JPS6033980U

JPS6033980U - Sewing machine buttonhole sewing device

Info

Publication number: JPS6033980U
Application number: JP12555083U
Authority: JP
Inventors: 飯生　高久; 善夫水野
Original assignee: リッカ−株式会社
Priority date: 1983-08-15
Filing date: 1983-08-15
Publication date: 1985-03-08

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例のボタンホール縫い装置を有
するミシンの外観斜視図。第２図は本考案の一実施例の
ボタンホール縫い装置を使用状態にセットしｉこところ
を示す斜視図。第３図は第２図の装置を不使用状態に保
持したところを示す斜視図。第４図は本考案の一実施例
の制御ブロック回路図。第５図は従来例のボタンホール
縫いを示す説明図であり、Ａはボタンホール縫いの縫い
過ぎ、Ｂは同じく縫い不足を示す。１・・・ミシン機枠、２・・・押え棒、３・・・ボタン
ホール押え、３ｂ・・・固定片、５・・・縫い模様表示
部、５ａ・・・ボタンホール表示部、７・・・押え片、
８・・・ボタン保持部、８ａ・・・可動片、１０・・・
作動レバー、１１・・・パドル、１２・・・軸ピン、１
３・・・作動レバー支え板、１３ａ・・・作動レバー支
持部、１３ｂ・・・作動レバー支え板１３の係合部、１
４・・・回動板、１４ａ・・・二又部、１４ｂ・・・突
片部、１５・・・回動板保持ばね、１６・・・作動レバ
ー支持ばね、１８・・・作動レバー付勢板ばね、１８ａ
・・・付勢部、１９・・・ボタン、２０・・・押え上げ
レバー、Ｂ・・・始動スイッチ、Ｃ・・・フットコント
ローラー、Ｄ・・・模様選択スイッチ、Ｄｌ・・・ボタ
ンホール縫いスイッチ、Ｅ・・・押え上げレバースイッ
チ、Ｆ・・・ボタンホール切り換えスイッチ、Ｇ・・・
振りアクチュエーター、Ｈ・・・送りアクチュエーター
、■・・・模様選択表示レッド、Ｉ亡・ボタンホール選
択表示レッド、Ｊ・・・駆動モーター、Ｋ・・・中央処
理装置、Ｌ・・・ブザー。ハ１　　　　第２図Ｉ　　ｔ（ｔ＝″” ″ル１１第４図円１（１「−ｍ＝し一一一コ第５図FIG. 1 is an external perspective view of a sewing machine having a buttonhole sewing device according to an embodiment of the present invention. FIG. 2 is a perspective view showing the buttonhole sewing device according to an embodiment of the present invention when it is set in a state of use. FIG. 3 is a perspective view of the device of FIG. 2 when it is not in use; FIG. 4 is a control block circuit diagram of an embodiment of the present invention. FIG. 5 is an explanatory diagram showing conventional buttonhole sewing, in which A indicates overstitching of the buttonhole and B indicates understitching. DESCRIPTION OF SYMBOLS 1... Sewing machine frame, 2... Presser bar, 3... Buttonhole presser foot, 3b... Fixing piece, 5... Sewing pattern display section, 5a... Buttonhole display section, 7.・・Presser piece,
8... Button holding part, 8a... Movable piece, 10...
Operating lever, 11...paddle, 12...shaft pin, 1
3... Actuation lever support plate, 13a... Actuation lever support part, 13b... Engagement part of actuation lever support plate 13, 1
4...Rotating plate, 14a...Forked part, 14b...Protruding piece part, 15... Rotating plate holding spring, 16... Operating lever support spring, 18... With operating lever Front leaf spring, 18a
...Biasing unit, 19...Button, 20...Presser foot lifter lever, B...Start switch, C...Foot controller, D...Pattern selection switch, Dl...Buttonhole sewing Switch, E...presser foot lever switch, F...buttonhole changeover switch, G...
Swing actuator, H...Feed actuator, ■...Pattern selection display red, I/buttonhole selection display red, J...Drive motor, K...Central processing unit, L...Buzzer. C1 Figure 2 I t(t='''' 11 Figure 4 Circle 1 (1 ``-m=shi111 Figure 5

Claims

[Scope of utility model registration request]

A buttonhole presser foot 3 having a button holding portion 8 for determining the length of the buttonhole and movable in the cloth feeding direction is attached to the lower end of the presser bar 2, and operates in conjunction with the buttonhole presser foot 3. In a buttonhole sewing device for a sewing machine in which an operating lever 10 is attached to a sewing machine frame 1 and buttonhole sewing is performed by operating the operating lever, an operating lever support portion 13a supports the operating lever 10 so as to be slidable in the vertical direction. and an engaging portion 13b extending upward from the operating lever support portion 13a, the operating lever support plate 13 is rotatably attached to the sewing machine frame 1c, and one end is connected to the engaging portion of the operating lever support plate 13. Attach the other end to 13b and attach it to the sewing machine frame 1f.
an actuating lever support spring 16 fixed to and biasing the engaging portion 13b of the actuating lever support plate 13 to the left and right;
An operating lever biasing plate spring 18 having a biasing portion 18a for holding and fixed to the sewing machine frame 1c, a forked portion 14a1 that engages with the engaging portion 13b of the operating lever support plate 13, and a sewing machine frame 1e. A rotary plate 14 having engaging stopper portions 14c and 14d and a projecting piece portion 14b;
A rotating plate holding spring 15 whose other end is fixed to the sewing machine frame 1e and stretched, a buttonhole changeover switch F which is switched by the protruding piece 14b of the rotational plate 14, and the buttonhole changeover switch F. A buttonhole sewing device comprising: a central processing unit that stores a buttonhole sewing process in relation to a signal of the buttonhole sewing device;