US3221687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic ornamental stitch sewing machine
Assignee: Koyo Seiko Co Ltd
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Filing: 1963-10-21
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Granted: 1965-12-07
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Hayashi Tetsuzo
- 👤 Tanaka Minoru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:17
CPC Classifications
D; D05; D05B; D05B19/00; D05B19/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN AN ORNAMENTAL STITCH SEWING MACHINE FOR SELECTIVELY PRODUCING A PLURALITY OF STITCH PATTERNS, A HOLLOW FRAME, A NEEDLE MOUNTED ON SAID FRAME FOR ENDWISE RECIPROCATION AND FOR LATERAL SWINGING MOVEMENTS TRANSVERSELY OF THE DIRECTION OF RECIPROCATION, A CAM SHAFT SUPPORTED WITHIN SAID FRAME, A STACK OF ROTARY STITCHING MEANS MOUNTED IN SIDE-BY-SIDE COAXIAL RELATION ON SAID CAM SHAFT INCLUDING GROUPS OF PLURAL CAMS EACH FOR PRODUCING TRANSVERSE OSCILLATION OF THE NEEDLE AND REGULATING AMPLITUDE OF NEEDLE OSCILLATIONS, MEANS FOR DRIVING SAID CAM SHAFT TO ROTATE SAID CAMS SIMULTANEOUSLY ABOUT THE AXIS THEREOF, A PLURALITY OF CAM FOLLOWERS CORRESPONDING IN NUMBER FO SAID CAMS, PIVOT MEANS DEFINING PIVOT AXES FOR SAID CAM FOLLOWERS, MEANS MOUNTING SAID CAM FOLLOWERS INDIVIDUALLY ON SAID PIVOT MEANS FOR INDEPENDENT MOVEMENT OF EACH CAM FOLLOWER ABOUT PIVOT AXES IN PARALLEL PLANES PERPENDICULAR TO THE AXIS OF SAID CAM SHAFT ALONGSIDE AND CAMS IN RADIAL ALIGNMENT WITH THEIR RESPECTIVE CAMS WITHOUT EFFECTING MOVEMENT OF ANY OF THE OTHER OF SAID CAM FOLLOWERS, SAID CAM FOLLOWERS EACH HAVING AN ENGAGEMENT PORTION FOR ENGAGING AND FOLLOWING THE PERIPHERY
Claim 2
Dependent Claim
180 words
IN AN ORNAMENTAL STITCH SEWING MACHINE FOR SELECTIVELY PRODUCING A PLURALITY OF STITCH PATTERNS, A HOLLOW FRAME, A NEEDLE MOUNTED ON SAID FRAME FOR ENDWISE RECIPROCATION AND FOR LATERAL SWINGING MOVEMENTS TRANSVERSELY OF THE DIRECTION OF RECIPROCATION, A CAM SHAFT SUPPORTED WITHIN SAID FRAME, A STACK OF ROTARY STITCHING MEANS MOUNTED IN SIDE-BY-SIDE COAXIAL RELATION ON SAID CAM SHAFT INCLUDING GROUPS OF PLURAL CAMS EACH FOR PRODUCING TRANSVERSE OSCILLATION OF THE NEEDLE AND REGULATING AMPLITUDE OF NEEDLE OSCILLATIONS, MEANS FOR DRIVING SAID CAM SHAFT TO ROTATE SAID CAMS SIMULTANEOUSLY ABOUT THE AXIS THEREOF, A PLURALITY OF CAM FOLLOWERS CORRESPONDING IN NUMBER FO SAID CAMS, PIVOT MEANS DEFINING PIVOT AXES FOR SAID CAM FOLLOWERS, MEANS MOUNTING SAID CAM FOLLOWERS INDIVIDUALLY ON SAID PIVOT MEANS FOR INDEPENDENT MOVEMENT OF EACH CAM FOLLOWER ABOUT PIVOT AXES IN PARALLEL PLANES PERPENDICULAR TO THE AXIS OF SAID CAM SHAFT ALONGSIDE AND CAMS IN RADIAL ALIGNMENT WITH THEIR RESPECTIVE CAMS WITHOUT EFFECTING MOVEMENT OF ANY OF THE OTHER OF SAID CAM FOLLOWERS, SAID CAM FOLLOWERS EACH HAVING AN ENGAGEMENT PORTION FOR ENGAGING AND FOLLOWING THE PERIPHERY
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |