Sewing machine

Sewing machine

  • CN 106,637,711 A
  • Filed: 03/21/2017
  • Published: 05/10/2017
  • Est. Priority Date: 03/21/2017
  • Status: Active Application
First Claim
Patent Images

1. sewing machine, including sewing machine, sewing machine includes presser feet part, servo-drive system, power supply, power switch, foot controller(17), pedal (16), foot controller (17) is connected with servo-drive system, and pedal (16) is connected with foot controller (17), and it is specialLevy and be, the sewing machine also include presser foot lifting device, presser foot lifting device include high-power electromagnet (8), connecting crank (7),Roller axle (10), high-power electromagnet (8) is transversely mounted on back shroud, motion bar (11) and the company of high-power electromagnet (8)The lower end for connecing crank (7) is adjacent, and connecting crank (7) length is more than 50 millimeters, the axle of connecting crank (7) upper end and roller axle (10)End is rigidly connected, and roller axle (10) includes axle body and roller (1), with connection sheet (18) connection between roller (1) and axle body one end,The distance at axle body center and roller (1) center is more than 8 millimeters, and axle body arranges snap ring (9), and snap ring (9) connects in fuselage (12)Contact pin (18) passes through back shroud (13), roller (1) and pressure near roller end higher than the roller end near axle body end, roller axle (10)The outside under surface of the lift lever (2) of foot part is tangent, presser foot lifting device and fuselage (12) detachable connection, high-power electricityMagnet (8) is connected with servo electric system.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×