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US 2005/0087111 A1Published application
Sewing machine
OwnerTseng Changinventor
Life of this patent
Estimating the term…
Abstract
A sewing machine includes a main frame provided with a drive shaft, and a cutting mechanism mounted on the main frame and driven by the drive shaft. The cutting mechanism includes a driving device, a first retaining device, and a second retaining device. Thus, the cutting mechanism is operated rigidly and stably, thereby facilitating the user operating the sewing machine.
Claims20
A sewing machine, comprising:
- a main frame provided with a drive shaft;
- and
- a cutting mechanism mounted on the main frame and including:
- a driving device including an actuating member driven by the drive shaft of the main frame;
- a first retaining device including a support bracket secured on and spaced from the actuating member, a support rod driven by the actuating member of the driving device and having a first end extended through the actuating member and the support bracket;
- and
- a second retaining device including a lower cutter located opposite to the upper cutter of the first retaining device.
4 more elements
A sewing machine, comprising:
- a main frame provided with a drive shaft;
- and
- a cutting mechanism mounted on the main frame and including:
- a driving device driven by the drive shaft of the main frame;
- a first retaining device including an upper cutter driven by the driving device;
- and
- a second retaining device including a support shaft having a first end extended through a wall of the main frame, a fixing seat having a mediate portion secured on a second end of the support shaft and a lower end mounted on a pivot shaft of the main frame, and a lower cutter secured on an upper end of the fixing seat and located opposite to the upper cutter of the first retaining device.
4 more elements
A sewing machine, comprising:
- a main frame provided with a drive shaft;
- and
- a cutting mechanism mounted on the main frame and including:
- a driving device driven by the drive shaft of the main frame and including a drive member having an upper end mounted on the drive shaft of the main frame, a first power transmission member having a first section pivotally mounted on a lower end of the drive member and a mediate section pivotally mounted on a pivot axle of the main frame, a link having a first end pivotally mounted on a second section of the first power transmission member, a second power transmission member having a first section pivotally mounted on a second end of the link and a mediate section pivotally mounted on a pivot shaft of the main frame, and an actuating member having a lower end pivotally mounted on a second section of the second power transmission member;
- a first retaining device including an upper cutter driven by the actuating member of the driving device;
- and
- a second retaining device including a lower cutter located opposite to the upper cutter of the first retaining device.
4 more elements
Dependencies are inferred from the claim text.