JPH03128073U

JPH03128073U -

Info

Publication number: JPH03128073U
Application number: JP3456690U
Authority: JP
Priority date: 1990-03-31
Filing date: 1990-03-31
Publication date: 1991-12-24

Description

[Brief explanation of drawings]

第１図はこの考案の位置実施例を示す一部縦断
側面図、第２図は第１図に示した偏心ピンと調整
ピンとの位置関係を示す説明平面図、第３図は同
実施例における調整時の状態を示す要部側面図、
第４図は従来行われているミシン釜の取付位置の
調整作業方法を示す斜視図である。図において、５……ミシン下軸、７……ミシン
釜、７ｃ……係合溝、８……ねじ（固定部材）、
１０……調整ピン（調整体）、１３……係合ピン
（係合体）。 Fig. 1 is a partially longitudinal side view showing a positional example of this invention, Fig. 2 is an explanatory plan view showing the positional relationship between the eccentric pin and adjustment pin shown in Fig. 1, and Fig. 3 is an adjustment in the same embodiment. A side view of the main parts showing the state at the time,
FIG. 4 is a perspective view showing a conventional method of adjusting the mounting position of a sewing machine hook. In the figure, 5... Sewing machine lower shaft, 7... Sewing machine hook, 7c... Engagement groove, 8... Screw (fixing member),
10...Adjustment pin (adjustment body), 13...Engagement pin (engagement body).

Claims

[Scope of utility model registration request]

The lower shaft of the sewing machine rotates in conjunction with the main shaft of the sewing machine,
a sewing machine hook that is fitted onto the lower shaft of the sewing machine so as to be able to move and rotate in the axial direction;
A fixing member for fixing the sewing machine hook to the lower shaft of the sewing machine, an annular engagement groove formed on the outer peripheral surface of the sewing machine hook so as to be located in a plane orthogonal to the lower shaft of the sewing machine, and a frame of the sewing machine An adjusting body is rotatably held with an axis perpendicular to the lower shaft as the central axis of rotation, and can move forward and backward along the central axis of rotation; 1. An attachment position adjusting device for a sewing machine hook, comprising: an engaging body protruding from a biased position and capable of being fitted into the engaging groove by advancing the adjusting body in the direction of the lower shaft.