US3228496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gear-change mechanism
Assignee: Motors Liquidation Co
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Filing: 1962-10-31
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Granted: 1966-01-11
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Riehl Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:13
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0202; F16H61/0204; F16H61/0206; F16H61/0211; B; B60; B60W; B60W10/00; B60W10/02; B60W10/10; B60W30/00; B60W30/18; F16D; F16D48/00; F16D48/06; F16D48/068; F16D2500/00; F16D2500/30; F16D2500/314; F16D2500/31406; F16D2500/3144; F16D2500/316; F16D2500/3166; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/70418; F16H61/26; F16H61/28; F16H61/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
AN AUTOMATIC GEAR-CHANGE MECHANISM FOR EFFECTING REGULATION OF A SERVO-CONTROLLED CLUTCH CONJOINTLY WITH ALTERNATIVE ENGAGEMENT OF A PAIR OF RATIOS IN A SERVOCONTROLLED GEAR BOX, THE MECHANISM COMPRISING, CONTROL MEANS FOR SAID GEAR BOX HAVING A FIRST AND A SECOND RATIO DRIVE CONDITION, AN UPCHANGE SOLENOID OPERATIVELY CONNECTED TO SAID CONTROL MEANS ENERGIZABLE TO CONDITION SAID CONTROL MEANS FOR SAID FIRST RATIO DRIVE CONDITION, A DOWNCHANGE SOLENOID OPERATIVELY CONNECTED TO SAID CONTROL MEANS ENERGIZABLE TO CONDITION SAID CONTROL MEANS FOR SAID SECOND RATIO DRIVE CONDITION SAID CONTROL MEANS MEANS, CLUTCH ACTUATING SOLENOID MEANS ENERGIZABLE TO CONDITION THE CLUTCH OPERATING MEANS FOR CLUTCH DISENGAGEMENT, A TORQUE DEMAND CONTROL MEANS, A FIRST CIRCUIT FOR SAID UPCHANGE SOLENOID AND A SECOND CIRCUIT FOR SAID DOWNCHANGE SOLENOID, CHANGE-OVER SWITCH MEANS MOVABLE IN RESPONSE TO OPPOSED PRESSURE DEPENDENT ON THE TRANSMISSION SPEED OF THE GEAR BOX AND THE POSITION OF SAID TORQUE DEMAND CONTROL MEANS TO ENERGIZE SAID CLUTCH ACTUATION SOLENOID MEANS AND TO SELECTIVELY COMPLETE SAID FIRST CIRCUIT OR SAID SECOND FIRST CIRCUIT.
Claim 2
Dependent Claim
169 words
AN AUTOMATIC GEAR-CHANGE MECHANISM FOR EFFECTING REGULATION OF A SERVO-CONTROLLED CLUTCH CONJOINTLY WITH ALTERNATIVE ENGAGEMENT OF A PAIR OF RATIOS IN A SERVOCONTROLLED GEAR BOX, THE MECHANISM COMPRISING, CONTROL MEANS FOR SAID GEAR BOX HAVING A FIRST AND A SECOND RATIO DRIVE CONDITION, AN UPCHANGE SOLENOID OPERATIVELY CONNECTED TO SAID CONTROL MEANS ENERGIZABLE TO CONDITION SAID CONTROL MEANS FOR SAID FIRST RATIO DRIVE CONDITION, A DOWNCHANGE SOLENOID OPERATIVELY CONNECTED TO SAID CONTROL MEANS ENERGIZABLE TO CONDITION SAID CONTROL MEANS FOR SAID SECOND RATIO DRIVE CONDITION SAID CONTROL MEANS MEANS, CLUTCH ACTUATING SOLENOID MEANS ENERGIZABLE TO CONDITION THE CLUTCH OPERATING MEANS FOR CLUTCH DISENGAGEMENT, A TORQUE DEMAND CONTROL MEANS, A FIRST CIRCUIT FOR SAID UPCHANGE SOLENOID AND A SECOND CIRCUIT FOR SAID DOWNCHANGE SOLENOID, CHANGE-OVER SWITCH MEANS MOVABLE IN RESPONSE TO OPPOSED PRESSURE DEPENDENT ON THE TRANSMISSION SPEED OF THE GEAR BOX AND THE POSITION OF SAID TORQUE DEMAND CONTROL MEANS TO ENERGIZE SAID CLUTCH ACTUATION SOLENOID MEANS AND TO SELECTIVELY COMPLETE SAID FIRST CIRCUIT OR SAID SECOND FIRST CIRCUIT.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |