Patent US3242765A successfully refreshed from Google Patents.
US3242765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for the rapid starting of a mechanism
Assignee: Robert Bosch Fernsehanlagen GmbH
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Filing: 1963-02-26
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Granted: 1966-03-29
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Expires: 1983-02-26
Abstract
No abstract record available.
Inventors
- 👤 Zahn Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:49
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/02; F16D27/04; F16D27/08; F16D48/00; F16D48/06; F16D48/064; H; H02; H02P; H02P1/00; H02P1/16; H02P1/166; H04; H04N; H04N5/00; H04N5/04; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/30; F16D2500/316; F16D2500/3165; F16D2500/3166; F16D2500/50; F16D2500/52; F16D2500/525; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/7041; F16D2500/70414; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
SYSTEM FOR THE RAPID ACCELERATION OF A FILM TRANSPORT MECHANISM INCLUDING A SYNCHRONOUS DRIVING MOTOR FROM STANDSTILL TO A SPECIFIED SPEED CORRESPONDING TO THE SYNCHRONOUS SPEED OF SAID DRIVING MOTOR, COMPRISING A MAIN DRIVING SHAFT CONNECTING SAID ACCELERATION SYSTEM TO SAID FILM TRANSPORT MECHANISM, A FLYWHEEL ROTATING ON BEARINGS ON SAID DRIVING SHAFT, AN AUXILIARY ROTOR FOR DRIVING SAID FLYWHEEL WITH AN INITIAL SPEED, AN ELECTROMAGNETIC CLUTCH INCLUDING A CLUTCH DISC MOVABLY KEYED TO SAID SHAFT AND ADAPTED TO ENGAGE SAID FLYWHEEL, THE MOMENT OF INERTIA OF SAID FLYWHEEL AND SAID INITIAL SPEED BEING SUCH IN RELATION TO THE MOMENT OF INERTIA OF SAID MECHANISM THAT UPON ENGAGEMENT OF SAID CLUTCH SUCH AN AMOUNT OF KINETIC ENERGY IS TRANSFERRED FROM SAID FLYWHEEL TO SAID MECHANISM THROUGH THE ENGAGED CLUTCH THAT THE MECHANISM IS ACCELERATED FROM STANDSTILL TO SAID SPECIFIED SPEED AND SAID FLYWHEEL IS DECELERATED FROM SAID INITIAL SPEED TO SAID SPECIFIED SPEED, AND MEANS TO PRODUCE DISENGAGEMENT OF SAID CLUTCH AFTER A PREDETERMINED TIME SPACED WHICH IS GREATER THAN THE TIME PERIOD REQUIRED FOR SAID MECHANISM AND SAID FLYWHEEL TO ATTAIN SAID SPECIFIED SPEED.
Claim 2
Dependent Claim
185 words
SYSTEM FOR THE RAPID ACCELERATION OF A FILM TRANSPORT MECHANISM INCLUDING A SYNCHRONOUS DRIVING MOTOR FROM STANDSTILL TO A SPECIFIED SPEED CORRESPONDING TO THE SYNCHRONOUS SPEED OF SAID DRIVING MOTOR, COMPRISING A MAIN DRIVING SHAFT CONNECTING SAID ACCELERATION SYSTEM TO SAID FILM TRANSPORT MECHANISM, A FLYWHEEL ROTATING ON BEARINGS ON SAID DRIVING SHAFT, AN AUXILIARY ROTOR FOR DRIVING SAID FLYWHEEL WITH AN INITIAL SPEED, AN ELECTROMAGNETIC CLUTCH INCLUDING A CLUTCH DISC MOVABLY KEYED TO SAID SHAFT AND ADAPTED TO ENGAGE SAID FLYWHEEL, THE MOMENT OF INERTIA OF SAID FLYWHEEL AND SAID INITIAL SPEED BEING SUCH IN RELATION TO THE MOMENT OF INERTIA OF SAID MECHANISM THAT UPON ENGAGEMENT OF SAID CLUTCH SUCH AN AMOUNT OF KINETIC ENERGY IS TRANSFERRED FROM SAID FLYWHEEL TO SAID MECHANISM THROUGH THE ENGAGED CLUTCH THAT THE MECHANISM IS ACCELERATED FROM STANDSTILL TO SAID SPECIFIED SPEED AND SAID FLYWHEEL IS DECELERATED FROM SAID INITIAL SPEED TO SAID SPECIFIED SPEED, AND MEANS TO PRODUCE DISENGAGEMENT OF SAID CLUTCH AFTER A PREDETERMINED TIME SPACED WHICH IS GREATER THAN THE TIME PERIOD REQUIRED FOR SAID MECHANISM AND SAID FLYWHEEL TO ATTAIN SAID SPECIFIED SPEED.
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |