US3302475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission with lock out of overrun
Assignee: Massey Ferguson Inc
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Filing: 1964-04-09
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Granted: 1967-02-07
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Expires: 1984-04-09
Abstract
No abstract record available.
Inventors
- 👤 Lee E Elfes
- 👤 Francuch Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:35
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/3023; F16D; F16D7/00; F16D7/04; F16D7/042; F16D7/044; F16H3/00; F16H3/006; F16H3/02; F16H3/08; F16H3/16; F16H2714/00; F16H2714/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19228; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19447
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A CHANGE SPEED TRANSMISSION INCLUDING A DRIVING SHAFT AND A DRIVEN SHAFT, FIRST GEAR MEANS FOR TRANSMITTING DRIVE BETWEEN SAID SHAFTS AT ONE GEAR RATIO, FIRST DRIVE ESTABLISHING MEANS FOR ESTABLISHING AND DISESTABLISHING TWO-WAY DRIVE BETWEEN SAID SHAFTS THROUGH SAID FIRST GEAR MEANS, SECOND GEAR MEANS FOR TRANSMITTING DRIVE BETWEEN SAID SHAFTS AT A SECOND GEAR RATIO, SECOND DRIVE ESTABLISHING MEANS FOR SELECTIVELY ESTABLISHING AND DISESTABLISHING ONE-WAY OR POSITIVE TWO-WAY DRIVE BETWEEN SAID SHAFTS THROUGH SAID SECOND GEAR MEANS, SAID SECOND DRIVE MEANS BEING AUTOMATICALLY RESPONSIVE TO TRANSMIT ONEWAY DRIVE BETWEEN SAID SHAFTS THROUGH SAID SECOND GEAR MEANS WHEN SAID FIRST DRIVE ESTABLISHING MEANS IS CONDITIONED TO DISESTABLISH DRIVE BETWEEN SAID SHAFTS THROUGH SAID FIRST GEAR MEANS AND TO AUTOMATICALLY OVERRUN WHEN SAID FIRST DRIVE ESTABLISHING MEANS IS CONDITIONED TO ESTABLISH DRIVE BETWEEN SAID SHAFTS, AND MEANS FOR PREVENTING SAID SECOND DRIVE ESTABLISHING MEANS FROM OOVERRUNNING BY CONDITIONING SAID SECOND DRIVE ESTABLISHING MEANS IN SAID POSITIVE TWO-WAY DRIVE CONDITION AFTER SAID SECOND DRIVE HAS ESTABLISHED SAID AUTOMATIC ONE-WAY DRIVE IN RESPONSE TO SAID FIRST DRIVE ESTABLISHING MEANS BEING CONDITIONED TO DISESTABLISH DRIVE.
Claim 2
Dependent Claim
182 words
A CHANGE SPEED TRANSMISSION INCLUDING A DRIVING SHAFT AND A DRIVEN SHAFT, FIRST GEAR MEANS FOR TRANSMITTING DRIVE BETWEEN SAID SHAFTS AT ONE GEAR RATIO, FIRST DRIVE ESTABLISHING MEANS FOR ESTABLISHING AND DISESTABLISHING TWO-WAY DRIVE BETWEEN SAID SHAFTS THROUGH SAID FIRST GEAR MEANS, SECOND GEAR MEANS FOR TRANSMITTING DRIVE BETWEEN SAID SHAFTS AT A SECOND GEAR RATIO, SECOND DRIVE ESTABLISHING MEANS FOR SELECTIVELY ESTABLISHING AND DISESTABLISHING ONE-WAY OR POSITIVE TWO-WAY DRIVE BETWEEN SAID SHAFTS THROUGH SAID SECOND GEAR MEANS, SAID SECOND DRIVE MEANS BEING AUTOMATICALLY RESPONSIVE TO TRANSMIT ONEWAY DRIVE BETWEEN SAID SHAFTS THROUGH SAID SECOND GEAR MEANS WHEN SAID FIRST DRIVE ESTABLISHING MEANS IS CONDITIONED TO DISESTABLISH DRIVE BETWEEN SAID SHAFTS THROUGH SAID FIRST GEAR MEANS AND TO AUTOMATICALLY OVERRUN WHEN SAID FIRST DRIVE ESTABLISHING MEANS IS CONDITIONED TO ESTABLISH DRIVE BETWEEN SAID SHAFTS, AND MEANS FOR PREVENTING SAID SECOND DRIVE ESTABLISHING MEANS FROM OOVERRUNNING BY CONDITIONING SAID SECOND DRIVE ESTABLISHING MEANS IN SAID POSITIVE TWO-WAY DRIVE CONDITION AFTER SAID SECOND DRIVE HAS ESTABLISHED SAID AUTOMATIC ONE-WAY DRIVE IN RESPONSE TO SAID FIRST DRIVE ESTABLISHING MEANS BEING CONDITIONED TO DISESTABLISH DRIVE.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |