JPH05391U - Cutter device - Google Patents

Abstract

(57) [Summary] [Purpose] To enable easy attachment and replacement of cutters in a cutter device without causing injury. [Structure] Operation member 3 slidably supported in a predetermined direction
1, a base 35 of a cartridge 34 that is detachably attached to the operating member 31, a cutter 38 attached to the base 35 with a cutting edge 38a facing the sliding direction of the operating member 31, and a base A movable protection cover 39 that is movably provided on the operation member 31 along the sliding direction of the operation member 31 to conceal the cutter 38 in a retractable manner, and a movable protection cover 3 for the base 35.
The movable protection cover 39 is locked in a state where the movement of 9 is blocked and the cutter 38 is hidden, and the lock arm 40 that unlocks the movable protection cover 39 when the base 35 is attached to the operation member 31. Equipped

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cutter device for cutting a continuous cut object such as a tape.

[0002]

[Prior Art]

 2. Description of the Related Art Recently, handheld printers that can easily print desired information at desired places have become widespread in printers. In such a printing apparatus, generally, an ink tape cassette equipped with a heat-sensitive ink tape is detachably mounted, and a tape-shaped recording paper is superposed on the ink tape slidably contacted with 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 device 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. In this cutter device, an operating member is slidably provided in the vicinity of a discharge port for discharging recording paper, and the cutter is attached to the tip of the operating member by a mounting member such as a screw.

[0003]

[Problems to be solved by the device]

 However, in such a cutter device, the cutter cannot be replaced unless the mounting member such as a screw is removed, which is not only a troublesome work for exchanging the cutter, but especially, the mounting and replacement of the cutter. Since the cutting edge was always exposed during the operation, there was a risk of injury and there was a problem with safety. An object of the present invention is to provide a cutter device in which the cutter can be easily attached and replaced and the cutter device can be made safe without injury.

[0004]

[Means for Solving the Problems]

 According to the invention, an operating member slidably supported in a predetermined direction, a base which is detachably attached to the operating member, and a cutting edge mounted in the sliding direction of the operating member are mounted on the base. The attached cutter member, the movable protection member that is provided on the base so as to be movable along the sliding direction of the operation member, and hides the cutter member in a retractable manner, and prevents the movement of the movable protection member with respect to the base. The present invention is characterized in that the movable protection member is locked in a state where the cutter member is hidden, and a lock member that unlocks the movable protection member when the base is attached to the operation member.

[0005]

[Action]

 The operation of the means of this invention is as follows. In the state 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 installing the cutter member, if the base is attached to the operating member while the cutter member is hidden by the movable protection member, the locking of the movable protection member by the lock member is released and the movable protection member is attached to the base member. It is attached so that it can move with respect to. Therefore, when cutting an object to be cut such as a tape with the cutter member attached in this way, slide the operating member toward the object to be cut and move the cutter member and the movable member provided on the base. When the protective member moves, the movable protective member first comes into contact with the cut object and stops.In this state, the base and the cutter member further move to the cut object side, and the blade edge of the cutter member moves from the movable protective member. It will protrude and cut the object to be cut.

[0006]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS.

1 and 2 show the main part of the printing apparatus. In this printing apparatus, a chassis 2 is provided inside a portable box-shaped apparatus main body 1, a tape cassette 3 is removably mounted on the upper surface of the chassis 2, and the mounted tape cassette 3 is mounted. It is adapted to be covered by a lid 4 which is openably and closably attached to the main body 1. In this case, as shown in FIG. 1, 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. Although not shown, the printing device can be connected to an external device such as an electronic notebook or a word processor via a communication cable.

A winding shaft 10, a platen roller 11, and a thermal print head 12 are provided at predetermined positions in the apparatus main body 1 so as to project above the chassis 2. The winding shaft 10 is rotatably provided on the apparatus main body 1. The platen roller 11 is rotatably provided on a support plate 13 provided on the apparatus body 1. The thermal print head 12 is provided at the location of the apparatus main body 1 so as to be able to come into contact with and separate from the platen roller 11. The thermal print head 12 is in the form of a vertically long and slender plate, and a large number of heating elements (not shown) are arranged in the vertical direction at fine intervals. Further, a print tape discharge port 14 and a cutter device 30 described later are provided at a predetermined position on the upper left wall of the apparatus main body 1.

In the tape cassette 3 mounted on the chassis 2, the print-receiving tape supply reel 15 is fitted to the cassette guide shaft 16 and the ink tape take-up reel 17 is engaged to the take-up shaft 10. It is mounted at a predetermined location on the chassis 2. In this state, the print-receiving tape 18 fed from the print-receiving tape supply reel 15 is sent out of the apparatus main body 1 between the platen roller 11 and the thermal print head 12 and through the print-receiving 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 via the ink tape guide pin 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 is becoming like this.

On the other hand, the cutter device 30 is provided in the vicinity of the print tape discharge port 14 of the apparatus main body 1 and cuts the print-receiving tape 18 fed from the print tape discharge port 14, and FIGS. It is configured as shown in FIG. That is, the device body 1 is provided with the operating member 31 slidably toward the inside of the print tape discharge port 14. The button portion 32 of the operating member 31 is exposed to the outside from the long hole 33 of the device body 1, and when the button portion 32 is operated from the outside of the device body 1, the button portion 32 slides in the X and Y directions. 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. The cartridge 34 has a mounting protrusion 36 having an inverted trapezoidal cross section provided on a base 35 and slidably fitted in a mounting groove 37 having an inverted trapezoidal cross section provided on the operation member 31 at a right angle to the sliding direction thereof. By doing so, the operation member 31 is detachably attached.

