JPH0449302U

JPH0449302U -

Info

Publication number: JPH0449302U
Application number: JP8982490U
Authority: JP
Priority date: 1990-08-27
Filing date: 1990-08-27
Publication date: 1992-04-27

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例による磁気ヘツド
を配置した回転シリンダー装置を示す断面図、第
２図は磁気ヘツドを配置しない回転シリンダー装
置を示する断面図、第３図はこの考案の一実施例
における主要部斜視図、第４図はこの考案の他の
実施例における主要部斜視図、第５図は磁気ヘツ
ドが配置された従来の回転シリンダー装置の断面
図、第６図は磁気ヘツドが配置されていない従来
の回転シリンダー装置の断面図、第７図は従来例
におけるロータリートランスの概略寸法を示す図
、第８図は従来例におけるスリーブの加工を説明
するための図である。図において、１は固定シリンダー、２は主軸、
３はスリーブ、４は回転シリンダー、５は回転部
、８ａは回転側ロータリートランス、８ｂは固定
側ロータリートランス、８ｃは係合部、１２は弾
性部材である。なお、各図中の同一符号は同一ま
たは相当部分を示す。 FIG. 1 is a cross-sectional view showing a rotary cylinder device equipped with a magnetic head according to an embodiment of the invention, FIG. 2 is a cross-sectional view showing a rotary cylinder device without a magnetic head, and FIG. 3 is an embodiment of the invention. FIG. 4 is a perspective view of the main parts in another embodiment of this invention, FIG. 5 is a sectional view of a conventional rotary cylinder device in which a magnetic head is arranged, and FIG. 6 is a view of the magnetic head. FIG. 7 is a diagram showing the approximate dimensions of a rotary transformer in the conventional example, and FIG. 8 is a diagram for explaining the machining of the sleeve in the conventional example. In the figure, 1 is a fixed cylinder, 2 is a main shaft,
3 is a sleeve, 4 is a rotating cylinder, 5 is a rotating part, 8a is a rotating side rotary transformer, 8b is a stationary side rotary transformer, 8c is an engaging part, and 12 is an elastic member. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A rotating part including a rotary cylinder is rotatably provided on a main shaft fixed to a fixed cylinder, a cylindrical rotating side rotary transformer is installed in this rotating part, a cylindrical fixed side rotary transformer is installed in the fixed cylinder, and a rotating cylinder In a rotating cylinder device provided inside between a fixed cylinder and a fixed cylinder,
It is composed of an engaging part formed on the outer circumferential surface of the rotating side rotary transformer, and an elastic member that engages with the engaging part to press and fix the rotating side rotary transformer to the rotating part. A rotary cylinder device characterized in that the rotating side rotary transformer can be attached and detached from the rotating part at any time by detaching the rotary transformer.