERATIVELY AND SELECTIVELY CONNECTING SAID ADDITIONAL SPEED-REDUCTION GEAR TO THE PRIMARY SHAFT THEREBY EFFECTING A SPEED REDUCTION OF THE DRIVE AXLE, A CENTRAL PINION DRIVEN BY SAID SECONDARY SHAFT, COUNTER GEARS OPERATIVELY CONNECTED TO SAID CENTRAL PINION FOR DRIVING OTHER DRIVE AXLES.
Claim 2
Dependent Claim
150 words
A CHANGE-SPEED GEAR UNIT FOR A MOTOR VEHICLE TRANSMISSION OPERATIVELY CONNECTED TO AT LEAST ONE DRIVE AXLE AND HAVING A SPECIAL SPEED REDUCTION FOR RUNNING ON VARIED GROUND, SAID VEHICLE INCLUDING AN ENGINE, DRIVE SHAFT OPERATIVELY CONNECTED TO BE DRIVEN BY SAID ENGINE, SAID GEAR UNIT INCLUDING A CONVENTIONAL CHANGE-SPEED GEAR BOX AND AN ADDITIONAL SPEED REDUCTION GEARING OPERATIVELY CONNECTED TO SAID CHANGE-SPEED GEAR BOX, A PRIMARY SHAFT OPERATIVELY CONNECTED TO SAID DRIVE SHAFT, A SECONDARY SHAFT OPERATIVELY CONNECTED TO DRIVE SAID DRIVE AXLE, GEAR PINION MEANS ON EACH SAID SHAFT, AND MEANS FOR SELECTIVELY CONNECTING SAID GEAR PINION MEANS, SAID ADDITIONAL SPEED-REDUCTION GEAR COMPRISING SLIDING GEAR MEANS OPERATIVELY AND SELECTIVELY CONNECTING SAID ADDITIONAL SPEED-REDUCTION GEAR TO THE PRIMARY SHAFT THEREBY EFFECTING A SPEED REDUCTION OF THE DRIVE AXLE, A CENTRAL PINION DRIVEN BY SAID SECONDARY SHAFT, COUNTER GEARS OPERATIVELY CONNECTED TO SAID CENTRAL PINION FOR DRIVING OTHER DRIVE AXLES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |