JPS6434393A - Buttonhole sewing device of sewing machine - Google Patents

Buttonhole sewing device of sewing machine

Info

Publication number
JPS6434393A
JPS6434393A JP19222287A JP19222287A JPS6434393A JP S6434393 A JPS6434393 A JP S6434393A JP 19222287 A JP19222287 A JP 19222287A JP 19222287 A JP19222287 A JP 19222287A JP S6434393 A JPS6434393 A JP S6434393A
Authority
JP
Japan
Prior art keywords
cam
sewing
zigzag sewing
stage part
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19222287A
Other languages
Japanese (ja)
Inventor
Naoichi Nishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nishi Seisakusho Co Ltd
Original Assignee
Nishi Seisakusho Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nishi Seisakusho Co Ltd filed Critical Nishi Seisakusho Co Ltd
Priority to JP19222287A priority Critical patent/JPS6434393A/en
Publication of JPS6434393A publication Critical patent/JPS6434393A/en
Pending legal-status Critical Current

Links

Landscapes

  • Sewing Machines And Sewing (AREA)

Abstract

PURPOSE: To quickly set a sewing start position by providing a notched stage part on the almost center position of respective cam shafts inserted and fixed to a zigzag sewing first cam and a zigzag sewing second cam and fixing the cam and the cam shaft at the stage part by a fixing screw. CONSTITUTION: The end of the cam shaft 8 of the zigzag sewing first cam 4 engaged with a ratchet 22 driven by a ratchet pawl 28 connected to a needle bar and the end of the cam shaft 8 of the zigzag sewing second cam 6 engaged with a freely turnable linking piece 18 by a linking arm 15 connected to a member 16 for buttonhole interval adjustment are formed into a semicircular projection part 11. Then, the notched stage part is provided on the almost center position of the respective cam shafts 8 inserted and fixed to the cam 4 and the cam 6, and the zigzag sewing cam and the cam shaft are fixed at the stage part by a zigzag sewing cam fixing screw 13. As a result, the sewing start position setting of this buttonholding device is quickly and accurately executed.
JP19222287A 1987-07-31 1987-07-31 Buttonhole sewing device of sewing machine Pending JPS6434393A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19222287A JPS6434393A (en) 1987-07-31 1987-07-31 Buttonhole sewing device of sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19222287A JPS6434393A (en) 1987-07-31 1987-07-31 Buttonhole sewing device of sewing machine

Publications (1)

Publication Number Publication Date
JPS6434393A true JPS6434393A (en) 1989-02-03

Family

ID=16287692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19222287A Pending JPS6434393A (en) 1987-07-31 1987-07-31 Buttonhole sewing device of sewing machine

Country Status (1)

Country Link
JP (1) JPS6434393A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5899986A (en) * 1981-12-08 1983-06-14 ジャガー株式会社 Apparatus for stitching button hole
JPS60119983A (en) * 1983-12-02 1985-06-27 ザ　シンガー　カンパニー　エヌ．ブイ． Timing apparatus of sewing machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5899986A (en) * 1981-12-08 1983-06-14 ジャガー株式会社 Apparatus for stitching button hole
JPS60119983A (en) * 1983-12-02 1985-06-27 ザ　シンガー　カンパニー　エヌ．ブイ． Timing apparatus of sewing machine

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