JPH04275173A - Apparatus for prescribing position of tape in tape cartridge - Google Patents

Abstract

PURPOSE:To make the mounting of a tape cartridge safe and easy by preventing the hooking of a tape with a capstan at the time of mounting the tape cartridge. CONSTITUTION:A revolving lever 41 is provided in the vicinity of the front opening part 23 of a tape cartridge 3. A spring 42 is provided to the revolving lever 41 to push the rear of a tape 5 so as to prevent the slackening of the tape 5 in a hole 24. A fixed post is vertically provided to the machinery mounting the tape cartridge 3. The fixed post strikes against the revolving lever 41 at the time of the mounting of the tape cartridge 3 and the revolving lever 41 is revolved to be retracted from the running route of the tape 5.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape position regulating device in a tape cartridge, and more particularly to a tape position regulating device in a tape cartridge that prevents accidents during installation due to loosening of the tape. It is something.

0002

[Prior Art] A tape cartridge that stores printing tape or magnetic recording tape generally has the surface of the tape exposed through an opening on the front surface, and a hole into which a capstan is loosely inserted is provided in the vicinity of the opening in the vertical direction. The hole has been opened. When this tape cartridge is installed in a device that is to use this tape cartridge, the capstan of the device is loosely inserted into the hole, and the tape is placed between the capstan and a roller or the like arranged opposite to the front opening. To position. Then, the tape is compressed and run using a capstan, a roller, etc., and printing or magnetic recording is performed.

0003

SUMMARY OF THE INVENTION When the above-described tape cartridge is installed, the tape must be set between a capstan and a roller or the like disposed opposite the capstan. However, before the tape cartridge is installed, the tape may loosen within the cartridge and be displaced from the predetermined path. When a tape cartridge in such a state is installed into a device, the bottom end of the tape that should be located at the front opening may come into contact with the top surface of the capstan, etc., which may bend the tape and make it unusable, or cause printing problems. In the case of thick tape such as commercial tape, it may not be possible to mount the tape cartridge.

[0004]Therefore, a technical problem has arisen that must be solved in order to control the positional shift of the tape at the front opening of the tape cartridge and ensure ease of mounting, and the present invention has solved this problem. The purpose is to solve the problem.

[0005]

[Means for Solving the Problems] The present invention is proposed in order to achieve the above-mentioned object.
The capstan or drive roller 7 of the device 1 to which the
In a tape cartridge 3 provided with a hole 24 into which a tape drive member such as the above is loosely inserted, a rotary lever 41 is pivotally mounted inside the tape cartridge 3 and near the hole 24 so as to face the back surface of the tape 5, In addition, a spring 4 is attached to the rotating lever 41.
2 is inserted to press the back side of the tape 5 to prevent the tape 5 from moving to a position where it interferes with the tape drive member, and a fixed post 45 is erected on the tape cartridge mounting portion of the device 1. When the tape cartridge 3 is installed, the rotary lever 41 is connected to the fixed post 4.
A means for solving the problem is a tape position regulating device in a cartridge which is formed so as to rotate in contact with the tape 5 and retreat from the path of the tape 5.

[0006]

[Operation] The rotating lever disposed near the front opening of the tape cartridge presses the back side of the tape by the bias of a spring, biasing the tape toward the front opening, and allows the capstan etc. to be loosely inserted. Exclude from the hole. Therefore, when the tape cartridge is attached to a device, the capstan or the like of the device does not interfere with the tape.

Furthermore, when a tape cartridge is installed, the rotating lever is pressed by a fixed post provided on the device side and rotates, releasing the pressure on the tape and retreating from the tape running path. It does not affect the running of the tape in any way.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a tape printer 1. As shown in FIG. The tape printer 1 has an ink ribbon cassette 2 and a tape cartridge 3 mounted on the right side of the top surface, and prints on a tape 5 stored in the tape cartridge 3 using a thermal head 4 of the main body of the tape printer 1. The tape 5 stored in the tape cartridge 3 is an adhesive tape with a backing paper, and like the ink ribbon 6 of the ink ribbon cassette 2, various colors are available. At the installation site of the ink ribbon cassette 2 and tape cartridge 3 of the tape printer 1, there are first and second drive rollers 7, 8, a thermal head 4 that can be pressed into contact with the first drive roller 7 which also serves as a platen, and a second drive roller. A pinch roller 9 that can press against the roller 8, a take-up reel shaft 10 for the ink ribbon 6, and a supply reel shaft 11 are provided.

When the arbitrarily selected ink ribbon cassette 2 and tape cartridge 3 are installed in the tape printer 1, the ink ribbon 6 and tape 5 are placed in the first and second
The thermal head 4 and the pinch roller 9 are set in the gap between the drive rollers 7 and 8 and the thermal head 4 and the pinch roller 9. When the locking knob 12 provided on the tape printer 1 and projecting upwardly through the center hole of the tape cartridge 3 is rotated in the direction of arrow L, the tape cartridge 3 and the ink ribbon cassette 2 are fixed at the same time. The thermal head 4 and the pinch roller 9 are connected to the first and second drive rollers 7 and 8, respectively.
The tape 5 and the ink ribbon 6 are pressed together.

When characters, symbols, etc. are input from the keyboard 13 of the tape printer 1, the contents are displayed on the display section 14, and the first and second drive rollers 7 are activated in accordance with a print command by pressing the print key 15 in the keyboard 13. , 8 rotate and run the tape 5 and ink ribbon 6 to the left in the figure while keeping them in close contact, and the thermal head 4 transfers the thermal transfer ink of the ink ribbon 6 onto the surface of the tape 5 according to the input contents. do. The ink ribbon 6 is
The rotation of the take-up reel shaft 10 of the tape printer 1 causes the tape 5 to be taken up on the take-up reel 16 in the ink ribbon cassette 2 in conjunction with the running of the tape 5 . printed tape 5
is ejected to the left side of the tape cartridge 3, and a cutting mechanism (not shown) provided in the tape printer 1 is pressed by a cut key 17.
It is disconnected by activating it by pressing the key.

FIG. 2 shows the tape cartridge 3, with the upper part of the plastic case formed by dividing it into upper and lower halves removed. The lower case 21 has a cylindrical shaft 2 in the center.
2 is installed upright, and the first one shown in FIG.
and holes 24 and 25 into which the second drive rollers 7 and 8 are loosely inserted.
has been opened. Further, guide posts 26, 26, . . . are erected at various places along the path of the tape 5. 27, 27, 2
Reference numeral 7 denotes a rib, which facilitates the rotation of the tape 5 wound around the hub 28 loosely fitted onto the shaft 22. An elongated hole 30 is formed at the inner bottom of the shaft 22, leaving both side edges 29, 29, and in the tape printer 1, as shown in FIG. A locking member 31 having the same shape is provided. Therefore, the locking member 31
If the rotational position of the locking member 31 is aligned with the elongated hole 30, the locking member 31
The tape cartridge 3 can be freely fitted into and removed from the shaft 22, that is, the tape cartridge 3 can be freely attached and detached from the tape printer 1.If the lock knob 12 is rotated in the L direction shown in FIG. Both side edges 29, 29 of the member 31 and the elongated hole 30
are engaged, and the tape cartridge 3 is fixed in a non-removable state.

The hub 28 loosely fitted onto the shaft 22 is provided with ratchets 32, 32, . The tip of the spring 33 that is engaged with the case 21 engages with the ratchets 32, 32, . . . to prevent rotation of the hub 28 and prevent the tape 5 from loosening. Note that 34 is a window opened in the lower case 21 for engaging and disengaging the spring 33.

[0013] Tape guides 35, 36, 36, 35, 3
6 and 36 are installed upright on the lower case 21 as shown in FIG. Position. The tape guide 35, 3
6, 36, 35, 36, and 36 are integrally molded into the lower case 21, compared to the conventional method in which the upper tape guide is provided in the upper case and the lower tape guide is provided separately in the lower case. dimensional errors after assembly are reduced,
The running accuracy of the tape 5 is improved.

A rotary lever 41 is pivotally mounted in the middle of two holes 24 and 25 provided near the front opening 23 shown in FIG. bias in the direction. Further, an engaging piece 43 is provided to protrude laterally from an intermediate portion of the rotating lever 41, and a lower surface opening 44 is provided by cutting out a portion of the lower case 21 directly below the engaging piece 43.
It is formed so that a fixed post 45 of a tape printer 1, which will be described later, can be inserted loosely therein.

As shown in FIGS. 2 and 4, when the tape cartridge 3 is not installed, the tape 5 is pressed by the tip of the rotating lever 41, and the tape 5 protrudes forward from the front opening 23 and enters the hole 24. The movement of people is regulated. Therefore, the tape 5 does not interfere with the drive roller 7 loosely inserted into the hole 24 when the tape cartridge 3 is installed. When the tape cartridge 3 is placed in a predetermined position on the tape printer 1, the engagement piece 43 of the rotary lever 41 comes into contact with the fixed post 45 provided on the tape printer 1, as shown in FIGS. 5 and 6, and the rotary lever 41 is rotated upward to release the pressure on the tape 5 and retreat from the running path of the tape 5.

It should be noted that the present invention is not limited to the one embodiment described above, and the shape of the rotary lever can be modified in various ways, and can be applied to various types of tape cartridges. Naturally, this invention extends to modified versions of these.

[0017]

Since the present invention is configured as detailed in the above embodiment, the tape is regulated at a position where it does not interfere with the drive roller, capstan, etc. when the tape cartridge is attached or removed. Therefore, the risk of the tape being bent due to contact with the capstan, etc., or the risk of adverse effects due to contact with the capstan, head, etc. is eliminated, and ease of mounting the tape cartridge is ensured, improving work efficiency and operation. It can contribute to improving sexual performance.

[Brief explanation of the drawing]

FIG. 1 is a plan view of a tape printer.

FIG. 2 is an exploded plan view of the tape cartridge.

FIG. 3 is a side view of the tape guide.

FIG. 4 is a view taken along line A-A in FIG. 2;

FIG. 5 is an exploded plan view showing the state of the tape cartridge installed in the tape printer.

FIG. 6 is a side view of a main part showing a rotation lever of a tape cartridge installed in a tape printer.

[Explanation of symbols] 1 Tape printer 3 Tape cartridge 5 Tape 7 Drive roller 23 Front opening 24 Hole 41 Rotating lever 42 Spring 45 Fixed post

Claims (1)

[Claims] [Claim 1] Front opening 2 of tape cartridge 3
3, the device 1 to which the tape cartridge 3 is to be installed is located near the device 1;
In a tape cartridge 3 provided with a hole 24 into which a tape drive member such as a capstan or a drive roller 7 is loosely inserted, a rotary lever 41 is pivotally mounted inside the tape cartridge 3 and near the hole 24 to drive the tape. 5, and a spring 42 is interposed in the rotary lever 41 to press the back surface of the tape 5 and prevent the tape 5 from moving to a position where it interferes with the tape drive member. , a fixed post 45 is erected on the tape cartridge mounting portion of the device 1, and when the tape cartridge 3 is mounted, the rotary lever 41 abuts against the fixed post 45 and rotates, withdrawing from the path of the tape 5. A tape position regulating device in a cartridge formed to do so.