JPH0729352A - Tape cartridge - Google Patents

Abstract

(57) [Abstract] [Purpose] In a tape cartridge having a built-in memory element, the terminal portion of the memory element can be easily assembled so as to face the outside of the main body case. [Structure] The memory element 25 is wrapped in a casing 32 so that the terminal portion 29 is exposed. An opening 27 is provided in a part of the outer wall of the main body case 1, and a fixing rib 35 is provided inside the opening 27. The envelope case 32 includes an elastic clip portion 34, and the elastic clip portion 34 is fitted and fixed to the fixing rib 35. Then, the terminal portion 29 of the memory element 25 is connected to the opening 27.
To the outside of the body case 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape cartridge containing a memory element.

[0002]

2. Description of the Related Art As a tape cartridge of this type, for example, JP-A-63-166085 and 63-164 are known.
There is one disclosed in Japanese Patent No. 085. There, a memory element for storing characteristic data of the tape or setting data at the time of recording such as recording mode and voice recording data is built in. And the tape cartridge is V
When loaded in TR, the terminal portion of the memory element comes into contact with the connection terminal on the VTR side. The terminal portion of the memory element remains exposed on the outer surface of the main body case.

[0003]

However, in the conventional example in which the terminal portion of the memory element is exposed to the outer surface of the main body case, it is difficult to assemble the terminal portion, and there is a problem that the terminal portion easily falls off from the main body case. .

An object of the present invention is to provide a tape cartridge in which the terminal portion of the memory element is exposed on the outer surface of the main body case, and the terminal portion can be easily and surely and firmly assembled to the main body case. It is in.

[0005]

In the present invention, an opening 27 is formed in the outer wall of the main body case 1 containing the tape 2 as shown in the figure.
And a memory element 25 having a terminal portion 29 facing the opening 27 is provided inside the main body case 1. The entire memory device 25 or only the terminal portion 29 is covered with the elastic clip portion 34 by the enclosing case 32 and the contact points 29 of the terminal portion 29.
A is wrapped so as to be exposed to the outside of the covering case 32, and the elastic clip portion 34 is engaged and fixed to a fixing rib 35 provided inside and inside the opening 27 of the main body case 1.

[0006]

By fixing the elastic clip portion 34 to the fixing rib 35, the terminal portion 29 can be assembled so as to face the outside of the main body case 1 through the opening 27. The elastic force of the elastic clip portion 34 increases the contact pressure between the terminal portion 29 and the VTR-side connection terminal.

[0007]

The drawing shows a tape cartridge for an 8 mm video. 2 and 3, the main body case 1 is formed by abutting upper and lower plastic cases 1a and 1b and integrally coupled with each other by a screw or the like. Has been placed.
The tape 2 drawn from one reel 3 is guided by the tape guides 6 provided at the front and left tape outlets 5, 5 of the main body case 1 and wound on the other reel 3. The front center of the main body case 1, that is, the left and right tape outlets 5
-Has a pocket 7 for tape loading between 5. The upper and lower surfaces and front surface of the pocket 7 are open. The tape 2 led out to the front side of the main body case 1 is covered and protected by a front lid 9, a back lid 10 and an upper lid 11 when not in use.

The front lid 9 extends to the left and right from a position where the front faces of the left and right tape outlets 5 and 5 and the pocket 7 are closed as shown by a solid line in FIG. 5 and an upper open position shown by a two-dot chain line in FIG. It can be freely opened and closed around the support shaft 12. The front lid 9 is a spring member 1 fitted to one of the left and right support shafts 12.
At 3, it is always urged to rotate in the closing direction.

When the front lid 9 is opened / closed, the upper lid 11 closes the upper surface of the pocket 7 as shown by the solid line in FIG. It can be opened and closed freely from position to position.
Therefore, as shown in FIG. 2, the upper lid 11 pivotally connects the connecting shafts 15 at the front ends of the arm portions 14 provided at the left and right ends of the upper lid 11 to the upper and left connecting holes 16 at the upper end of the front lid 9, respectively. 1
4, a slide shaft 17 provided on the inner surface of the rear end of the main body case 1 is provided on the outer surface of the left and right side walls of the main body case 1, and the guide groove 1 has a V-shape.
9 is slidably engaged.

As shown in FIG. 2, the back cover 10 has a connecting pin 20 provided on the left and right of its upper end rotatably and pivotally connected to a pin hole 21a of a boss 21 provided on the inner surface of the upper cover 11. In addition, leg portions 22 are provided on the left and right of the lower rear surface of the back cover 10, and slide pins 23 provided on each leg portion 22 are slidable in "S" -shaped guide grooves 24 provided on the left and right side walls in the pocket 7. Is engaged with. Therefore, the back lid 10 is the front lid 9
And a closed position for covering the back surface side of the tape 2 in the pocket 7 as shown by the solid line in FIG.
As shown by the two-dot chain line state in the figure, it can be opened and closed between the upper surface of the pocket 7 and the open position located below the upper lid 11 in the open state.

As shown in FIGS. 1 and 3, the main body case 1 has a built-in memory element 25. This memory element 25
Is a combination of a ROM chip that stores fixed data such as the specifications and characteristic data of the tape 2, a RAM chip that stores variable data such as setting data at the time of recording, and a battery as one unit of a rectangular parallelepiped. In addition, the terminal portion 29 that comes into contact with the connection terminal on the VTR side is integrally provided on one surface side thereof. As shown in FIG. 4, a plurality of contacts 29a are exposed on the terminal portion 29. Although the terminal portion 29 of the memory element 25 is installed so as to be exposed substantially flush with the outer surface of the outer wall of the main body case 1, the side wall 30 or the pocket rear wall 31 may be used as the outer wall of the main body case 1, but in the illustrated example, I chose the wall 26. The rear wall 26 is provided with an opening 27 in the center portion in the left-right direction, and the memory element 25 has a terminal portion 29.
It is installed so that the contact point 29a of is exposed from the opening 27 to the outside.

The memory element 25 is fixed inside the opening 27 of the main body case 1 in a state of being wrapped in a covering case 32 formed separately from the memory element 25 and the main body case 1. That is, the encasement case 32 is a tetrahedron of a front side wall 32a, a bottom side wall 32b, a rear side wall 32c, and an upper side wall 32d that wraps the front surface, the lower surface, the rear surface, and the upper surface of the memory element 25 by bending a metal plate material such as stainless steel or aluminum. Is formed into a right and left open-ended rectangular tube shape corresponding to the outer shape of the memory element 25. Rear wall 32c
Is provided with a notch 33 that exposes the contact 29a of the terminal portion 29. An elastic clip portion 34 is integrally formed on the rear side of the envelope case 32, and the elastic clip portion 34 integrally projects from the inner bottom corresponding to the inner depth of the opening 27 of the main body case 1. The memory element 25 is fixedly fixed on the inner bottom of the main body case 1 so that the terminal portion 29 faces the opening 27 by being engaged and fixed with.

The elastic clip portion 34 has a clip piece 36 extending forward and downward from the upper end of the front side wall 32a, and an elastic fitting groove 37 which becomes narrower as it goes downward between the clip piece 36 and the front side wall 32a. The narrow portion of the elastic fitting groove 37 is formed to be smaller than the thickness of the fixing rib 35 so that the elastic fitting groove 37 can be press-fitted into the fixing rib 35 through the elastic force of the front side wall 32a and the clip piece 36. There is.

At the time of assembly, the elastic clip portion 34 of the enclosing case 32 enclosing the memory element 25 is engaged with the fixing rib 35 to be fixedly fixed inside the lower case 1b,
After that, the upper case 1a is put on the lower case 1b. At this time, the upper side wall 32d of the envelope case 32 is formed so as to open slightly upward as shown by the chain double-dashed line in FIG.
At the same time as the upper and lower cases 1a and 1b are butted and integrally joined with each other by screws or the like, at the same time, the rear wall of the upper case 1a is connected to the upper side wall 32.
Press d lightly against its elastic force. As a result, the terminal portion 29 can be fixed more stably and surely at the position facing the opening 27.

When the terminal portion 29 comes into contact with the connection terminal on the VTR side after being loaded in the VTR, the clip piece 36 and the upper side wall 32 are provided.
The contact pressure can be increased by the action of the elastic force of d.

The elastic clip portion 34 of the envelope case 32.
Can also be configured as shown in FIGS. In FIG. 6, a clip piece 36 is extended downward from the front end of the upper side wall 32d of the encasement case 32, and an elastic fitting groove 37 is formed between the clip piece 36 and the front side wall 32a. The mating groove 37 is fixed to the fixing rib 35 of the body case 1.
Press fit into. In this case, in order to prevent the clip piece 36 from easily slipping upward from the fixing rib 35, the fixing rib 35 is provided with a slit 39 having a V-shaped cross section, and the clip piece 36 is press-fitted and fixed in this slit 39. Figure 7
Then, the clip piece 36 becomes the upper side wall 32d of the envelope case 32.
A barb piece 36a is provided at the tip of the clip piece 36 while extending downward from the front end of the clip piece. Then, the elastic bending piece 40 is continuously provided downward from the upper end of the front side wall 32a,
An elastic fitting groove 37 that fits into the fixing rib 35 is formed between the elastic bent piece 40 and the clip piece 36.
In this case, a protrusion 35a is provided on the upper end of the front surface of the fixing rib 35, and a burr portion piece 36a is engaged with the protrusion 35a to more reliably prevent the covering case 32 from being pulled out upward from the fixing rib 35. There is.

The envelope case 32 may be formed of an insulating material such as plastic in addition to the metal plate material. The encapsulation case 32 may have a shape having left and right side walls that also close the left and right side surfaces of the memory element 25. The elastic clip portion 34 may be formed separately from the envelope case 32 and integrally connected to the envelope case 32. As the memory element 25, instead of integrally providing the terminal portion 29 on the memory element 25,
It is also possible to use a type in which the main body portion and the terminal portion of the memory element 25 are separated and then both are connected by a conductor. In this case, only the terminal portion 29 of the memory element 25 is covered with the covering case 32 so as to face the opening 27, but the main body can be installed at a different place from the opening 27 of the main body case 1. .

[0018]

According to the present invention, an elastic clip portion 34 is provided in an envelope case 32 that encloses the entire memory element 25 having the terminal portion 29 or only the terminal portion 29, and the elastic clip portion 34 of the main body case 1 is provided. The terminal part 29 can be exposed to the outside of the main body case 1 by a simple assembling means of engaging and fixing to a fixing rib 35 provided inside and inside the opening 27, and the terminal part 29 can be securely and firmly assembled without falling off. And is easy to assemble. Further, the elastic force of the elastic clip portion 34 can increase the contact pressure of the terminal portion 29 with respect to the connection terminal on the VTR side, and a reliable and good terminal contact state can be obtained.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part showing an embodiment of the present invention.

FIG. 2 is an overall exploded perspective view showing an embodiment of the present invention.

FIG. 3 is a plan view of the entire inside showing an embodiment of the present invention.

FIG. 4 is a rear view of an essential part showing an embodiment of the present invention.

FIG. 5 is a vertical sectional side view of a pocket portion showing an embodiment of the present invention.

FIG. 6 is a cross-sectional view of a main part showing another embodiment of the present invention.

FIG. 7 is a cross-sectional view of a main part showing still another embodiment of the present invention.

[Explanation of symbols]

 1 Main Body Case 2 Tape 3 Reel 25 Memory Element 27 Opening 29 Terminal Part 32 Enclosure Case 34 Elastic Clip Part 35 Fixing Rib 36 Clip Piece 37 Elastic Fitting Groove

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Noriaki Masuda, 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa, Ltd. Inside the Hitachi Media Visual Media Research Laboratory (72) Inventor Hidekazu Takeda, 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Hitachi, Ltd. Visual Media Research Laboratory (72) Inventor Tatsumi Nishijima, 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture

Claims (2)

[Claims] 1. An opening 27 is provided in an outer wall of a main body case 1 accommodating a tape 2, and a memory element 25 having a terminal portion 29 facing the opening 27 is provided inside the main body case 1, and the entire memory element 25 is provided. Alternatively, only the terminal portion 29 is wrapped in an envelope case 32 having an elastic clip portion 34 so that the contact points 29 a of the terminal portion 29 are exposed to the outside of the envelope case 32, and the elastic clip portion 34 is opened in the main body case 1. A tape cartridge characterized in that the tape cartridge is engaged and fixed to a fixing rib 35 provided in the inner part of 27. 2. The elastic clip portion 34 is provided between the one side wall 32a of the covering case 32 and the clip piece 36 extending from the one side wall 32a or the other side wall 32d, and the fixing rib 3 is provided between the facing surfaces.
5. An elastic fitting groove 37 that fits in 5 is formed.
The described tape cartridge.