JPS6097580U

JPS6097580U - Gap adjustment device between the needle and the tip of the hook in a sewing machine

Info

Publication number: JPS6097580U
Application number: JP19083583U
Authority: JP
Inventors: 仙田　豊; 雅美伊藤; 大西　広明
Original assignee: ブラザー工業株式会社
Priority date: 1983-12-09
Filing date: 1983-12-09
Publication date: 1985-07-03

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]

図中第１図は本考案を具体化した実施例を示す裏面図、
・第２図は第１図のＡ−Ａｉ断面図、第３図は第１図の
Ｂ−Ｂ線断面図、第４図は第１図のＣ−Ｃ線断面図であ
る。図中１はベッド、３は下軸、４（１釜土台、７は釜、７
１は釜軸、７２は外釜、７３は剣先、８は駆動スパイラ
ルギヤ、１０は針、１１は従動スパイラルギヤ、１５は
支持体（移動手段）、２４は固定片、２７は調節ねじで
ある。Figure 1 in the figure is a back view showing an embodiment embodying the present invention;
・FIG. 2 is a sectional view taken along line A-Ai in FIG. 1, FIG. 3 is a sectional view taken along line BB in FIG. 1, and FIG. 4 is a sectional view taken along line C-C in FIG. In the diagram, 1 is the bed, 3 is the lower shaft, 4 (1 pot base, 7 is the pot, 7
1 is a hook shaft, 72 is an outer hook, 73 is a tip, 8 is a driving spiral gear, 10 is a needle, 11 is a driven spiral gear, 15 is a support (moving means), 24 is a fixed piece, and 27 is an adjustment screw. .

Claims

[Claims for Utility Model Registration] 1. A bed 1 of a sewing machine, a lower shaft 3 rotatably supported around a horizontal axis relative to the bed 1, and an axis of the lower shaft 3 relative to the bed 1. a hook base 4 installed so as to be movable in the direction; a hook shaft 71 supported rotatably around a vertical axis with respect to the hook base 4; Tips 7 and 3 for catching needle thread loops that are not formed due to vertical movement
a hook 7 including an outer hook 72 having an outer hook 72, which can rotate together with the lower shaft 3, and
A driving spiral gear 8 installed to be movable in the axial direction; a driven spiral gear 11 fixed to the hook shaft 71 and meshing with the driving spiral gear 8; and the driven spiral gear 11 and the driving spiral gear 8. a moving means 15 for moving the driving spiral gear 8 as the pot base 4 moves while maintaining the meshing relationship between the bed 1 and the pot; A manual adjustment means is provided between the hook base 4 and the hook base 4 to move the hook base 4 relative to the bed 1 in order to adjust the gap between the tip 73 of the hook 7 and the needle 10. A device for adjusting the gap between the needle and the tip of the hook in a sewing machine. 2. The manual adjustment means includes a fixing piece 24 provided on the bed 1, and an adjustment screw 26 interposed between the fixing piece 24 and the pot base 4 for moving the pot base 4. A device for adjusting the gap between a needle and a tip of a hook in a sewing machine according to claim 1. 3 The fixing piece 24 is attached to the lower shaft 3 with respect to the bed 1.
A gap adjusting device between a needle and a tip of a hook in a sewing machine according to claim 2, wherein the device is installed to be movable in the axial direction of the sewing machine.