JP2551524Y2 - Cutter device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutter device for cutting a continuous object such as a tape.

[0002]

2. Description of the Related Art In recent years, hand-type printers that can easily print desired information at desired locations have become widespread in printing apparatuses. In such a printing apparatus, generally, an ink tape cassette provided with a thermal type ink tape is detachably mounted, and a tape-shaped recording paper is superimposed on the ink tape slidably contacting the thermal print head. When the thermal print head is driven according to the information, desired information is printed on the recording paper. By the way, such a printing apparatus is provided with a cutter device so that a tape-shaped recording paper on which information is printed can be cut and used as a label. The cutter device has a structure in which an operation member is slidably provided near a discharge port from which recording paper is discharged, and a cutter is attached to a tip of the operation member by an attachment member such as a screw.

[0003]

However, in such a cutter device, it is not only inconvenient that the replacement work of the cutter is troublesome because the cutter cannot be replaced without removing a mounting member such as a screw. In particular, there is a risk of injury because the blade edge is always exposed when the cutter is mounted or replaced, and there is a problem in safety. An object of the present invention is to provide a cutter device in which the installation and replacement of the cutter are easy and can be performed safely without injury.

[0004]

According to the present invention, there is provided an operating member slidably supported in a predetermined direction, a base detachably mounted on the operating member, and a base in a sliding direction of the operating member. A cutter member mounted on the base with the cutting edge facing, a movable protection member provided on the base so as to be movable along the sliding direction of the operating member, and a movable protection member for concealing the cutter member so that the cutter member can come and go; A lock member that locks the movable protection member in a state where the cutter member is hidden by preventing movement of the movable protection member, and unlocks the movable protection member when the base is mounted on the operation member. I do.

[0005]

The operation of the means of the present invention is as follows. Before the cutter member is attached to the operation member, the cutter member is hidden by the movable protection member, and the movable protection member is locked by the lock member so as not to move with respect to the base. When the cutter member is attached, when the base is attached to the operation member in a state where the cutter member is hidden by the movable protection member, the lock of the movable protection member by the lock member is released, and the movable protection member is moved relative to the base. It is attached in a movable state. Therefore, when the object to be cut such as tape is cut by the cutter member attached in this manner, when the operation member is slid toward the object to be cut, the cutter member provided on the base and the movable protection member are moved. When the member moves, the movable protection member first comes into contact with the workpiece and stops, and in this state, the base and the cutter member further move toward the workpiece, and the blade edge of the cutter member protrudes from the movable protection member. To cut the object to be cut.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIGS. 1 and 2 show a main part of a printing apparatus.
In this printing apparatus, a chassis 2 is provided inside a portable box-shaped apparatus main body 1, and a tape cassette 3 is detachably mounted on an upper surface of the chassis 2, and the mounted tape cassette 3 is attached to the apparatus main body 1. The cover 4 is provided so as to be openable and closable. In this case, a sheet key 6 for inputting information and a liquid crystal display section 7 for displaying the input information are provided on the surface of the lid 4 as shown in FIG. Although not shown, the printing device can be connected to an external device such as an electronic organizer or a word processor via a communication cable.

At a predetermined position in the apparatus main body 1, a winding shaft 10,
A platen roller 11 and a thermal print head 12 are provided to protrude above the chassis 2 respectively.
The winding shaft 10 is rotatably provided on the apparatus main body 1.
The platen roller 11 is a support plate 1 provided on the apparatus main body 1.
3 is provided rotatably. Thermal print head 1
Numeral 2 is provided at a position of the apparatus main body 1 so as to be able to approach and separate from the platen roller 11. This thermal print head 12
Is a vertically long and slender plate-like member, and a large number of heating elements (not shown) are vertically arranged at fine intervals. Further, a print tape discharge port 14 and a cutter device 30 described later are provided at a predetermined location on the upper left wall of the apparatus main body 1.

The tape cassette 3 mounted on the chassis 2 has a print-receiving tape supply reel 15 fitted on a cassette guide shaft 16 and an ink tape take-up reel 17 engaged with the take-up shaft 10. It is attached to a predetermined location on the chassis 2. In this state, the print-receiving tape supply reel 15
Is fed out of the apparatus main body 1 between the platen roller 11 and the thermal print head 12 and through the print tape discharge port 14. The ink tape 20 fed from the ink tape supply reel 19 is taken up by the ink tape take-up reel 17 between the platen roller 11 and the thermal print head 12 and through the ink tape guide pins 21. The print-receiving tape 18 and the ink tape 20 between the platen roller 11 and the thermal print head 12 are overlapped with each other in a state where the surface of the base tape of the print-receiving tape 18 and the ink of the ink tape 20 are in contact with each other. It has become.

On the other hand, the cutter device 30 is provided near the print tape discharge port 14 of the apparatus main body 1 and cuts the print-receiving tape 18 sent out from the print tape discharge port 14, as shown in FIGS. It is configured as shown in FIG.
That is, the operation member 31 is slidably provided in the apparatus main body 1 toward the inside of the print tape discharge port 14. The button member 32 of the operation member 31 is exposed to the outside from the long hole 33 of the device main body 1, and is slid in the X and Y directions by operating the button portion 32 from the outside of the device main body 1. ing.

A cartridge 34 is detachably attached to the tip (lower end) of the operation member 31 on the side of the print tape discharge port 14. In the cartridge 34, a mounting protrusion 36 having an inverted trapezoidal cross section provided on the base 35 is slidably fitted in a mounting groove 37 having an inverted trapezoidal cross section provided on the operation member 31 at right angles to the sliding direction. Thereby, it is detachably attached to the operation member 31.

At the center of the front end surface (lower end surface) of the base 35, a cutter 38 is provided along the sliding direction of the operation member 31 and a cutting edge 38a is directed toward the print tape discharge port 14 side. A movable protective cover 39 is provided on the distal end surface of the base 35.
Are provided movably along the sliding direction of the operation member 31. That is, the movable protection cover 39 is guided by inserting the guide pin 41 into the guide hole 40 provided in the base 35, and between the base 35 and the movable protection cover 39 on the outer periphery of the guide pin 41. Is urged in a direction away from the base 35 by a coil spring 42 disposed on the base 35, and a locking hook 43 provided on the base 35 is engaged with a locking projection 44 in the movable protection cover 39. It is attached to the base 35 so as not to separate from the base 35. When the movable protection cover 39 is separated from the base 35, the cutter 38 is housed in the movable protection cover 39.
5 is provided with an insertion hole 45 through which the blade tip 38a of the cutter 38 is inserted and protrudes when approaching the cutter 5.

On the side surface of the base 35, a substantially inverted "ku"
A lock arm 46 having a U-shape is rotatably supported by a shaft pin 47. The lock arm 46 has a shaft pin 4
7, one end (lower end) 46 a of the lock arm 46 abuts on the upper surface of the movable protection cover 39 by a torsion spring 48, one end of which is wound on the base 35 and the other end of which is locked on the lower side of the lock arm 46. The movable protective cover 39 is separated from the base 35 and locked, and the other end (upper end) 46 b is urged so as to protrude to the side of the mounting protrusion 36 of the base 35.

Next, a case where the cartridge 34 of the cutter device 30 is attached to the printing apparatus will be described with reference to FIGS.

Before the cartridge 34 is mounted, as shown in FIG. 7A, the lock arm 46 is urged by a torsion spring 48 so that one end 46a of the lock arm 46 comes into contact with the movable protective cover 39. Because
The movable protection cover 39 is locked while being separated from the base 35. For this reason, the cutter 38 provided on the base 35 is accommodated in the insertion hole 45 of the movable protection cover 39, and the cutting edge 38a of the cutter 38 is not exposed to the outside. In this state, the cutting edge 38a of the cutter 38 is not injured, so that the cartridge 34 can be safely handled.

The cartridge 34 is connected to the operation member 3.
7A, the cartridge 34 is disposed on the side of the operation member 31 as shown in FIG. 7A, and in this state, the cartridge 34 is moved along the tip of the operation member 31 in the direction of the arrow (from the left side in FIG. To the right). Then, as shown in FIG. 7 (B), when the mounting projection 36 provided on the base 35 of the cartridge 34 is fitted into the mounting groove 37 of the operating member 31 and moved, the base 35 is moved to the operating member 3.
1 is attached. When the mounting protrusion 36 of the base 35 is mounted in the mounting groove 37 of the operation member 31 in this manner, the other end 46 of the lock arm 46 protruding to the side of the mounting protrusion 36.
b, the distal end of the operating member 31 contacts the lock arm 4.
6 is rotated against the torsion spring 48, the one end 46a of the lock arm 46 is separated from the movable protection cover 39, and the lock of the movable protection cover 39 by the lock arm 46 is released. 39 is movable in the direction in which it comes into contact with and separates from the base 35.
Therefore, when mounting the cartridge 34,
It is only necessary to fit the mounting projection 36 of the base 35 into the mounting groove 37 of the operating member 31 and slide it. Therefore, the cartridge 34 can be mounted very easily. Since it is hidden by 39, mounting work can be performed safely.

When the print-receiving tape 18 is cut by the cutter device 30 to which the cartridge 34 is attached as described above, the operating member 31 is positioned in the print-tape outlet 14 as shown in FIG. 7C. It is slid to the print-receiving tape 18 side. Then, the cartridge 34 moves together with the operation member 31, and first, the movable protection cover 39 is moved to the printing target tape 1.
8 is pressed against the opposite surface of the print tape discharge port 14. As a result, the print-receiving tape 18 is pressed and fixed by the movable protection cover 39, and the movement of the movable protection cover 39 is stopped and stopped in the same manner. In this state, when the operation member 31 is further moved, the guide pins 41 of the movable protection cover 39 are inserted into the guide holes 40 of the base 35 against the coil springs 42, so that the base 35 is guided while being moved. Move toward 39. Therefore, the cutter 38 moves together with the base 35 so that the cutting edge 38a protrudes from the inside of the insertion hole 45 of the movable protection cover 39, and cuts the print-receiving tape. At this time, one end 46a of the lock arm 46 is inserted into the clearance groove 49 provided in the movable protection cover 39, so that the cutting edge 38a of the cutter 38 projects sufficiently from the movable protection cover 39.

The present invention is not limited to the above embodiment. For example, the print head does not need to be a thermal print head, may be a wire dot print head, and can be widely used not only for a label printing device but also for a printing device of a data processing device such as a word processor.

[0019]

As described above, according to the present invention, before the cutter member is attached to the operating member,
The cutting edge of the cutter member is hidden and protected by a movable protection member, and the movable protection member is locked by a lock member so as not to move with respect to the base. In this state, the base is mounted on the operation member. Then, the lock of the lock member with respect to the movable protection member is released, and the movable protection member can be moved with respect to the base. Therefore, the cutter can be easily mounted and replaced, and the cutter can be safely performed without injury. be able to.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a printing apparatus.

FIG. 2 is an external perspective view illustrating a state where a tape cassette is mounted on the printing apparatus.

FIG. 3 is an enlarged plan view of the cutter device.

FIG. 4 is an external side view of the cartridge.

FIG. 5 is a sectional view taken along line AA of FIG. 4;

FIG. 6 is a sectional view taken along line BB of FIG. 4;

7A is a view showing a state before the cartridge is mounted, FIG. 7B is a view showing a state when the cartridge is mounted, and FIG. 7C is a state when the print-receiving tape is cut by the cutter device. FIG.

[Explanation of symbols]

 Reference Signs List 30 cutter device 31 operating member 34 cartridge 35 base 38 cutter 38a blade edge 39 movable protective cover 40 lock arm

Claims (1)

(57) [Scope of request for utility model registration] An operating member slidably supported in a predetermined direction; a base detachably mounted on the operating member; and a base having a cutting edge directed in a sliding direction of the operating member. A cutter member attached to the base; a movable protection member provided on the base so as to be movable along a sliding direction of the operation member to hide the cutter member so that the cutter member can come and go; and a movable protection member for the base. A lock member that locks the movable protection member in a state where the cutter member is hidden by preventing the movement, and unlocks the movable protection member when the base is mounted on the operation member. Cutter device made.