US3149594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for trimming stitches
Assignee: Individual
•
Filing: 1960-09-22
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Granted: 1964-09-22
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Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 Allan J Buckreus
- 👤 Anderson C Grasham
- 👤 George E Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:06
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; D05D2305/00; D05D2305/50; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6472
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
168 words
THE METHOD OF SEVERING AND REMOVING DISCRETE LENGTHS OF CHAINS OF STITCHES FROM THE OPPOSITE ENDS OF A SEAM FORMED IN A FABRIC ARTICLE BY A NEEDLE AND LOOPER MEANS OF A SEWING MACHINE OF A TYPE WHICH ADVANCES SAID SEAM IN A PREDETERMINED DIRECTION AWAY FROM THE NEEDLE AND LOOPER MEANS, COMPRISING THE STEPS OF PROVIDING A SUCTION CONDUIT AND A STITCH-SEVERING MEANS ADJACENT THE PATH OF THE SEAM, PRODUCING A SUCTION IN SAID CONDUIT EFFECTIVE ON A CHAIN OF STITCHES ADJACENT SAID STITCH-SEVERING MEANS TO ELONGATE SAID CHAIN ONLY IN SAID DIRECTION OF MOVEMENT OF THE SEAM AND TO DRAW SAID CHAIN OF STITCHES INTO POSITION WITH RESPECT TO THE STITCH-SEVERING MEANS, OPERATING SAID STITCH-SEVERING MEANS TO SEVER SUCCESSIVE CHAINS OF STITCHES TO FREE DISCRETE LENGTHS THEREOF, DRAWING SAID DISCRETE LENGTHS THROUGH SAID CONDUIT TO A POINT REMOTE FROM SAID STITCH-SEVERING MEANS, AND DEFLECTING SAID SEAM FROM SAID STITCH-SEVERING MEANS TO AVOID DAMAGING CONTACT BETWEEN SAID STITCH-SEVERING MEANS AND SAID SEAM AND THE FABRIC ADJACENT THERETO.
Claim 2
Independent Claim
168 words
THE METHOD OF SEVERING AND REMOVING DISCRETE LENGTHS OF CHAINS OF STITCHES FROM THE OPPOSITE ENDS OF A SEAM FORMED IN A FABRIC ARTICLE BY A NEEDLE AND LOOPER MEANS OF A SEWING MACHINE OF A TYPE WHICH ADVANCES SAID SEAM IN A PREDETERMINED DIRECTION AWAY FROM THE NEEDLE AND LOOPER MEANS, COMPRISING THE STEPS OF PROVIDING A SUCTION CONDUIT AND A STITCH-SEVERING MEANS ADJACENT THE PATH OF THE SEAM, PRODUCING A SUCTION IN SAID CONDUIT EFFECTIVE ON A CHAIN OF STITCHES ADJACENT SAID STITCH-SEVERING MEANS TO ELONGATE SAID CHAIN ONLY IN SAID DIRECTION OF MOVEMENT OF THE SEAM AND TO DRAW SAID CHAIN OF STITCHES INTO POSITION WITH RESPECT TO THE STITCH-SEVERING MEANS, OPERATING SAID STITCH-SEVERING MEANS TO SEVER SUCCESSIVE CHAINS OF STITCHES TO FREE DISCRETE LENGTHS THEREOF, DRAWING SAID DISCRETE LENGTHS THROUGH SAID CONDUIT TO A POINT REMOTE FROM SAID STITCH-SEVERING MEANS, AND DEFLECTING SAID SEAM FROM SAID STITCH-SEVERING MEANS TO AVOID DAMAGING CONTACT BETWEEN SAID STITCH-SEVERING MEANS AND SAID SEAM AND THE FABRIC ADJACENT THERETO.
Claim 3
Dependent Claim
188 words
APPARATUS FOR AUTOMATICALLY TRIMMING CHAINS OF STITCHES FROM THE OPPOSITE ENDS OF A SEAM FORMED IN A FABRIC ARTICLE BY AN ASSOCIATED SEWING MACHINE HAVING CHAIN FORMING MEANS FOR FORMING A CHAIN OF STITCHES TO SEW THE SEAM IN THE ARTICLE WITH A LEADING LENGTH OF THE CHAIN ON ONE END OF THE SEAM AND A TRAILING LENGTH OF THE CHAIN ON THE OTHER END OF THE SEAM, AND FEED MEANS FOR MOVING THE FABRIC ARTICLE PAST THE CHAIN FORMING MEANS FOR THE SEWING OF THE SEAM WITH SAID LEADING AND TRAILING CHAIN LENGTHS THEREON NORMALLY MOVING IN A PREDETERMINED DIRECTION AWAY FROM SAID CHAIN FORMING MEANS; COMPRISING A SUCTION CONDUIT HAVING AN OPENING DISPOSED ADJACENT AND IN SUBSTANTIAL ALIGNMENT WITH A PORTION OF SAID CHAIN FORMING MEANS FROM WHICH THE STITCHES OF THE CHAIN LEAVE THE SAME, MEANS FOR PRODUCING A SUCTION IN SAID SUCTION CONDUIT TO DRAW SAID CHAIN LENGTHS DIRECTLY INTO SAID OPENING AS SAID CHAIN LENGTHS LEAVE SAID CHAIN FORMING MEANS AND SEVERING MEANS ADJACENT SAID OPENING FOR SEVERING SAID CHAIN LENGTHS WHILE SAID CHAIN LENGTHS ARE SUBJECTED TO THE SUCTION OF SAID CONDUIT.
Claim 4
Dependent Claim
188 words
APPARATUS FOR AUTOMATICALLY TRIMMING CHAINS OF STITCHES FROM THE OPPOSITE ENDS OF A SEAM FORMED IN A FABRIC ARTICLE BY AN ASSOCIATED SEWING MACHINE HAVING CHAIN FORMING MEANS FOR FORMING A CHAIN OF STITCHES TO SEW THE SEAM IN THE ARTICLE WITH A LEADING LENGTH OF THE CHAIN ON ONE END OF THE SEAM AND A TRAILING LENGTH OF THE CHAIN ON THE OTHER END OF THE SEAM, AND FEED MEANS FOR MOVING THE FABRIC ARTICLE PAST THE CHAIN FORMING MEANS FOR THE SEWING OF THE SEAM WITH SAID LEADING AND TRAILING CHAIN LENGTHS THEREON NORMALLY MOVING IN A PREDETERMINED DIRECTION AWAY FROM SAID CHAIN FORMING MEANS; COMPRISING A SUCTION CONDUIT HAVING AN OPENING DISPOSED ADJACENT AND IN SUBSTANTIAL ALIGNMENT WITH A PORTION OF SAID CHAIN FORMING MEANS FROM WHICH THE STITCHES OF THE CHAIN LEAVE THE SAME, MEANS FOR PRODUCING A SUCTION IN SAID SUCTION CONDUIT TO DRAW SAID CHAIN LENGTHS DIRECTLY INTO SAID OPENING AS SAID CHAIN LENGTHS LEAVE SAID CHAIN FORMING MEANS AND SEVERING MEANS ADJACENT SAID OPENING FOR SEVERING SAID CHAIN LENGTHS WHILE SAID CHAIN LENGTHS ARE SUBJECTED TO THE SUCTION OF SAID CONDUIT.
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |