US3303726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic transmission
Assignee: Motors Liquidation Co
•
Filing: 1965-10-13
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Granted: 1967-02-14
•
Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Howard W Christenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:34
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
IN A MECHANISM FOR THE TRANSMISSION OF TORQUE, A DRIVING MEMBER, A DRIVEN MEMBER, PLANETARY GEARING INTERRELATED WITH THE DRIVING AND DRIVEN MEMBERS AND INCLUDING A RING GEAR MEMBER, A SUN GEAR MEMBER, A CARRIER MEMBER WITH PLANETARY GEARS THEREON, A SHIFTABLE BRAKE MEMBER CONNECTED TO ONE OF THE PLANETARY GEAR MEMBERS, A STATIONARY BRAKE MEMBER THEREFOR, THE GEAR MEMBERS HAVING HELICAL TEETH SO ARRANGED THAT WHEN LOADED BY THE TRANSMISSION OF TORQUE THE FRICTION BRAKE MEMBER IS SHIFTED THEREBY INTO ENGAGEMENT WITH THE STATIONARY BRAKE MEMBER, A PLATE CLUTCH FOR INTERCONNECTING TWO MEMBERS OF THE PLANETARY GEARING, MEANS FOR APPLYING PACKING PRESSURE ON ONE SIDE OF THE CLUTCH TO ENGAGE IT, THE SHIFTABLE BRAKE MEMBER BEING POSITIONED TO TAKE THE REACTION OF THE PACKING PRESSURE TO INITIALLY LIMIT THE REACTION AND PACKING PRESSURES TO LIMIT CLUTCH TORQUE CAPACITY PROPORTIONAL TO LOAD AND BEING SHIFTABLE OUT OF ENGAGEMENT WITH THE STATIONARY BRAKE MEMBER BY SAID PACKING PRESSURE, MEANS FOR RELEASING THE PACKING PRESSURE FOR THE CLUTCH, WHEREBY THE TORQUE LOAD ON THE HELICAL GEAR TEETH SHIFTS THE FRICTION BRAKE MEMBER INTO ENGAGEMENT WITH THE STATIONARY BRAKE MEMBER DURING THE RELEASING OF THE CLUTCH, AND ADDITIONAL MEANS FOR APPLYING PRESSURE TO THE SHIFTABLE BRAKE MEMBER URGING IT INTO ENGAGEMENT WITH THE STATIONARY BRAKE MEMBER.
Claim 2
Dependent Claim
213 words
IN A MECHANISM FOR THE TRANSMISSION OF TORQUE, A DRIVING MEMBER, A DRIVEN MEMBER, PLANETARY GEARING INTERRELATED WITH THE DRIVING AND DRIVEN MEMBERS AND INCLUDING A RING GEAR MEMBER, A SUN GEAR MEMBER, A CARRIER MEMBER WITH PLANETARY GEARS THEREON, A SHIFTABLE BRAKE MEMBER CONNECTED TO ONE OF THE PLANETARY GEAR MEMBERS, A STATIONARY BRAKE MEMBER THEREFOR, THE GEAR MEMBERS HAVING HELICAL TEETH SO ARRANGED THAT WHEN LOADED BY THE TRANSMISSION OF TORQUE THE FRICTION BRAKE MEMBER IS SHIFTED THEREBY INTO ENGAGEMENT WITH THE STATIONARY BRAKE MEMBER, A PLATE CLUTCH FOR INTERCONNECTING TWO MEMBERS OF THE PLANETARY GEARING, MEANS FOR APPLYING PACKING PRESSURE ON ONE SIDE OF THE CLUTCH TO ENGAGE IT, THE SHIFTABLE BRAKE MEMBER BEING POSITIONED TO TAKE THE REACTION OF THE PACKING PRESSURE TO INITIALLY LIMIT THE REACTION AND PACKING PRESSURES TO LIMIT CLUTCH TORQUE CAPACITY PROPORTIONAL TO LOAD AND BEING SHIFTABLE OUT OF ENGAGEMENT WITH THE STATIONARY BRAKE MEMBER BY SAID PACKING PRESSURE, MEANS FOR RELEASING THE PACKING PRESSURE FOR THE CLUTCH, WHEREBY THE TORQUE LOAD ON THE HELICAL GEAR TEETH SHIFTS THE FRICTION BRAKE MEMBER INTO ENGAGEMENT WITH THE STATIONARY BRAKE MEMBER DURING THE RELEASING OF THE CLUTCH, AND ADDITIONAL MEANS FOR APPLYING PRESSURE TO THE SHIFTABLE BRAKE MEMBER URGING IT INTO ENGAGEMENT WITH THE STATIONARY BRAKE MEMBER.
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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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |