US3129600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-speed speed reducer
Assignee: Dodge Manufacturing Corp
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Filing: 1960-07-29
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Granted: 1964-04-21
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Expires: 1980-07-29
Abstract
No abstract record available.
Inventors
- 👤 Chung Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:23
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/194; Y10T74/19409; Y10T74/19414; Y10T74/1947
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A SPEED-REDUCING GEAR TRANSMISSION INCLUDING AN INPUT SHAFT, TEETH CARRIED THEREON FORMING A PINION AND HAVING ENDS EXPOSED IN ONE DIRECTION FORMING A CLUTCH HALF, AN AXIALLY SHIFTABLE ASSEMBLY ON SAID AND INCLUDING A MATING CLUTCH HALF AN A PINION ROTATING THEREWITH, AN OUTPUT SHAFT, A GEAR ON SAID OUTPUT SHAFT CONSTANTLY MESHING WITH THE PINION OF THE SHIFTABLE ASSEMBLY, A COUNTERSHAFT, AN INTERMEDIATE GEAR ON SAID COUNTERSHAFT CONSTANTLY MESHING WITH SAID TEETH AND SLIDEABLE AXIALLY THEREON AND ON THE COUNTERSHAFT, A CLUTCH HALF ROTATING WITH SAID INTERMEDIATE GEAR AND FORMING WITH IT A SECOND SHIFTABLE ASSEMBLY, TEETH ON SAID COUNTERSHAFT CONSTANTLY MESHING WITH THE FIRST NAMED GEAR AND HAVING ENDS EXPOSED IN THE OPPOSITE DIRECTION FORMING A CLUTCH HALF MATING WITH THE LAST NAMED CLUTCH HALF, AND SHIFT MEANS FOR JOINTLY MOVING SAID SHIFTABLE ASSEMBLIES TO ENGAGE ONE CLUTCH WHEN SHIFTED IN ONE DIRECTION FROM NEUTRAL AND THE OTHER CLUTCH WHEN SHIFTED IN THE OPPOSITE DIRECTION FROM NEUTRAL.
Claim 2
Dependent Claim
159 words
A SPEED-REDUCING GEAR TRANSMISSION INCLUDING AN INPUT SHAFT, TEETH CARRIED THEREON FORMING A PINION AND HAVING ENDS EXPOSED IN ONE DIRECTION FORMING A CLUTCH HALF, AN AXIALLY SHIFTABLE ASSEMBLY ON SAID AND INCLUDING A MATING CLUTCH HALF AN A PINION ROTATING THEREWITH, AN OUTPUT SHAFT, A GEAR ON SAID OUTPUT SHAFT CONSTANTLY MESHING WITH THE PINION OF THE SHIFTABLE ASSEMBLY, A COUNTERSHAFT, AN INTERMEDIATE GEAR ON SAID COUNTERSHAFT CONSTANTLY MESHING WITH SAID TEETH AND SLIDEABLE AXIALLY THEREON AND ON THE COUNTERSHAFT, A CLUTCH HALF ROTATING WITH SAID INTERMEDIATE GEAR AND FORMING WITH IT A SECOND SHIFTABLE ASSEMBLY, TEETH ON SAID COUNTERSHAFT CONSTANTLY MESHING WITH THE FIRST NAMED GEAR AND HAVING ENDS EXPOSED IN THE OPPOSITE DIRECTION FORMING A CLUTCH HALF MATING WITH THE LAST NAMED CLUTCH HALF, AND SHIFT MEANS FOR JOINTLY MOVING SAID SHIFTABLE ASSEMBLIES TO ENGAGE ONE CLUTCH WHEN SHIFTED IN ONE DIRECTION FROM NEUTRAL AND THE OTHER CLUTCH WHEN SHIFTED IN THE OPPOSITE DIRECTION FROM NEUTRAL.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |