JPS61178568U - - Google Patents

Description

[Brief explanation of the drawing]

Figures 1 to 31 show an embodiment of this invention, in which Figure 1 is a perspective view of the main parts of the disk cartridge case, and Figure 2 is a perspective view of the disk cartridge case in the open state. Figure 3 is a perspective view of the disk cartridge case in a closed state, Figure 4 is an exploded perspective view of the disk cartridge case, Figure 5 is a partially cutaway bottom view of the disk cartridge case, and Figure 6 is a perspective view of the disk cartridge case in a closed state. The figure is a plan view of the case lid, Figure 7 is a rear view of the same, and Figure 8 is Figure 6B.
9 is a sectional view taken along line B, FIG. 9 is a sectional view taken along line C-C in FIG. 6, FIG. 10 is a bottom view of the case lid, and FIG.
Figure 0 is a view taken along line D--D, Figure 12 is a plan view of the disk cartridge frame, Figure 13 is a front view of the same, Figure 14 is a rear view of the frame, and Figure 15 is a side view taken along line H-H of Figure 12. 16 is a bottom view of the disk cartridge frame, FIG. 17 is a cross-sectional view taken along the line N--N in FIG. 16, FIG. 18 is a cross-sectional view taken along the line O--O in FIG. Figure Q-Q line view, Figure 20 is the 1st
6 is a sectional view taken along the line R--R, FIG. 21 is an enlarged view of the section taken along the arrow S in FIG. 16, FIG. 22 is a sectional view taken along the line T--T in FIG. -A sectional view of the U-line view, FIG. 24 is a bottom view of the shutter plate, FIG. 25 is a top view of the shutter lever, FIG. 26 is a front view of the same, FIG. 27 is a bottom view of the same, and FIG. 28 is a bottom view of the shutter lever.
Figure 29 is a bottom view of the bottom plate, Figure 30 is a cross-sectional view of the section taken along line V-V, Figure 30 is a view taken along line X--X of Figure 29, and Figure 31
The figures are FIG. 29, a Y--Y line view, and FIGS. 32 and 33, which show conventional disk cartridge cases. FIG. 32 is a perspective view of the disk cartridge case in an open state, and FIG. FIG. 33 is an exploded perspective view of the main parts of the case. 29...Case body, 32...Shutter plate, 43...
Disk placement part (disk placement hole), 55b, 5
5c...Engagement means (hole), 75...Shutter lever, 78...Elastic contact, 79...Engagement means (protrusion),
82...Pickup head insertion hole.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A disk cartridge case comprising a case body having a disk arranging portion and a pick up head insertion hole, and a shutter plate that can freely open and close the pick up head insertion hole; A shutter lever for operating the shutter plate is integrally connected to the plate, and the shutter lever is provided with an elastic contact that elastically contacts the case body to prevent the shutter plate from moving accidentally. A device to prevent sudden movement of the shutter plate of a disk cartridge case. (2) Practical use characterized in that the case body and the elastic contact are provided with engagement means for stopping the shutter plate in that position when the shutter plate opens or closes the pick up head insertion hole. A device for preventing accidental movement of a shutter plate of a disk cartridge case as claimed in claim 1.