Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
AUTOMATIC PRESSER FOOT PRESSURE-ADJUSTING DEVICE AND SEWING MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/203593
Kind Code:
A1
Abstract:
Disclosed is an automatic presser foot pressure-adjusting device, comprising a pressing rod (1), a presser foot (2) installed at the lower end of the pressing rod, a pressure-adjusting driving source (3), and a pressure-adjusting driving rod (4) installed in a sewing machine housing in a vertically moving manner. The pressure-adjusting driving source is connected to the pressure-adjusting driving rod and drives the pressure-adjusting driving rod to move vertically, and the lower end of the pressure-adjusting driving rod is connected to the upper end of the pressing rod. The pressure-adjusting driving source can drive the pressure-adjusting driving rod to move vertically, different outputs of the pressure-adjusting driving source correspond to different moving strokes of the pressure-adjusting driving rod, and the pressure-adjusting driving rod acts on the presser foot by means of the pressing rod, such that the pressure of the presser foot is adjusted, the presser foot is automatically lifted, and the lifting height of the presser foot is adjustable. The adjusting device is automatically operated, has the advantages of being quick in response, accurate in response and capable of reducing the labor intensity of workers, can improve the usage experience and performance of sewing, and improves the quality and the sewing efficiency of sewn products.

Inventors:
LIN HAI (CN)
LIN XIAOXIAO (CN)
CUI LINTAO (CN)
Application Number:
PCT/CN2020/107001
Publication Date:
October 14, 2021
Filing Date:
August 05, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JACK SEWING MACHINE CO LTD (CN)
International Classes:
D05B29/02
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
Download PDF: