Patent US3174450A successfully refreshed from Google Patents.
US3174450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machines
Assignee: FIRM QUICK ELEKTROMOTORENWERK
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Filing: 1960-10-28
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Granted: 1965-03-23
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Becker Ernst
- 👤 Zavada Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:26
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN A DRIVE ARRANGEMENT FOR A SEWING MACHINE OR THE LIKE PROVIDED WITH A SHAFT AND INCLUDING PRINCIPAL DRIVE MEANS, AUXILIARY DRIVE MEANS, SELECTIVELY OPERABLE MEANS FOR SELECTIVELY AND OPERATIVELY CONNECTING SAID SHAFT WITH SAID PRINCIPAL DRIVE MEANS OR SAID AUXILIARY DRIVE MEANS, A CONTROL SYSTEM WHICH ENABLES STOPPAGE OF SAID MACHINE IN A PREDETERMINED ANGULAR POSITION OF SAID SHAFT, COMPRISING SYCHRONIZING MEANS, CONTACT MEANS OPERATIVE TO CLOSE UPON ACTUATION OF SAID SELECTIVELY OPERABLE MEANS ESTABLISHING AN OPERATIVE CONNECTION OF SAID SHAFT WITH SAID PRINCIPAL DRIVE MEANS AND OPERATIVE TO OPEN UPON DISENGAGEMENT OF SAID SHAFT FROM SAID PRINCIPAL DRIVE MEANS, MEANS FOR STARTING SAID AUXILIARY DRIVE MEANS UPON ESTABLISHING THE OPERATIVE CONNECTION BY SAID SELECTION OPERABLE MEANS OF SHAFT WITH SAID PRINCIPAL DRIVE MEANS INCLUDING CIRCUIT MEANS, CONTAINING SAID CONTACT MEANS, SAID SYNCHRONIZING MEANS BEING EFFECTIVELY CONNECTE IN PARALLEL WITH SAID CONTACT MEANS, SAID CONTACT MEANS, UPON CLOSURE THEREOF, ENERGIZING SAID CIRCUIT MEANS FOR STARTING UP SAID AUXILIARY DRIVE MEANS, AND DISABLING MEANS IN SAID CIRCUIT MEANS FOR EFFECTIVELY SWITCHING OFF SAID MACHINE IN DEPENDENCE ON THE ROTARY SPEED OF SAID SHAFT.
Claim 2
Dependent Claim
183 words
IN A DRIVE ARRANGEMENT FOR A SEWING MACHINE OR THE LIKE PROVIDED WITH A SHAFT AND INCLUDING PRINCIPAL DRIVE MEANS, AUXILIARY DRIVE MEANS, SELECTIVELY OPERABLE MEANS FOR SELECTIVELY AND OPERATIVELY CONNECTING SAID SHAFT WITH SAID PRINCIPAL DRIVE MEANS OR SAID AUXILIARY DRIVE MEANS, A CONTROL SYSTEM WHICH ENABLES STOPPAGE OF SAID MACHINE IN A PREDETERMINED ANGULAR POSITION OF SAID SHAFT, COMPRISING SYCHRONIZING MEANS, CONTACT MEANS OPERATIVE TO CLOSE UPON ACTUATION OF SAID SELECTIVELY OPERABLE MEANS ESTABLISHING AN OPERATIVE CONNECTION OF SAID SHAFT WITH SAID PRINCIPAL DRIVE MEANS AND OPERATIVE TO OPEN UPON DISENGAGEMENT OF SAID SHAFT FROM SAID PRINCIPAL DRIVE MEANS, MEANS FOR STARTING SAID AUXILIARY DRIVE MEANS UPON ESTABLISHING THE OPERATIVE CONNECTION BY SAID SELECTION OPERABLE MEANS OF SHAFT WITH SAID PRINCIPAL DRIVE MEANS INCLUDING CIRCUIT MEANS, CONTAINING SAID CONTACT MEANS, SAID SYNCHRONIZING MEANS BEING EFFECTIVELY CONNECTE IN PARALLEL WITH SAID CONTACT MEANS, SAID CONTACT MEANS, UPON CLOSURE THEREOF, ENERGIZING SAID CIRCUIT MEANS FOR STARTING UP SAID AUXILIARY DRIVE MEANS, AND DISABLING MEANS IN SAID CIRCUIT MEANS FOR EFFECTIVELY SWITCHING OFF SAID MACHINE IN DEPENDENCE ON THE ROTARY SPEED OF SAID SHAFT.
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |