US4582006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic sewing machine
Assignee: Mitsubishi Electric Corp
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Filing: 1984-04-26
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Granted: 1986-04-15
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Expires: 2004-04-26
Abstract
Abstract An automatic sewing machine including a sewing machine mechanism head for foaming a seam (switch pattern) on a web, a web presser for pressing the web, a driving mechanism for moving the web presser along X and Y axes in accordance with a predetermined pattern, and a control device for controlling each of the above, wherein the control device determines the start position of sewing at a fixed initial position or another designated position within a sewing area in accordance with the setting of a switch. The start position of the seam pattern may be selected in accordance with the formation of the seam pattern and properties of the web to achieve a highly efficient sewing operation.
Inventors
- 👤 Iwao Yamane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:55
CPC Classifications
D; D05; D05B; D05B21/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
109 words
In an automatic sewing machine of a type comprising a sewing machine head for forming a seam pattern on a web, a web presser for pressing said web, a driving mechanism for moving said web presser along X and Y axes in accordance with a predetermined pattern, and control means for controlling said head, web presser and driving mechanism, the improvement wherein said control means comprises switching means and means for establishing a start position of sewing said predetermined pattern at one of a fixed initial position and an arbitrary designated position within a sewing area on said web in accordance with a switching state of said switching means.
Claim 2
Dependent Claim
109 words
In an automatic sewing machine of a type comprising a sewing machine head for forming a seam pattern on a web, a web presser for pressing said web, a driving mechanism for moving said web presser along X and Y axes in accordance with a predetermined pattern, and control means for controlling said head, web presser and driving mechanism, the improvement wherein said control means comprises switching means and means for establishing a start position of sewing said predetermined pattern at one of a fixed initial position and an arbitrary designated position within a sewing area on said web in accordance with a switching state of said switching means.
Claim 3
Dependent Claim
61 words
The automatic sewing machine according to claim 1, wherein said switching means comprises a switch for switching the start position of said sewing, and operation processing means for establishing said start position at a chosen one of said fixed initial position and said designated position in accordance with an output signal of said switch and in accordance with a stored program.
Claim 4
Dependent Claim
62 words
The automatic sewing machine according to claim 1, wherein said control means comprises a pulse generating circuit for generating a web feed signal, and wherein said driving mechanism comprises a first pulse motor for driving said web presser in the direction of said X axis and a second pulse motor for driving said web presser in the direction of said Y axis.
Claim 5
Dependent Claim
28 words
The automatic sewing machine according to claim 1, wherein said driving mechanism comprises two switches for detecting the presence of said web presser at said fixed initial position.
References Cited (Backward Citations)
US4135459A
Cited
US4221176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-14 | 1989-10-14 | 1990-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-14 | 1993-10-14 | 1994-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-14 | 1997-10-14 | 1998-04-15 | $7700.00 | Window Closed / Lapsed |