JPS627699U

JPS627699U -

Info

Publication number: JPS627699U
Application number: JP9701985U
Authority: JP
Priority date: 1985-06-26
Filing date: 1985-06-26
Publication date: 1987-01-17

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す断面図、第
２図はパーソナルコンピユータの外観を示す傾斜
図、第３図乃至第５図は従来例を示す断面図であ
る。図において、１はパーソナルコンピユータ本体
、２はプログラムカートリツジ、３は挿通孔、４
はカートリツジ挿入部、５は防埃扉、６は回転軸
、７はコイルスプリング、１０は後退用長孔であ
る。なお、各図中同一符号は同一又は相当部分を
示す。 FIG. 1 is a sectional view showing an embodiment of this invention, FIG. 2 is an inclined view showing the external appearance of a personal computer, and FIGS. 3 to 5 are sectional views showing a conventional example. In the figure, 1 is the personal computer main body, 2 is the program cartridge, 3 is the insertion hole, and 4 is the main body of the personal computer.
1 is a cartridge insertion portion, 5 is a dust-proof door, 6 is a rotating shaft, 7 is a coil spring, and 10 is a long hole for retraction. Note that the same reference numerals in each figure indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

In a dust-proof door support device that rotatably holds a dust-proof door that opens and closes a cartridge insertion part for inserting and holding a program cartridge, a receding elongated hole is provided in either the dust-proof door or its support part. A program cartridge, characterized in that the other side is provided with an engaging protrusion that engages with the elongated retreating hole, and an elastic member that normally biases the dust-proof door to the forward position on the side of the cartridge insertion portion. Dust-proof door support device for the insertion section.