Patent US3157261A successfully refreshed from Google Patents.
US3157261A
Expired / Lapsed
US
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Programmed start and stop for a machine such as a sewing machine
Assignee: Necchi SpA
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Filing: 1961-09-07
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Granted: 1964-11-17
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Expires: 1981-09-07
Abstract
No abstract record available.
Inventors
- 👤 Bono Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:50
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/20; B23Q15/22; B23Q15/26; D; D05; D05B; D05B69/00; D05B69/22; G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/06; G05B19/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN COMBINATION, AN OPERATING MACHINE ADAPTED TO PERFORM A PROGRAM OF OPERATIONS, AN ELECTRIC MOTOR, AN ELECTROMAGNETIC CLUTCH CONNECTING SAID MOTOR TO THE MACHINE, AN ELECTROMAGNETIC BRAKE OPERATIVELY ENGAGED WITH THE MACHINE, A PROGRAMMING MEMBER DRIVEN BY THE MACHINE, MEANS TO FULLY ENERGIZE SAID CLUTCH TO START THE PROGRAM OF OPERATIONS, MEANS TO SIMULTANEOUSLY REDUCE THE ENERGIZATION AND TO PARTIALLY ENERGIZE SAID BRAKE AT A PREDETERMINED POINT IN SAID PROGRAM, MEANS TO STABILIZE THE MACHINE SPEED AT A REDUCED PREDETERMINED VALUE IMMEDIATELY SUBSEQUENT TO SAID FIRST-NAMED PREDETERMINED POINT IN THE PROGRAM, MEANS TO FURTHER REDUCE THE SPEED OF THE MACHINE AT A SUBSEQUENT POINT IN THE PROGRAM, AND MEANS RESPONSIVE TO THE REDUCTION OF THE SPEED OF THE MACHINE TO ANOTHER PREDETERMINED VALUE TO FULLY ENERGIZE SAID BRAKE AND STOP THE MACHINE.
Claim 2
Dependent Claim
132 words
IN COMBINATION, AN OPERATING MACHINE ADAPTED TO PERFORM A PROGRAM OF OPERATIONS, AN ELECTRIC MOTOR, AN ELECTROMAGNETIC CLUTCH CONNECTING SAID MOTOR TO THE MACHINE, AN ELECTROMAGNETIC BRAKE OPERATIVELY ENGAGED WITH THE MACHINE, A PROGRAMMING MEMBER DRIVEN BY THE MACHINE, MEANS TO FULLY ENERGIZE SAID CLUTCH TO START THE PROGRAM OF OPERATIONS, MEANS TO SIMULTANEOUSLY REDUCE THE ENERGIZATION AND TO PARTIALLY ENERGIZE SAID BRAKE AT A PREDETERMINED POINT IN SAID PROGRAM, MEANS TO STABILIZE THE MACHINE SPEED AT A REDUCED PREDETERMINED VALUE IMMEDIATELY SUBSEQUENT TO SAID FIRST-NAMED PREDETERMINED POINT IN THE PROGRAM, MEANS TO FURTHER REDUCE THE SPEED OF THE MACHINE AT A SUBSEQUENT POINT IN THE PROGRAM, AND MEANS RESPONSIVE TO THE REDUCTION OF THE SPEED OF THE MACHINE TO ANOTHER PREDETERMINED VALUE TO FULLY ENERGIZE SAID BRAKE AND STOP THE MACHINE.
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |