US3232399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed drive system
Assignee: Motors Liquidation Co
•
Filing: 1963-10-28
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Granted: 1966-02-01
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 John L Harned
- 👤 Keith M Miller
- 👤 Sudhindranath Pyati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/08; F16H; F16H35/00; H; H02; H02P; H02P29/00; H02P29/0016; H02P29/0027
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
A CONTROLLABLE DRIVE CONNECTION FOR TRANSMITTING ROTARY ENERGY FROM A DRIVING SOURCE TO A DRIVEN LOAD, THE CONNECTION COMPRISING: CLUTCH MEANS HAVING AN INPUT MEMBER, AN OUTPUT MEMBER AND A CONTROL MEMBER, THE CLUTCH BEING NORMALLY DISENGAGED BUT RESPONSIVE TO THE APPLICATION OF AN INPUT SIGNAL TO THE CONTROL MEMBER TO FULLY ENGAGE THE INPUT AND OUTPUT MEMBER, THE INPUT MEMBER BEING CONNECTED TO THE SOURCE; ROTARY ENERGY STORAGE MEANS CONNECTED BETWEEN THE OUTPUT MEMBER AND THE LOAD AND EFFECTIVE TO TRANSMIT A PREDETERMINED PORTION OF THE ENERGY FROM THE OUTPUT MEMBER TO THE LOAD WHEN THE CLUTCH IS ENERGIZED AND TO STORE THE REMAINDER OF THE ENERGY; MEANS TO PREVENT A RETURN OF THE STORED ENERGY FROM THE ENERGY STORAGE MEANS TO THE OUTPUT MEMBER WHEN THE CLUTCH IS DISENGAGED WHEREBY DISENGAGEMENT OF THE CLUTCH DIRECTS SAID STORED ENERGY TO THE LOAD; A SOURCE
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |