Patent US3109399A successfully refreshed from Google Patents.
US3109399A
Expired / Lapsed
US
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Sewing machine thread cutting mechanism
Assignee: Merrow Machine Co
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Filing: 1961-08-22
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Granted: 1963-11-05
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Harry M Hornberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:48
CPC Classifications
D; D05; D05B; D05B65/00; D05B23/00; D05B23/007; D05B23/009; D05B73/00; D05B73/04; D05B73/12; D05D; D05D2207/00; D05D2207/02; D05D2207/04; Y; Y10; Y10S; Y10S112/00; Y10S112/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A SEWING MACHINE COMPRISING: A SEWING NEEDLE; A MECHANISM FOR OPERATING SAID NEEDLE; MEANS FOR FEEDING A WORK PIECE TO THE NEEDLE SO AS TO EFFECT A STITCHING OPERATION; A SURPLUS THREAD REMOVING CUTTER UNIT ARRANGED TRANSVERSELY OF THE PATH OF TRAVEL OF THE WORK PIECE BEYOND THE LOCATION WHERE THE STITCHING OPERATION IS PERFORMED, WHICH UNIT INCLUDES A FIXEDLY MOUNTED TOOTHED BLADE AND A COOPERATING RECIPROCABLY MOVABLE TOOTHED BLADE PROVIDED WITH A RECESS; A MOTION TRANSMITTING LEVER PIVOTALLY MOUNTED ADJACENT TO SAID MOVABLE BLADE WHICH LEVER HAS A FINGER-LIKE MEMBER ARRANGED TO EXTEND INTO SAID RECESS AND A PORTION PROVIDED WITH A SLOT; AND A CUTTER UNIT ACTUATING ELEMENT FIXEDLY MOUNTED ON SAID WORK PIECE FEEDING MEANS SO AS TO EXTEND IN SUBSTANTIALLY RIGHT-ANGULAR RELATION WITH SAID MOTION TRANSMITTING LEVER, WHICH ELEMENT HAS A PROJECTION ARRANGED TO EXTEND INTO THE SLOT OF SAID MOTION TRANSMITTING LEVER.
Claim 2
Dependent Claim
147 words
A SEWING MACHINE COMPRISING: A SEWING NEEDLE; A MECHANISM FOR OPERATING SAID NEEDLE; MEANS FOR FEEDING A WORK PIECE TO THE NEEDLE SO AS TO EFFECT A STITCHING OPERATION; A SURPLUS THREAD REMOVING CUTTER UNIT ARRANGED TRANSVERSELY OF THE PATH OF TRAVEL OF THE WORK PIECE BEYOND THE LOCATION WHERE THE STITCHING OPERATION IS PERFORMED, WHICH UNIT INCLUDES A FIXEDLY MOUNTED TOOTHED BLADE AND A COOPERATING RECIPROCABLY MOVABLE TOOTHED BLADE PROVIDED WITH A RECESS; A MOTION TRANSMITTING LEVER PIVOTALLY MOUNTED ADJACENT TO SAID MOVABLE BLADE WHICH LEVER HAS A FINGER-LIKE MEMBER ARRANGED TO EXTEND INTO SAID RECESS AND A PORTION PROVIDED WITH A SLOT; AND A CUTTER UNIT ACTUATING ELEMENT FIXEDLY MOUNTED ON SAID WORK PIECE FEEDING MEANS SO AS TO EXTEND IN SUBSTANTIALLY RIGHT-ANGULAR RELATION WITH SAID MOTION TRANSMITTING LEVER, WHICH ELEMENT HAS A PROJECTION ARRANGED TO EXTEND INTO THE SLOT OF SAID MOTION TRANSMITTING LEVER.
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |