JPH0164165U

JPH0164165U -

Info

Publication number: JPH0164165U
Application number: JP1987157540U
Authority: JP
Priority date: 1987-10-16
Filing date: 1987-10-16
Publication date: 1989-04-25

Description

[Brief explanation of the drawing]

第１図は本考案の実施例の平面図、第２図は正
面図、第３図はシヤツタ開放状態の平面図、第４
図はシヤツタの拡大斜視図、第５図はシヤツタの
スライダ部の平面図、第６図は第５図線にお
ける拡大縦断面図、第７図は下ケースの一部の斜
面図、第８図はシヤツタ組込状態で開放終端位置
での一部の斜面図である。１…デイスク、２…ケース、３…ピツクアツプ
挿入孔、４…シヤツタ、４_１…上板、４_２…下板
、４_３…スライダ、４_４…スライダ側壁、５…係
合孔、６…係合突起、７…係合片、８…係合穴、
１４…ケース凹面部、１４_１…側壁面、１７…ガ
イド溝、１８…スライドガイド片、２４…当接部
、ｄ_２…隙間。 Fig. 1 is a plan view of an embodiment of the present invention, Fig. 2 is a front view, Fig. 3 is a plan view of the shutter in the open state, and Fig. 4 is a plan view of the embodiment of the present invention.
Figure 5 is an enlarged perspective view of the shutter, Figure 5 is a plan view of the slider section of the shutter, Figure 6 is an enlarged vertical sectional view taken along the line in Figure 5, Figure 7 is a partial perspective view of the lower case, and Figure 8. 2 is a partial perspective view of the shutter in the open end position with the shutter installed. DESCRIPTION OF SYMBOLS 1... Disc, 2... Case, 3... Pickup insertion hole, 4... Shutter, 4 ₁ ... Upper plate, 4 ₂ ... Lower plate, 4 ₃ ... Slider, 4 ₄ ... Slider side wall, 5... Engagement hole, 6... Engagement Engagement projection, 7... Engagement piece, 8... Engagement hole,
14... Case concave surface portion, 14 ₁ ... Side wall surface, 17... Guide groove, 18... Slide guide piece, 24... Contact portion, d ₂ ... Gap.

Claims

[Scope of claims for utility model registration] (1) Case 2 that rotatably houses disk 1
The upper plate 4 ₁ and lower plate 4 ₂ of the metal shutter plate for opening and closing the pick-up insertion hole 3 and the drive shaft insertion hole formed in the slider 4 ₃ made of a slippery synthetic resin. In a disc cartridge equipped with a shutter 4 having a substantially U-shaped cross section and connected to each other, when the shutter 4 is opened and closed, the slider 4 ₃ side wall portions 4 ₄ , 4 ₄ and the contact portion 24 of the case 2
, 24, a gap d is created between both ends of the upper plate ₄₁ and lower plate ₄₂ of the shutter plate and at least one of the corresponding side wall surfaces ₁₄₁ , ₁₄₁ of the case 2. A disk cartridge characterized in that it is configured to form _two . (2) The shutter 4 has an upper plate 4 ₁ and a lower plate 4 ₂
Both sides of the case 2 and the corresponding side walls 1 of the case 2
4 ₁ , 14 ₁ . The disk cartridge according to claim 1 , which is configured such that the gap d ₂ is formed between each of the disk cartridges 4 1 and 14 1.