US3146842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-speed tandem drive axle mechanism
Assignee: Eaton Corp
•
Filing: 1961-06-01
•
Granted: 1964-09-01
•
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
2026-10-24 03:44
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
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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) | 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 |