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Patent Searching and Data


Title:
FEEDING DEVICE OF SEWING MACHINE, AND SEWING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/134508
Kind Code:
A1
Abstract:
Disclosed are a feeding device of a sewing machine, and a sewing machine. The feeding device comprises: a rotatable main shaft (3); and a feeding eccentric assembly, comprising a tooth-lifting eccentric cam (12, 16) fixed to the main shaft, and a feeding eccentric cam (5, 17) rotatably mounted on the main shaft, wherein a relative angle between the feeding eccentric cam and the tooth-lifting eccentric cam can be adjusted so as to realize the adjustment of a feeding trajectory. A position angle between the tooth-lifting eccentric cam and the feeding eccentric cam of the feeding device can be adjusted, and different position angles therebetween correspond to feeding trajectories in different forms, and are adapted to cloth of different thicknesses.

Inventors:
ZHENG JI (CN)
ZHU SHUWEI (CN)
ZHAO QIUHONG (CN)
Application Number:
CN2019/113945
Publication Date:
July 02, 2020
Filing Date:
October 29, 2019
Export Citation:
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Assignee:
JACK SEWING MACHINE CO LTD (CN)
International Classes:
D05B27/00
Foreign References:
CN109371575A2019-02-22
CN107558014A2018-01-09
CN107558014A2018-01-09
CN202039191U2011-11-16
CN106637707A2017-05-10
JPH0424061A1992-01-28
JPS598995A1984-01-18
Attorney, Agent or Firm:
LANTIAN INTELLECTUAL PROPERTY AGENCY et al. (CN)
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