At the center of the tip surface (lower end surface) of the base 35, a cutter 38 is provided along the sliding direction of the operating member 31 and a blade edge 38 a facing the print tape discharge port 14 side. Further, a movable protection cover 39 is provided on the tip end surface of the base 35 so as to be movable 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 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 between the bases 35, and a locking hook 43 provided on the base 35 engages with a locking protrusion 44 in the movable protection cover 39. By doing so, it is attached to the base 35 so as not to separate from the base 35. The movable protection cover 39 is provided with an insertion hole 45 that accommodates the cutter 38 when the movable protection cover 39 is separated from the base 35, and into which the blade tip 38a of the cutter 38 is inserted and protrudes when the movable protection cover 39 approaches the base 35. There is.

On the side surface of the base 35, a lock arm 46 having a substantially inverted V shape is rotatably supported by a shaft pin 47. One end (lower end) 46a of the lock arm 46 is movable by a torsion spring 48 that is wound around a shaft pin 47 and has one end locked to the base 35 and the other end locked to the lower side of the lock arm 46. The movable protection cover 39 is abutted on the upper surface of the protection cover 39 and separated from the base 35 and locked, so that the other end (upper end) 46b projects to the side of the mounting protrusion 36 of the base 35. It is energized.

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

In the state before mounting the cartridge 34, as shown in FIG. 7A, the lock arm 46 is biased by the torsion spring 48, and one end 46 a of the lock arm 46 abuts on the movable protection cover 39. Therefore, the movable protection cover 39 is locked in a state of being separated from the base 35. Therefore, the cutter 38 provided on the base 35 is housed in the insertion hole 45 of the movable protection cover 39, and the blade 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 handled safely.

When such a cartridge 34 is attached to the operation member 31, as shown in FIG. 7A, the cartridge 34 is arranged on the side of the operation member 31, and in this state, the cartridge 34 is attached to the tip of the operation member 31. Move in the direction of the arrow (from left to right in the figure). Then, as shown in FIG. 7B, when the mounting protrusion 36 provided on the base 35 of the cartridge 34 is fitted into the mounting groove 37 of the operation member 31 and moved, the base 35 is moved. Be attached to. When the mounting protrusion 36 of the base 35 is mounted in the mounting groove 37 of the operating member 31 in this way, the tip end of the operating member 31 contacts the other end 46b of the lock arm 46 protruding laterally of the mounting protrusion 36. Since the lock arm 46 is rotated against the torsion spring 48, one end 46a of the lock arm 46 is separated from the movable protective cover 39, and the lock of the movable protective cover 39 by the lock arm 46 is released. Then, the movable protection cover 39 becomes movable in the direction of approaching and separating from the base 35. Therefore, when mounting the cartridge 34, it is only necessary to fit the mounting protrusion 36 of the base 35 into the mounting groove 37 of the operation member 31 and slide it, and therefore the cartridge 34 can be mounted very easily. In this state, the cutter 38 is hidden by the movable protection cover 39, so that the 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 inside 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 presses the print-receiving tape 18 against the facing surface of the print-tape outlet 14. As a result, the print-receiving tape 18 is pressed and fixed by the movable protective cover 39, and similarly, the movable protective cover 39 is prevented from moving and stops. When the operating member 31 is further moved in this state, the guide pin 41 of the movable protection cover 39 is inserted into the guide hole 40 of the base 35 against the coil spring 42, so that the base 35 is protected against movement while being guided. Move towards cover 39. Therefore, the cutter 38 moves together with the base 35, the blade edge 38a projects from the insertion hole 45 of the movable protective cover 39, and cuts the print-receiving tape. At this time, the 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 blade edge 38a of the cutter 38 is sufficiently projected from the movable protection cover 39.

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

[0019]

[Effect of the device]

 As described above, according to the present invention, in the state before the cutter member is attached to the operation member, the cutting edge of the cutter member is hidden and protected by the movable protection member, and the movable protection member serves as the base. It is locked by a lock member so that it will not move relative to it.If the base is attached to the operating member in this state, the lock of the movable protection member will be unlocked, and the movable protection member will not move with respect to the base. Since it is movable, the cutter can be easily installed and replaced, and it can be performed safely without injury.

[Brief description of drawings]

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

FIG. 2 is an external perspective view showing a state in which the tape cassette is mounted on the printing apparatus.

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

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

5 is a cross-sectional view taken along the line AA of FIG.

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

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

[Explanation of symbols]

 30 Cutter Device 31 Operating Member 34 Cartridge 35 Base 38 Cutter 38a Blade Edge 39 Movable Protective Cover 40 Lock Arm

Claims (1)

Claims for utility model registration: 1. An operating member slidably supported in a predetermined direction, a base that is detachably attached to the operating member, and a sliding direction of the operating member. A cutter member attached to the base with a cutting edge facing the movable base, and a movable protection member movably provided on the base along the sliding direction of the operation member to conceal the cutter member in a retractable manner, The movable protection member is locked in a state where the movable protection member is prevented from moving with respect to the base and the cutter member is hidden, and the movable protection member is locked when the base is attached to the operation member. A cutter device comprising: a lock member for releasing.