US3094086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for zig-zag sewing machines
Assignee: Gritzner Kayser AG
•
Filing: 1961-01-04
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Granted: 1963-06-18
•
Expires: 1981-01-04
Abstract
No abstract record available.
Inventors
- 👤 Meier Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:37
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/02; D05B19/00; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A ZIG-ZAG SEWING MACHINE INCLUDING A NEEDLE BAR CARRYING A NEEDLE AND MOUNTED BOTH FOR RECIPROCATION AND OSCILATION TRANSVERSEY TO THE FEED DIRECTION, AND DRIVE MEANS OPERABLY CONNECTED TO SAID BAR, TO RECIPROCATE SAID NEEDLE; CONTROL MECHANISM FOR SELECTIVELY PRODUCING STRAIGHT STITCHES AND ZIG-ZAG STITCHES OF GRADUALLY VARIABLE AMPLITUDE COMPRISING A THREE-DIMENSIONAL CONTROL MEMBER WITH MEANS TO ROTATE THE SAME BY SAID DRIVE MEANS, SAID MEMBER BEING COMPOSED OF A CIRCULAR CYLINDRICAL PORTION CONCENTRIC WITH ITS AXIS OF ROTATION AND AN ECCENTRIC CONICAL PORTION ADJOINING SAID CYLINDRICAL PORTION, SAID ECCENTRIC PORTION INCLUDING THREE ANGULAR PARTIAL SURFACES BEING INCLINED TOWARDS SAID AXIS AND MERGING INTO EACH OTHER, ONE OF SAID SURFACES HAVING A CIRCULAR ARC-SHAPED CROSS-SECTION CONCENTRIC TO SAID AXIS AND THE SURFACES ADJOINING SAID FIRST SURFACE HAVING ECCENTRIC CROSS-SECTIONS SYMMETRICAL TO THE CENTER LINE OF SAID ARC-SHAPED CROSSSECTION, A SPRING-URGED FOLLOWER LINK DISPOSED TRANSVERSELY
Claim 2
Dependent Claim
145 words
IN A ZIG-ZAG SEWING MACHINE INCLUDING A NEEDLE BAR CARRYING A NEEDLE AND MOUNTED BOTH FOR RECIPROCATION AND OSCILATION TRANSVERSEY TO THE FEED DIRECTION, AND DRIVE MEANS OPERABLY CONNECTED TO SAID BAR, TO RECIPROCATE SAID NEEDLE; CONTROL MECHANISM FOR SELECTIVELY PRODUCING STRAIGHT STITCHES AND ZIG-ZAG STITCHES OF GRADUALLY VARIABLE AMPLITUDE COMPRISING A THREE-DIMENSIONAL CONTROL MEMBER WITH MEANS TO ROTATE THE SAME BY SAID DRIVE MEANS, SAID MEMBER BEING COMPOSED OF A CIRCULAR CYLINDRICAL PORTION CONCENTRIC WITH ITS AXIS OF ROTATION AND AN ECCENTRIC CONICAL PORTION ADJOINING SAID CYLINDRICAL PORTION, SAID ECCENTRIC PORTION INCLUDING THREE ANGULAR PARTIAL SURFACES BEING INCLINED TOWARDS SAID AXIS AND MERGING INTO EACH OTHER, ONE OF SAID SURFACES HAVING A CIRCULAR ARC-SHAPED CROSS-SECTION CONCENTRIC TO SAID AXIS AND THE SURFACES ADJOINING SAID FIRST SURFACE HAVING ECCENTRIC CROSS-SECTIONS SYMMETRICAL TO THE CENTER LINE OF SAID ARC-SHAPED CROSSSECTION, A SPRING-URGED FOLLOWER LINK DISPOSED TRANSVERSELY
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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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |