US3102432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple speed forward and reverse transmission
Assignee: Dana Inc
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Filing: 1961-01-25
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Granted: 1963-09-03
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Expires: 1981-01-25
Abstract
No abstract record available.
Inventors
- 👤 Gerst Chris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:24
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; F16H2003/0936; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19233; Y10T74/19377; Y10T74/19386; Y10T74/19405; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A FORWARD AND REVERSE REDUCTION TRANSMISSION COMPRISING A PAIR OF CLUTCH SHAFTS GEARED TOGETHER FOR ROTATION IN OPPOSITE DIRECTIONS, A COUNTERSHAFT HAVING FIRST AND SECOND GEARS FIXED THEREON FOR ROTATION THEREWITH, A FIRST SET OF GEARS INCLUDING A FORWARD DRIVE GEAR JOURNALED ON ONE CLUTCH SHAFT AND A REVERSE DRIVE GEAR JOURNALED ON THE OTHER CLUTCH SHAFT MESHED WITH SAID FIRST GEAR ON SAID COUNTERSHAFT, A SECOND SET OF GEARS INCLUDING A FORWARD DRIVE GEAR JOURNALED ON ONE CLUTCH SHAFT AND A REVERSE DRIVE GEAR JOURNALED ON THE OTHER CLUTCH SHAFT MESHED WITH SAID SECOND GEAR ON SAID COUNTERSHAFT, A NORMALLY DISENGAGED CLUTCH OPERATIVELY DISPOSED BETWEEN EACH OF SAID FORWARD AND REVERSE DRIVE GEARS AND ITS RESPECTIVE CLUTCH SHAFT AND OPERABLE WHEN ENGAGED FOR COUPLING SUCH GEAR WITH THE CLUTCH SHAFT ON WHICH IT IS JOURNALED, A PLURALITY OF GEARS JOURNALED ON SAID COUNTERSHAFT FOR ROTATION RELATIVE THERETO, A NORMALLY DISENGAGED CLUTCH OPERATIVELY DISPOSED BETWEEN EACH GEAR OF SAID PLURALITY OF GEARS ON SAID COUNTERSHAFT AND SAID COUNTERSHAFT AND OPERABLE WHEN ENGAGED FOR COUPLING SUCH GEAR WITH SAID COUNTERSHAFT FOR ROTATION THEREWITH, AND AN OUTPUT SHAFT DISPOSED PARALLEL TO SAID COUNTERSHAFT AND HAVING GEARS THEREON EACH MESHED WITH ONE OF SAID PLURALITY OF GEARS ON SAID COUNTERSHAFT, SAID CLUTCHES ON SAID CLUTCH SHAFT AND SAID COUNTERSHAFT BEING SELECTIVELY ENGAGEABLE.
Claim 2
Dependent Claim
219 words
A FORWARD AND REVERSE REDUCTION TRANSMISSION COMPRISING A PAIR OF CLUTCH SHAFTS GEARED TOGETHER FOR ROTATION IN OPPOSITE DIRECTIONS, A COUNTERSHAFT HAVING FIRST AND SECOND GEARS FIXED THEREON FOR ROTATION THEREWITH, A FIRST SET OF GEARS INCLUDING A FORWARD DRIVE GEAR JOURNALED ON ONE CLUTCH SHAFT AND A REVERSE DRIVE GEAR JOURNALED ON THE OTHER CLUTCH SHAFT MESHED WITH SAID FIRST GEAR ON SAID COUNTERSHAFT, A SECOND SET OF GEARS INCLUDING A FORWARD DRIVE GEAR JOURNALED ON ONE CLUTCH SHAFT AND A REVERSE DRIVE GEAR JOURNALED ON THE OTHER CLUTCH SHAFT MESHED WITH SAID SECOND GEAR ON SAID COUNTERSHAFT, A NORMALLY DISENGAGED CLUTCH OPERATIVELY DISPOSED BETWEEN EACH OF SAID FORWARD AND REVERSE DRIVE GEARS AND ITS RESPECTIVE CLUTCH SHAFT AND OPERABLE WHEN ENGAGED FOR COUPLING SUCH GEAR WITH THE CLUTCH SHAFT ON WHICH IT IS JOURNALED, A PLURALITY OF GEARS JOURNALED ON SAID COUNTERSHAFT FOR ROTATION RELATIVE THERETO, A NORMALLY DISENGAGED CLUTCH OPERATIVELY DISPOSED BETWEEN EACH GEAR OF SAID PLURALITY OF GEARS ON SAID COUNTERSHAFT AND SAID COUNTERSHAFT AND OPERABLE WHEN ENGAGED FOR COUPLING SUCH GEAR WITH SAID COUNTERSHAFT FOR ROTATION THEREWITH, AND AN OUTPUT SHAFT DISPOSED PARALLEL TO SAID COUNTERSHAFT AND HAVING GEARS THEREON EACH MESHED WITH ONE OF SAID PLURALITY OF GEARS ON SAID COUNTERSHAFT, SAID CLUTCHES ON SAID CLUTCH SHAFT AND SAID COUNTERSHAFT BEING SELECTIVELY ENGAGEABLE.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |