US3138965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change speed transmission
Assignee: Eaton Corp
•
Filing: 1961-08-31
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Granted: 1964-06-30
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Expires: 1981-08-31
Abstract
No abstract record available.
Inventors
- 👤 Harold E Brey
- 👤 Charles M Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:06
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; F16H3/097; F16H2003/0826; F16H2714/00; F16H2714/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
MECHANICAL RATIO SHIFTING APPARATUS COMPRISING IN COMBINATION: AN INPUT SHAFT; AN OUTPUT SHAFT; FIRST AND SECOND COUNTERSHAFTS; CLUTCHING AND RATIO CHANGING DRIVING MEANS BETWEEN SAID INPUT SHAFT AND SAID FIRST COUNTERSHAFT FOR SELECTIVELY DRIVING SAID FIRST COUNTERSHAFT FROM SAID INPUT SHAFT AND INDEPENDENTLY OF SAID SECOND COUNTERSHAFT AND OTHER CLUTCHING AND RATIO CHANGING DRIVING MEANS BETWEEN SAID INPUT SHAFT AND SAID SECOND COUNTERSHAFT FOR SELECTIVELY DRIVING SAID SECOND COUNTERSHAFT FROM SAID INPUT SHAFT AND INDEPENDENTLY OF SAID FIRST COUNTERSHAFT; MEANS CONTINUOUSLY CONNECTING SAID FIRST COUNTERSHAFT AND SAID SECOND COUNTERSHAFT FOR ROTATION IN THE SAME ROTATIONAL DIRECTION; MEANS FOR DRIVING SAID OUTPUT SHAFT FROM SAID FIRST COUNTERSHAFT AT A SELECTED ONE OF TWO RATIOS.
Claim 2
Dependent Claim
113 words
MECHANICAL RATIO SHIFTING APPARATUS COMPRISING IN COMBINATION: AN INPUT SHAFT; AN OUTPUT SHAFT; FIRST AND SECOND COUNTERSHAFTS; CLUTCHING AND RATIO CHANGING DRIVING MEANS BETWEEN SAID INPUT SHAFT AND SAID FIRST COUNTERSHAFT FOR SELECTIVELY DRIVING SAID FIRST COUNTERSHAFT FROM SAID INPUT SHAFT AND INDEPENDENTLY OF SAID SECOND COUNTERSHAFT AND OTHER CLUTCHING AND RATIO CHANGING DRIVING MEANS BETWEEN SAID INPUT SHAFT AND SAID SECOND COUNTERSHAFT FOR SELECTIVELY DRIVING SAID SECOND COUNTERSHAFT FROM SAID INPUT SHAFT AND INDEPENDENTLY OF SAID FIRST COUNTERSHAFT; MEANS CONTINUOUSLY CONNECTING SAID FIRST COUNTERSHAFT AND SAID SECOND COUNTERSHAFT FOR ROTATION IN THE SAME ROTATIONAL DIRECTION; MEANS FOR DRIVING SAID OUTPUT SHAFT FROM SAID FIRST COUNTERSHAFT AT A SELECTED ONE OF TWO RATIOS.
References Cited (Backward Citations)
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US2788874A
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US2972899A
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US3073423A
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US3064488A
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US3080767A
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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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |