US3572170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch-brake operator for forward-reverse planet gears
Assignee: Case LLC
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Filing: 1969-10-01
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Granted: 1971-03-23
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Expires: 1989-10-01
Abstract
Abstract A CONTROL SYSTEM FOR THE CONVENTIONAL PLABETARY GEAR TRANSMISSION OF A SELF-PROPELLED AGRICULTURAL VEHICLE WHEREIN THE CLUTCH AND BRAKE ASSEMBLIES OF THE TRANSMISSION ARE OPERABLE TO INCUR FORWARD-NEUTRAL-REVERSE DRIVE IN RESPONSE TO MOVEMENT OF A CONTROL LEVER ACCESSIBLE TO THE OPERATOR. A CONTROL MEMBER IS ARRANGED TO MOVE AXIALLY IN RESPONSE TO ROTATION THEREOF ABOUT THE POWER INPUT SHAFT TO DISENGAGE THE CLUTCH ASSEMBLY AND THUS INCUR NEUTRAL DRIVE. CONTINUED ROTATION OF THE CONTROL MEMBER ACTUATES THE BRAKE ASSEMBLY TO INCUR REVERSE DRIVE WITH OUT FURTHER SIGNIFICANT AXIAL MOVEMENT OF THE CONTROL MEMBER, THEREBY PREVENTING OVERLOADING OF THE CLUTCH ASSEMBLY.
Inventors
- 👤 Donald K Tashiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:31
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/60; F16D; F16D67/00; F16D67/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18928; Y10T74/20; Y10T74/20012; Y10T74/20018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |