US3224299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential mechanism
Assignee: Borg Warner Corp
•
Filing: 1962-09-07
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Granted: 1965-12-21
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Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 John W Holdeman
- 👤 William G Jeakle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/22; F16H48/06; F16H48/08; F16H2048/085; F16H48/38; F16H2048/382
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A DIFFERENTIAL MECHANISM; A CASING INCLUDING ACCESS APERTURES; DIFFERENTIAL GEARING IN SAID CASING, SAID DIFFERENTIAL GEARING INCLUDING A PAIR OF SIDE GEARS AND A PINION GEAR ROTATABLY MOUNTED IN SAID CASING ON A CROSS SHAFT; A PAIR OF OUTPUT SHAFTS EACH HAVING A TERMINAL PORTION EXTENDING INTO SAID CASING AND BEING DRIVINGLY CONNECTED TO SAID SIDE GEARS RESPECTIVELY; DIFFERENTIATION RETARDING MEANS IN SAID CASING ADAPTED, WHEN ENGAGED, TO CLUTCH SAID CASING AND SAID OUTPUT SHAFTS TOGETHER FOR CONJOINT ROTATION; PRELOAD MEANS NORMALLY URGING SAID DIFFERENTIATION RETARDING MEANS INTO ENGAGEMENT, SAID PRELOAD MEANS COMPRISING AT LEAST ONE CARTRIDGE-TYPE RESILIENT ASSEMBLY, SAID ASSEMBLY INCLUDING SPRING RETAINER MEANS INCLUDING A PAIR OF MUTUALLY CONNECTED MEMBERS PROVIDING LIMITED MOVEMENT TOWARD AND AWAY FROM EACH OTHER AND SPRING MEANS OPERATIVELY ASSOCIATED WITH SAID RETAINER MEANS FOR URGING SAID RETAINERS OUTWARDLY.
Claim 2
Dependent Claim
136 words
IN A DIFFERENTIAL MECHANISM; A CASING INCLUDING ACCESS APERTURES; DIFFERENTIAL GEARING IN SAID CASING, SAID DIFFERENTIAL GEARING INCLUDING A PAIR OF SIDE GEARS AND A PINION GEAR ROTATABLY MOUNTED IN SAID CASING ON A CROSS SHAFT; A PAIR OF OUTPUT SHAFTS EACH HAVING A TERMINAL PORTION EXTENDING INTO SAID CASING AND BEING DRIVINGLY CONNECTED TO SAID SIDE GEARS RESPECTIVELY; DIFFERENTIATION RETARDING MEANS IN SAID CASING ADAPTED, WHEN ENGAGED, TO CLUTCH SAID CASING AND SAID OUTPUT SHAFTS TOGETHER FOR CONJOINT ROTATION; PRELOAD MEANS NORMALLY URGING SAID DIFFERENTIATION RETARDING MEANS INTO ENGAGEMENT, SAID PRELOAD MEANS COMPRISING AT LEAST ONE CARTRIDGE-TYPE RESILIENT ASSEMBLY, SAID ASSEMBLY INCLUDING SPRING RETAINER MEANS INCLUDING A PAIR OF MUTUALLY CONNECTED MEMBERS PROVIDING LIMITED MOVEMENT TOWARD AND AWAY FROM EACH OTHER AND SPRING MEANS OPERATIVELY ASSOCIATED WITH SAID RETAINER MEANS FOR URGING SAID RETAINERS OUTWARDLY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |