US3310015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine thread guiding means
Assignee: Fritz Gegauf AG
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Filing: 1964-01-31
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Granted: 1967-03-21
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Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Fritz Gegauf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:10
CPC Classifications
D; D05; D05B; D05B51/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
IN A SEWING MACHINE HAVING MEANS FOR ARTICULATING A NEEDLE CARRIED BY A NEEDLE BAR, THE IMPROVEMENT COMPRISING A TAKE-UP LEVER CONNECTED TO SAID MEANS FOR ARTICULATING THE NEEDLE AND HAVING AN ELONGATED SLOT DEFINED THEREIN; SAID SLOT HAVING A LOWERMOST PORTION FOR ACCOMMODATING THE THREAD DURING THE SEWING OPERATION, THE LOWERMOST PORTION BEING ADAPTED TO MOVE IN SUBSTANTIALLY A VERTICAL RECIPROCATING MOVEMENT, SAID TAKE-UP LEVER HAVING A FIRST PORTION WHICH EXTENDS OBLIQUELY UPWARDLY, SAID FIRST PORTION HAVING A HIGH ROUNDED SURFACE PORTION CONNECTED TO THE UPPER END OF SAID OBLIQUELY EXTENDING PORTION, SAID FIRST PORTION HAVING A DOWNWARDLY EXTENDING PORTION EXTENDING FROM THE HIGH ROUNDED SURFACE PORTION OF THE OBLIQUELY EXTENDING PORTION AND A SECOND PORTION SPACED FROM AND OVERLYING THE FIRST PORTION AND EXTENDING AROUND THE TOP OF THE HIGH ROUNDED SURFACE PORTION AND OBLIQUELY DOWNWARDLY FROM THE HIGH ROUNDED SURFACE PORTION TO SAID FIRST PORTION, AND SAID LOWERMOST PORTION OF THE SLOT BEING DEFINED AT THE JUNCTURE OF SAID FIRST AND SECOND PORTIONS, THE LENGTH OF THE SLOT AND THE HIGH ROUNDED SURFACE PORTION BEING SUCH THAT THE THREAD WILL NOT NORMALLY BE ABLE TO MOVE UPWARDLY OVER THE HIGH ROUNDED SURFACE PORTION DURING THE OPERATION OF SAID LEVER.
Claim 2
Dependent Claim
202 words
IN A SEWING MACHINE HAVING MEANS FOR ARTICULATING A NEEDLE CARRIED BY A NEEDLE BAR, THE IMPROVEMENT COMPRISING A TAKE-UP LEVER CONNECTED TO SAID MEANS FOR ARTICULATING THE NEEDLE AND HAVING AN ELONGATED SLOT DEFINED THEREIN; SAID SLOT HAVING A LOWERMOST PORTION FOR ACCOMMODATING THE THREAD DURING THE SEWING OPERATION, THE LOWERMOST PORTION BEING ADAPTED TO MOVE IN SUBSTANTIALLY A VERTICAL RECIPROCATING MOVEMENT, SAID TAKE-UP LEVER HAVING A FIRST PORTION WHICH EXTENDS OBLIQUELY UPWARDLY, SAID FIRST PORTION HAVING A HIGH ROUNDED SURFACE PORTION CONNECTED TO THE UPPER END OF SAID OBLIQUELY EXTENDING PORTION, SAID FIRST PORTION HAVING A DOWNWARDLY EXTENDING PORTION EXTENDING FROM THE HIGH ROUNDED SURFACE PORTION OF THE OBLIQUELY EXTENDING PORTION AND A SECOND PORTION SPACED FROM AND OVERLYING THE FIRST PORTION AND EXTENDING AROUND THE TOP OF THE HIGH ROUNDED SURFACE PORTION AND OBLIQUELY DOWNWARDLY FROM THE HIGH ROUNDED SURFACE PORTION TO SAID FIRST PORTION, AND SAID LOWERMOST PORTION OF THE SLOT BEING DEFINED AT THE JUNCTURE OF SAID FIRST AND SECOND PORTIONS, THE LENGTH OF THE SLOT AND THE HIGH ROUNDED SURFACE PORTION BEING SUCH THAT THE THREAD WILL NOT NORMALLY BE ABLE TO MOVE UPWARDLY OVER THE HIGH ROUNDED SURFACE PORTION DURING THE OPERATION OF SAID LEVER.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |