US3177835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pattern zigzag sewing machine
Assignee: Koyo Seiko Co Ltd
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Filing: 1962-09-05
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Granted: 1965-04-13
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Tanaka Minoru
- 👤 Nagaoka Tetsunosuke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:45
CPC Classifications
D; D05; D05B; D05B19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 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 MOVEMENTS TRANSVERSELY OF THE DIRECTION OF RECIPROCATION, AN ELONGATED CAM SHAFT SUPPORTED WITHIN SAID FRAME, FIRST AND SECOND GROUPS OF ROTARY PATTERN CAMS MOUNTED IN SIDE-BY-SIDE COAXIAL RELATION ON SAID CAM SHAFT, MEANS FOR DRIVING SAID CAM SHAFT TO ROTATE SAID CAMS SIMULTANEOUSLY ABOUT THE AXIS THEREOF, FIRST AND SECOND CAM FOLLOWERS PIVOTALLY SUPPORTED ALONGSIDE THE CAM SHAFT A FIXED STATIONS SPACED AXIALLY ALONG THE CAM SHAFT IN COACTIVE ASSOCIATION RESPECTIVELY WITH THE FIRST AND SECOND CAM GROUPS, MEANS FOR ADJUSTING SAID CAM GROUPS AXIALLY OF SAID CAM SHAFT RELATIVE TO EACH OTHER AND RELATIVE TO THEIR ASSOCIATED CAM FOLLOWERS TO LOCATE SELECTED PATTERN CAMS IN A POSITION TO BE ENGAGED AND TRACKED BY THE CAM FOLLOWERS ASSOCIATED WITH SAID
Claim 2
Dependent Claim
149 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 MOVEMENTS TRANSVERSELY OF THE DIRECTION OF RECIPROCATION, AN ELONGATED CAM SHAFT SUPPORTED WITHIN SAID FRAME, FIRST AND SECOND GROUPS OF ROTARY PATTERN CAMS MOUNTED IN SIDE-BY-SIDE COAXIAL RELATION ON SAID CAM SHAFT, MEANS FOR DRIVING SAID CAM SHAFT TO ROTATE SAID CAMS SIMULTANEOUSLY ABOUT THE AXIS THEREOF, FIRST AND SECOND CAM FOLLOWERS PIVOTALLY SUPPORTED ALONGSIDE THE CAM SHAFT A FIXED STATIONS SPACED AXIALLY ALONG THE CAM SHAFT IN COACTIVE ASSOCIATION RESPECTIVELY WITH THE FIRST AND SECOND CAM GROUPS, MEANS FOR ADJUSTING SAID CAM GROUPS AXIALLY OF SAID CAM SHAFT RELATIVE TO EACH OTHER AND RELATIVE TO THEIR ASSOCIATED CAM FOLLOWERS TO LOCATE SELECTED PATTERN CAMS IN A POSITION TO BE ENGAGED AND TRACKED BY THE CAM FOLLOWERS ASSOCIATED WITH SAID
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |