JPH01162176U

JPH01162176U -

Info

Publication number: JPH01162176U
Application number: JP5748188U
Authority: JP
Priority date: 1988-04-28
Filing date: 1988-04-28
Publication date: 1989-11-10

Description

[Brief explanation of the drawing]

第１図〜第８図は実施例を示すものであつて、
第１図はカートリツジを構成する上ハーフと下ハ
ーフとを分離して各ハーフの内面側を示した平面
図、第２図ａは第１図のａ―ａ線矢視断面図
、第２図ｂは同図ａの要部拡大図、同図ｃは第１
図ｃ―ｃ線矢視断面図、第３図、第４図、第
５図はそれぞれ他のカートリツジを示す要部拡大
断面図、第６図ａは更に他のカートリツジを示す
断面図、同図ｂは同図ａの要部拡大図、第７図ａ
は押圧部材を示す平面図、同図ｂは他の押圧部材
を示す平面図、同図ｃはカートリツジの要部拡大
断面図（同図ａ，ｂのｃ―ｃ線矢視断面を表
す。）、同図ｄはカートリツジの要部拡大断面図
（同図ａ，ｂのｄ―ｄ線矢視断面を表す。）
、第８図ａは更に他のカートリツジの上ハーフ内
面側を示す平面図、同図ｂは同図ａのｂ―ｂ
線矢視断面図、である。第９図、第１０図は従来
例を示すものであつて、第９図はカートリツジの
上ハーフと下ハーフとを分離して各ハーフの内面
側を示す平面図、第１０図ａは第９図のＸａ―Ｘ
ａ線矢視断面図、第１０図ｂは同図ａの要部拡大
図、同図ｃは第９図のＸｃ―Ｘｃ線矢視断面図、
である。なお、図面に示す符号において、２，１２……
上ハーフ、２ａ，３ａ……ハーフ内面、３……下
ハーフ、４，５，１４，１５……ライナ、４ａ，
４ｂ，４ｃ，４ｄ，５ａ，５ｂ，５ｃ，５ｄ，１
４ｃ，１４ｄ……溶着部、４ｅ，４ｆ，１５ａ…
…折曲部、６，１６，２６，３６……ライナ塊、
１０……磁気デイスク、１１……リフタ、１３…
…磁気デイスクの回転方向、４６，５６……押圧
部材、４６ａ，５６ａ……凸部、４６ｂ，５６ｂ
……凹部、４６ｃ，５６ｃ……低面、である。 FIGS. 1 to 8 show examples, and
Fig. 1 is a plan view showing the inner side of each half after separating the upper and lower halves that make up the cartridge, Fig. 2a is a sectional view taken along the line a-a in Fig. 1, and Fig. 2 b is an enlarged view of the main part of figure a, figure c is the first part.
Figures 3, 4, and 5 are enlarged sectional views of main parts showing other cartridges, and Figure 6a is a sectional view showing still another cartridge. b is an enlarged view of the main part of Fig. 7 a.
is a plan view showing the pressing member, b is a plan view showing another pressing member, and c is an enlarged cross-sectional view of the main part of the cartridge (representing a cross section taken along the line c-c in a and b in the same drawing). , d in the same figure is an enlarged sectional view of the main part of the cartridge (represents a cross section taken along the line dd in a and b in the same figure)
, FIG. 8a is a plan view showing the inner surface side of the upper half of another cartridge, and FIG.
It is a sectional view taken along the line. 9 and 10 show a conventional example, in which FIG. 9 is a plan view showing the inner side of each half after separating the upper half and lower half of the cartridge, and FIG. Xa-X in the diagram
10b is an enlarged view of the main part of FIG. 10a, FIG. 10c is a sectional view taken along the line Xc-Xc in FIG. 9,
It is. In addition, in the symbols shown in the drawings, 2, 12...
Upper half, 2a, 3a... half inner surface, 3... lower half, 4, 5, 14, 15... liner, 4a,
4b, 4c, 4d, 5a, 5b, 5c, 5d, 1
4c, 14d...welded part, 4e, 4f, 15a...
...Bending portion, 6, 16, 26, 36...Liner mass,
10...magnetic disk, 11...lifter, 13...
...Rotation direction of magnetic disk, 46, 56...Press member, 46a, 56a...Protrusion, 46b, 56b
. . . recessed portion, 46c, 56c . . . lower surface.

Claims

[Scope of utility model registration request]

A liner that comes into sliding contact with the magnetic disk is disposed within the cartridge body housing the magnetic disk,
A magnetic disk cartridge, wherein at least a magnetic disk facing area of the inner surface of the cartridge main body has a flat or gently curved shape, and the liner is pressed against the magnetic disk in at least a portion of the magnetic disk facing area.