JPS58117274U

JPS58117274U - Automatic sewing machine presser device

Info

Publication number: JPS58117274U
Application number: JP1459882U
Authority: JP
Inventors: 山根　「巌」
Original assignee: 三菱電機株式会社
Priority date: 1982-02-04
Filing date: 1982-02-04
Publication date: 1983-08-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図及び第２図は本考案の一実施例を示す斜視図及び
分解斜視図、第３図はその動作の説明に供する模式的構
成図、第４図は動作タイミングを表わす図である。図中
、同一部材には同一符号を付し、１０は針棒、１６は押
え上げ、２０は軸、２４は押え上げ台、２８は案内部、
３０．３８はリンク、４０は軸、４６は布押え、５０は
押え上げカム、５４は保合部である。1 and 2 are a perspective view and an exploded perspective view showing an embodiment of the present invention, FIG. 3 is a schematic configuration diagram for explaining its operation, and FIG. 4 is a diagram showing the operation timing. In the figure, the same members are given the same reference numerals, 10 is the needle bar, 16 is the presser foot lifter, 20 is the shaft, 24 is the presser foot lifter, 28 is the guide section,
30 and 38 are links, 40 is a shaft, 46 is a presser foot, 50 is a presser foot lifting cam, and 54 is a retaining portion.

Claims

[Scope of utility model registration request]

(1) In an automatic sewing machine that moves the cloth held by a holder according to a trajectory preset in a storage device to form a stitch of a desired shape, the needle bar moves up and down in conjunction with the needle bar that moves up and down. a presser foot lifter, a presser foot lifter fixed to a fixed part, a link pivotally connected to the presser foot lifter table and rotating in accordance with the vertical movement of the presser foot lifter, one end of which is pivotally connected to a free end of the link. A link whose other end is slidably guided by a guide part formed on the fixed part, and a shaft fixed to the other end of the link are slidably engaged and extend in a direction intersecting the guide part. a presser foot lifting cam having a section, and a presser foot fixed to the presser foot lifting cam, converting the vertical movement of the presser foot lifter into a reciprocating movement along the guide section via the both links, The reciprocating motion is converted into a vertical movement of the presser foot lifting cam according to the intersecting angle between the guide portion and the engagement portion of the presser foot lifting cam, and the presser foot is moved vertically in synchronization with the vertical movement of the needle bar. A presser foot device for an automatic sewing machine, which is characterized by:

(2) Utility Model Registration Scope of Claims 1. A cloth presser device for an automatic sewing machine, which is capable of adjusting the displacement amount of the cloth presser to less than the needle bar displacement.

(3) Utility Model Registration Scope of Claim 1: A presser foot device for an automatic sewing machine, in which the pivot point of the rotating arm relative to the presser foot lifter is adjustable, and the amount of displacement of the presser foot can be adjusted.

(4) Utility Model Registration A cloth presser for an automatic sewing machine, in which the guide portion and the engaging portion are holes in the device according to claim 1.

(5) Utility Model Registration Scope of the Claims A cloth presser for an automatic sewing machine, in which the guide portion and the engaging portion are groove portions.