Patent US3146842A successfully refreshed from Google Patents.
US3146842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-speed tandem drive axle mechanism
Assignee: Eaton Corp
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Filing: 1961-06-01
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Granted: 1964-09-01
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Expires: 1981-06-01
Abstract
No abstract record available.
Inventors
- 👤 Robert K Nelson
- 👤 Andrew J Nenadal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:42
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/34; B60K17/344; B60K17/346; B60K17/3467; B60K17/36; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A MULTIPLE AXLE MECHANISM COMPRISING: AN INPUT SHAFT; A DIFFERENTIAL DRIVE MECHANISM HAVING ONE INPUT AND TWO OUTPUT CONNECTIONS, SAID INPUT CONNECTION BEING CONNECTED TO SAID INPUT SHAFT; A FIRST AXLE AND AXLE DRIVING MEANS INCLUDING A GEAR SET HAVING AT LEAST TWO SPEED RATIOS THEREIN DRIVINGLY CONNECTING ONE OUTPUT CONNECTION OF SAID DIFFERENTIAL DRIVE MECHANISM WITH SAID FIRST AXLE; A SECOND AXLE AND AXLE DRIVING MEANS INCLUDING A GEAR SET HAVING AT LEAST TWO SPEED RATIOS THEREIN DRIVINGLY CONNECTING THE OTHER OUTPUT CONNECTION OF SAID DIFFERENTIAL DRIVE MECHANISM WITH SAID SECOND AXLE; A FIRST FORCE MEANS ACTING ON EACH OF SAID GEAR SETS FOR PLACING AND HOLDING BOTH OF SAID GEAR SETS SIMULTANEOUSLY IN THE FIRST OF SAID TWO SPEED RATIOS; SECOND FORCE MEANS INDIVIDUALLY CONNECTED TO SAID GEAR
Claim 2
Dependent Claim
130 words
A MULTIPLE AXLE MECHANISM COMPRISING: AN INPUT SHAFT; A DIFFERENTIAL DRIVE MECHANISM HAVING ONE INPUT AND TWO OUTPUT CONNECTIONS, SAID INPUT CONNECTION BEING CONNECTED TO SAID INPUT SHAFT; A FIRST AXLE AND AXLE DRIVING MEANS INCLUDING A GEAR SET HAVING AT LEAST TWO SPEED RATIOS THEREIN DRIVINGLY CONNECTING ONE OUTPUT CONNECTION OF SAID DIFFERENTIAL DRIVE MECHANISM WITH SAID FIRST AXLE; A SECOND AXLE AND AXLE DRIVING MEANS INCLUDING A GEAR SET HAVING AT LEAST TWO SPEED RATIOS THEREIN DRIVINGLY CONNECTING THE OTHER OUTPUT CONNECTION OF SAID DIFFERENTIAL DRIVE MECHANISM WITH SAID SECOND AXLE; A FIRST FORCE MEANS ACTING ON EACH OF SAID GEAR SETS FOR PLACING AND HOLDING BOTH OF SAID GEAR SETS SIMULTANEOUSLY IN THE FIRST OF SAID TWO SPEED RATIOS; SECOND FORCE MEANS INDIVIDUALLY CONNECTED TO SAID GEAR
References Cited (Backward Citations)
US2064262A
Cited
US2213981A
Cited
US2618359A
Cited
US2462779A
Cited
US2603108A
Cited
US2754692A
Cited
US2981126A
Cited
US2860726A
Cited
US2842226A
Cited
US2971393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |