JP2000296494A - Cutter mechanism and printer provided therewith - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely feed recording paper to a position capable of cutting by a stationary knife member and a movable knife member and ensure good condition to cut the recording paper between the stationary knife member and the movable knife member. SOLUTION: This cutter mechanism part is provided with a movable knife part and a paper guide mechanism 70. The paper guide mechanism 70 has a paper guide part 71 composed so as to turn with a supporting shaft 72 as a center. The paper guide member 71 is placed at a paper feeding position by abutting to a first abutting part of the movable knife part and is placed at a paper cutting position by abutting to a second abutting part 42b of the movable knife part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a POS (P
In particular, the present invention relates to a printer including a cutter mechanism having a round blade, such as an electronic cash register used in an O.T.

[0002]

2. Description of the Related Art Generally, in this type of printer,
A printing mechanism is provided for printing on the recording paper pulled out from the roll paper along the paper path.The printing mechanism is provided downstream of the paper path of the printing mechanism for cutting the recording paper after printing. Is provided.

Conventionally, as such a cutter mechanism, for example, a long fixed blade and a circular blade (hereinafter referred to as a “round blade”)
That. ), And the round blade is configured to move along the longitudinal direction with respect to the fixed blade.

[0004] In this prior art, a circular blade sandwiches one edge portion of the recording paper between the recording paper and the stationary blade substantially in the paper width direction along the blade of the stationary blade. The cutter mechanism cuts the recording paper in the paper width direction by cross-sliding toward the other edge of the recording paper in a state where the blade of the round blade is in point contact with the blade of the fixed blade. It has become.

[0005]

However, such a conventional cutter mechanism has the following problems.

That is, when the recording paper is fed after the recording paper is cut by the cutter mechanism, the recording paper comes off the paper path due to, for example, winding of the recording paper, and the leading end of the recording paper is removed. There was a possibility that the paper could not be sent to the paper exit.

Further, when the recording paper is cut by the cutter mechanism, the recording paper separates from the blade of the fixed blade due to the above-mentioned winding and the like. Between the fixed blade and the round blade.
There was a possibility that the one edge portion of the recording paper could not be moved.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and can reliably feed recording paper to a position where a fixed blade member and a movable blade member can be cut. It is another object of the present invention to provide a cutter mechanism that can secure a favorable state of cutting a recording sheet between a fixed blade member and a movable blade member.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an elongated fixed blade member having a blade portion directed toward a recording paper fed along a paper path; A movable blade member configured to be movable in the longitudinal direction of the fixed blade member while sandwiching the paper path, and cutting the recording paper by cross-sliding the blade portion with respect to the blade portion of the fixed blade member; It is arranged on the side facing the fixed blade member across the paper path,
A paper guide portion for feeding the recording paper along the paper path, wherein the paper guide portion is located at a first position separated from the blade portion of the fixed blade by a predetermined distance and is close to the blade portion of the fixed blade member; A paper guide member configured to be movable between the second position and the second position.

In the case of the present invention, when the recording paper is fed to the fixed blade member, the paper guide of the paper guide member is moved to the first position. Then, if the interval between the paper guide portion and the blade portion of the fixed blade member is set to an interval in which the leading end of the recording paper can be inserted therebetween, the recording paper is taken up from the blade portion of the fixed blade member for reasons such as winding up. Even if the recording paper is sent away, the recording paper can be reliably fed to a position where the fixed blade member and the movable blade member can be cut by guiding the leading end of the recording paper by the paper guide portion.

When the recording paper is cut by the cutter mechanism, the paper guide of the paper guide member is moved to the first position. If the interval between the paper guide portion and the blade portion of the fixed blade member is set to, for example, the paper thickness, the paper guide portion can guide the recording paper in the paper width direction along the blade portion of the fixed blade member. . Therefore, since the blade portion of the movable blade member can stick to almost the contact point between the one edge portion of the recording paper and the blade portion of the fixed blade member, it is possible to reliably start cutting the recording paper. In addition to this, it is possible to reliably cut the recording paper along the blade portion of the fixed blade member.

Therefore, according to the present invention, by using only one paper guide member, the recording paper can be reliably fed by separately using the paper feeding and the paper cutting. Can be satisfactorily cut.

Further, in the present invention, the movable blade member is provided with a guide member for disposing the paper guide portion of the paper guide member at the first position or the second position with the movement of the movable blade member. It is also effective that the paper guide member is automatically arranged at the first position and the second position by the guide member.

Further, in the present invention, the paper guide member is
The paper guide section is configured to move to the first position in conjunction with the movement of the movable blade member to a position deviating from the width of the recording paper, and the position where the movable blade member fits within the width of the recording paper. It is also effective that the paper guide section is configured to move to the second position in conjunction with the movement to the second position.

According to the present invention, the paper guide member is moved to the first position in the case of paper feeding by the guide member.
In the case of paper cutting, the paper guide member is moved to the second position, so that the paper guide member can be automatically used for paper feeding and paper cutting.

Further, in the present invention, the movable blade member has a circular blade formed in a circular shape, and the blade portion of the round blade approaches the blade portion of the fixed blade member as the movable blade member moves. It is also effective that the round blade is configured to rotate in the direction.

According to the present invention, since the round blade is rotated, the blade of the round blade can be more securely attached to the blade of the fixed blade member together with one edge portion of the recording paper.
On the other hand, according to the present invention, there is provided a printing mechanism for performing printing on recording paper drawn out from roll paper along a paper path, and a printing mechanism disposed downstream of the paper path of the printing mechanism. 1
A printer characterized by comprising the cutter mechanism described in (1).

According to the present invention, it is possible to obtain a printer that can reliably cut recording paper.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a cutter mechanism according to the present invention and a printer having the same will be described in detail with reference to the drawings.

FIG. 1 is a schematic side view showing a schematic configuration of a main part of a printer according to the present embodiment. FIG. 2 is a plan view showing a schematic configuration of the cutter mechanism of the present embodiment. FIG.
FIG. 2 is a front view showing a schematic configuration of the cutter mechanism and a paper guide mechanism. FIG. 4 is a perspective view showing a schematic configuration of main components of a movable blade member of the cutter mechanism.

FIG. 5A is a side view showing a schematic configuration of the cutter mechanism and the paper guide mechanism, and a state in which the paper guide portion of the paper guide mechanism is separated from the fixed blade, and FIG.
FIG. 4 is a side view showing a schematic configuration of the cutter mechanism and the paper guide mechanism, and a state in which a paper guide portion of the paper guide mechanism approaches a fixed blade.

FIG. 6A is a plan view showing a state where the paper guide portion of the present embodiment is separated from the fixed blade.
(B) is a top view showing the state where the paper guide part approached the fixed blade.

As shown in FIG. 1, the printer 1 according to the present embodiment prints on a recording paper S drawn out along a paper path P from a roll paper R stored in a roll paper storage unit 4. The printing apparatus includes a printing mechanism 10 and a cutter mechanism 20 for cutting the printed recording paper S.

The printer 1 has a main body frame 2 made of, for example, metal, and the main body frame 2 is provided with the above-described roll paper accommodating section 4. The body frame 2 is provided with a cover frame 3 that can approach or separate from the paper path P so as to be openable and closable.

On the front side of the main body frame 2 (upper left of FIG. 1)
The section is provided with a paper guide frame 5 having a substantially U-shaped cross section. When the paper guide frame 5 and the locking lever 6 provided on the cover frame 3 are engaged,
The cover frame 3 is locked to the main body frame 2.

The printing mechanism 10 includes a printing head 11 for printing by an ink jet system, and a printing head 11
And a platen roller 12 that is disposed to face the paper path P therebetween. The print head 11 is disposed on the front side of the main body frame 2. A paper pressing roller 8 for pressing the recording paper S against the platen roller 12 is provided in a portion of the paper guide frame 5 adjacent to the paper path P.
Are provided rotatably.

On the other hand, the platen roller 12 is provided rotatably on the front end side (the side toward the paper path P) of the cover frame 3. When the cover frame 3 is closed, the platen roller 12 moves in the horizontal direction (the left-right direction in FIG. 1), is arranged to face the print head 11, and comes into pressure contact with the paper pressing roller 8. It is configured.

Also, as shown in FIG.
Is provided with a drive mechanism 13 for driving the platen roller 12 to rotate. In the drive mechanism 13, a drive motor 14 is
The rotational driving force of the driving motor 14 is transmitted from the motor gear 15 via the reduction gears 16 and 17 to the intermediate gear 1.
8.

A platen gear 19 is fixed to one end of the platen roller 12, and the platen gear 19 meshes with the intermediate gear 18 with the cover frame 3 closed, thereby driving the platen roller 12 to rotate in a predetermined direction. It is configured to be.

As shown in FIG. 1 or FIG. 2, the cutter mechanism 20 includes a fixed blade (fixed blade member) 21 and a movable blade unit 22.

The fixed blade 21 is formed in a long shape using, for example, a metal material, and is fixed to an upper portion of the paper guide frame 5. As shown in FIG. 2, the fixed blade 21 has a blade portion 21.
a is directed to the paper path P so as to be along the paper width direction (the left-right direction in FIG. 2) indicated by the arrow A or B.

The movable blade unit 22 includes a movable blade portion (movable blade member) 31 described later and a cutter driving portion 51 for driving the movable blade portion 31.

As shown in FIG. 1 or FIG.
Is disposed on the front end side of the cover frame 3 (on the side close to the paper path P). On the other hand, the cutter driving section 51 is disposed on the rear end side of the movable blade section 31 of the cover frame 3.

As shown in FIG. 2, the cutter driving section 51 is provided with a cutter motor 52, and the rotational driving force of the cutter motor 52 causes a conversion gear 54 for converting the rotation direction from the cutter motor gear 53 to be rotated. It is configured to be transmitted to the cutter intermediate gear 55 through the intermediate gear 55.

The cutter intermediate gear 55 on the left side (hereinafter referred to as "paper width direction A side") in the paper width direction shown in FIG.
A drive gear 56 composed of a transmission gear portion 56a and a pulley portion 56b on a concentric axis thereof is rotatably provided at a portion close to. On the other hand, a driven pulley 57 is rotatably provided at the right side in the paper width direction (hereinafter, referred to as “paper width direction B side”). An endless drive belt 58 is wound around the pulley portion 56b of the drive gear 56 and the driven pulley 57 so as to be parallel to the paper width direction A or B. And the cutter driving unit 5
In 1, the transmission gear portion 56a of the drive gear 56 meshes with the cutter intermediate gear 55 to rotate the drive belt 58.

In a portion adjacent to the drive belt 58,
The main guide shaft 71 and the slave guide shaft 72 are
Are provided so as to extend in the paper width direction A or B with the. The main guide shaft 71 is arranged on the paper path P side,
The secondary guide shaft 72 is arranged on the side close to the cutter motor 52 in parallel with the primary guide shaft 71.

In the case of this embodiment, the movable blade 3
1 is configured to be reciprocally movable in the paper width direction A or B by being locked to the drive belt 58 while being guided by the main guide shaft 71 and the sub guide shaft 72.

Here, as shown in FIG.
Has a carriage body 32 made of, for example, resin. Bearing portions 32a that can be fitted to the main guide shaft 71 are formed on both side surfaces on the front side (the side toward the paper path P) of the carriage main body 32, while, on the rear side of the carriage main body 32, Shaft contact part 3 that can contact slave guide shaft 72
2b is formed. Then, the carriage body 32
The bearing portion 32a is penetrated by the main guide shaft 71, and
The shaft contact portion 32b is supported by the main guide shaft 71 and the sub guide shaft 72 by abutting on the sub guide shaft 72.

As shown in FIG. 2, a drive shaft 33 fixed to a drive belt 58 has an elongated hole 32g movable in a direction orthogonal to the paper width direction A or B in the carriage body 32.
Is provided.

The drive shaft 33 moves along the circumference in the vicinity of the drive gear 56 or the driven pulley 57 where the drive belt 58 is inverted, but is orthogonal to the paper width direction A or B in the elongated hole 32g of the carriage body 32. In the driving belt 58, the belt portion 58a on the main guide shaft 71 side and the belt portion 58b on the sub guide shaft 72 side alternately in the paper width direction A.
Alternatively, the carriage main body 32 is configured to be pressed against B. As a result, the carriage main body 32 moves in the paper width direction A or B
Reciprocating.

A position detector 73 for detecting the position of the carriage main body 32 and a position detector 7 near the end of the follower guide shaft 72 and corresponding to the outside of the width of the recording paper S.
4 are provided. The position detector 73 is in the paper width direction A.
On the other hand, the position detector 74 is disposed on the paper width direction B side. And the position detectors 73 and 74
For example, the carriage body 3 is configured using a photoelectric sensor.
2 to be detected 32c, 32d formed at a portion on the rear side of 2
Are respectively detected.

On the other hand, as shown in FIG. 4, an opening 32e for accommodating the round blade assembly 40 is formed on the front side of the carriage body 32. The round blade assembly 40 is rotatably supported by the carriage main body 32 by being penetrated by the round blade shaft 44 at the opening 32e of the carriage main body 32. The round blade shaft 44 is locked at one end thereof to the carriage body 32 by an E-shaped retaining ring 45.

Here, the round blade assembly 40 includes a round blade set 41 having a blade formed in a circular shape using metal.
And a round blade support member 4 formed into a cylindrical shape using resin
And a fitting portion 41a fixed to one side surface of the round blade set 41 is fitted to the round blade supporting member 42 through the compression coil spring 43 with a margin so as to be integrated. ing. The round blade set 41 is pressed against the lower surface inside the opening 32e of the carriage body 32 along the round blade shaft 44 by the compression coil spring 43.

Further, as shown in FIG.
Is disposed so as to face the fixed blade 21 on the main body frame 2 side with a part thereof protruding from the opening 32e of the carriage main body 32.

As shown in FIG. 2 or FIG. 4, a gear portion 42a is formed above the round blade support member 42. Also, a support shaft 32f formed on the upper part of the carriage body 32
The pinion 34 (see FIG. 2) is rotatably supported so as to mesh with the gear portion 42 a of the round blade support member 42. On the other hand, as shown in FIG. 2, a rack 75 for rotating the round blade assembly 40 is provided near the main guide shaft 71.
Are provided so as to mesh with the pinion 34. The round blade assembly 40 rotates with the movement of the carriage body 32 in the paper width direction A or B.

As shown in FIG. 1, a paper guide mechanism (paper guide member) 7 is provided near the movable blade portion 31 of the cover frame 3.
0 is disposed so as to cover substantially the entire paper path P side of the round blade assembly 40 of the movable blade portion 31. The paper guide plate 7 is disposed opposite to the paper guide mechanism 70 with the paper path P interposed therebetween at a position adjacent to the fixed blade 21 of the main body frame 2.

As shown in FIG. 3 or FIGS. 5 (a) and 5 (b),
The paper guide mechanism 70 has a paper guide member 71 made of, for example, a stainless steel plate. This paper guide member 71
Is configured to rotate around the support shaft 72 while being urged by a torsion coil spring (not shown) in a direction (arrow C direction) away from the fixed blade 21.

The paper guide member 71 has a base 71a having substantially the same length as the width of the recording paper S and extending in the paper width direction A or B and having a substantially L-shaped cross section. At both ends of the base 71a, an arm 71b is provided.
It is formed in a direction orthogonal to 1a. The paper guide member 71 is supported by the cover frame 3 when both of the arms 71b pass through the support shaft 72.

The side of the base 71a of the paper guide member 71 which is closer to the round blade assembly 40 has a base 71a.
Is slightly bent outward (toward the fixed blade 21) to form a paper guide portion (paper guide portion) 71c.
The leading end 71d of the paper guide portion 71c is arranged at a position close to the round blade 41 and the fixed blade 21 of the round blade assembly 40.

As shown in FIG. 3 or FIGS. 6A and 6B, both ends of the paper guide 71c are connected to the arms 71b.
From the paper guide portion 71c and bend at a predetermined angle from the paper guide portion 71c so that the projecting cam portion 71e
Are formed.

On the other hand, as shown in FIG. 2 or FIGS. 6A and 6B, a substantially wing-shaped first contact portion (guide portion) 36 is provided on both side surfaces of the carriage body 32 of the movable blade portion 31. It is formed to extend in the paper width direction A or B. The first contact portion 36 is located inside the paper guide portion 71c (the round blade assembly 4).
0) and the protruding cam portion 71e of the paper guide portion 71c.

As shown in FIG. 3 or FIG. 4, the round blade support member 42 of the round blade assembly 40 is formed with a second contact portion (guide portion) 42b having a circular brim shape. The second contact portion 42b is arranged at a position substantially at the same height as the first contact portion 36 and slightly protrudes from the first contact portion 36 toward the paper path P.

Then, as shown in FIG. 3 or FIG. 6 (a), when the round blade assembly 40 is disposed outside the paper guide member 71, the first contact portion between the paper guide portion 71c and the carriage body 32. 36 is brought into contact with FIG.
As shown in (a), the leading end 71d of the paper guide 71c.
Are arranged at a distance (hereinafter, referred to as “paper feed position”) away from the blade portion 21 a of the fixed blade 21 with an interval at which the recording paper S can be inserted between the blade portion 21 a of the fixed blade 21. Has become.

As shown in FIG. 6B, when the round blade assembly 40 is disposed inside the paper guide member 71, the paper guide portion 71c and the second contact portion 42b of the round blade assembly 40 come into contact with each other. 5A, the leading end 71d of the paper guide 71c is fixed to the fixed blade 2 as shown in FIG. 5B.
A gap of approximately paper thickness (for example, 0.1 to 0.2)
mm) (hereinafter referred to as “paper cutting position”).

When printing is performed by the printer 1 according to the present embodiment having the above configuration, the cutter mechanism 20 is used.
The movable blade portion 31 is disposed on one side outside the paper guide member 71, for example, on the paper width direction B side shown in FIG. The paper guide member 71 is provided with a paper guide portion 71c.
In a state in which the first contact portion 36 of the carriage main body 32 is in contact with the carriage main body 32, as shown in FIG.

Then, printing is performed on the recording paper S by driving the print head 11 based on predetermined print information while rotating the platen roller 12 to feed the recording paper S along the paper path P.

When the leading end of the recording paper S cut by the previous cutting operation is sent out along with this printing operation, the paper guide unit 7
The paper path P is advanced along 1c.

In the present embodiment, the leading end of the recording paper S is fixed to the blade 2
Even when the recording paper S is fed to the side distant from 1a, the leading end of the recording paper S is scooped by the leading end 71d of the paper guide 71c and guided along the paper guide 71c.

Thus, the fixed blade 21 and the paper feed member 7
When the recording paper S sent during the period 1 is cut, the movable blade 31 is moved in the paper width direction A by driving the cutter motor 52 to rotate the driving belt 58 as shown in FIG. Let it. With the movement of the movable blade 31, the pinion 34 rotates while meshing with the rack 75, and the gear 42a of the round blade assembly 40
It rotates while meshing with 4.

As a result, the round blade set 41 is
The blade moves in the paper width direction A in a state of contact with the fixed blade 21 and rotates in a direction in which the blade approaches the blade 21a of the fixed blade 21 (the direction of the arrow shown in FIG. 2).

On the other hand, the movement of the movable blade 31 causes
2A, the second contact portion 42 of the round blade assembly 40
b first comes into contact with the protruding cam portion 71e of the paper guide portion 71c. Next, the second contact portion 42 of the round blade assembly 40
b moves from above the protruding cam portion 71e of the paper guide portion 71c to above the paper guide portion 71c, thereby rotating the paper guide member 71 in the direction of the arrow D, and causing the paper guide portion 71c to rotate.
Is brought closer to the blade portion 21a of the fixed blade 21 (see FIG. 5B, the paper cutting position).

The recording paper S is guided toward the blade 21a of the fixed blade 21 as the paper guide 71c approaches, so that the recording paper S along the blade 21a of the fixed blade 21 in the paper width direction. Put in the state.

The blade portion of the round blade set 41 is moved between the edge portion of the recording paper S in the direction of the paper path P and the blade portion 21a of the fixed blade 21.
The cutting edge of the round blade set 41 and the blade 21a of the fixed blade 21 together with the edge portion of the recording paper S start cutting the recording paper S. The second contact portion 42b of the paper guide portion 71
The paper guide member 71 is held at the above-mentioned paper cutting position by moving on the sheet c in the paper width direction A (see FIG. 6B). As a result, the recording paper S in the paper width direction is kept along the blade 21a of the fixed blade 21. For the recording paper S in such a state, the round blade set 4 makes a point with the blade 21a of the fixed blade 21. The recording paper S is cut in the paper width direction by cross-sliding while contacting.

When the movable blade 31 has moved to the vicinity of the paper width direction A after the cutting, the second contact portion 42b of the round blade assembly 40 moves from the paper guide 71c to the projecting cam 71e. Then, the first contact portion 36 of the carriage body 32 contacts the paper guide portion 71c (see FIG. 6A). Thus, the paper guide member 71 is rotated in the direction of arrow C to be disposed at the paper feed position (see FIG. 5A).

On the other hand, based on the information that the position detector 73 has detected the detected part 32c of the movable blade part 31, the cutter motor 5
2 to stop the movable blade 32 in the paper width direction A.
On the side.

As described above, according to the present embodiment,
The paper guide member 71 is selectively used in the case of paper feeding and the case of paper cutting, and is moved to the paper feeding position and the paper cutting position. The recording paper S can be fed and the recording paper S can be kept in a favorable state where the round blade set 41 and the fixed blade 21 are cut.

In particular, the recording paper S is provided with the blade portion 21 of the fixed blade 21.
a, the recording paper S is moved by the paper guide member 71 into the blade portion 21 of the fixed blade 21.
Thus, the round blade set 41 can be pressed down by pressing the recording paper S, so that the cutting of the recording paper S can be reliably started.

According to the present embodiment, the movable blade 3
When 1 is arranged outside the width of the recording paper S, the first abutting portion 36 causes the paper guide member 71 to be arranged at the paper feeding position, and the movable blade 31 is arranged within the width of the recording paper S. In such a case, since the paper guide member 71 is arranged at the above-described paper cutting position by the second contact portion 42b, the paper guide member 71 is automatically switched between when the paper is fed and when the paper is cut. You can use them properly.

It should be noted that the present invention is not limited to the above-described embodiment, and various changes can be made.

For example, in the above embodiment, the peripheral speed of the round blade set 41 is not particularly described, but the peripheral speed of the round blade set 41 is higher than the moving speed of the movable blade portion 31 in the paper width direction A or B. If it is set to a value (for example, about twice), the blade portion of the round blade set 41 can more effectively make the recording paper S
There is an advantage that it is difficult.

Further, in the above embodiment, the ink jet system is used for the print head 11, but for example, a thermal system or a dot impact system may be applied.

However, if a method of performing printing without contacting recording paper, such as an ink jet method, is applied to the present invention,
Since the generation of paper dust is small, it is advantageous in that the influence of the cutter operation such as clogging of nozzles is small.

[0073]

As described above, according to the present invention, the recording paper can be reliably sent to a position where the fixed blade member and the movable blade member can be cut, and the fixed blade member and the movable blade member can be moved. It is possible to obtain a cutter mechanism that can secure a favorable state of cutting the recording paper between the two.

[Brief description of the drawings]

FIG. 1 is a schematic side view illustrating a schematic configuration of a main part of a printer according to an embodiment.

FIG. 2 is a plan view illustrating a schematic configuration of a cutter mechanism according to the present embodiment.

FIG. 3 is a front view showing a schematic configuration of the cutter mechanism and a paper guide mechanism.

FIG. 4 is a perspective view showing a schematic configuration of main components of a movable blade member of the cutter mechanism.

FIG. 5A is a side view showing a schematic configuration of the cutter mechanism and the paper guide mechanism, and a state in which a paper guide portion of the paper guide mechanism is separated from a fixed blade. FIG. 3B is a side view illustrating a schematic configuration of the cutter mechanism and the paper guide mechanism, and a state where the paper guide portion of the paper guide mechanism approaches the fixed blade.

FIG. 6A is a plan view showing a state where the paper guide unit of the present embodiment is separated from the fixed blade. (B): It is a top view showing the state where the paper guide part approached the fixed blade.

[Explanation of symbols]

 Reference Signs List 10 printing mechanism section 21 fixed blade (fixed blade member) 31 movable blade section (movable blade member) 36 first contact section (guide section) 41 round blade set 42b second contact section (guide section) 70 paper guide mechanism ( Paper guide member) 71c Paper guide (paper guide) P paper path R roll paper S recording paper

Continued on front page F term (reference) 2C058 AB16 AC07 AD01 AD05 AE04 AE09 AF31 AF36 AF45 AF47 AF51 LA03 LA18 LA38 LB10 LB17 LB24 LB36 LC11 LC18 3C027 RR09 SS02 SS03 SS06 SS08

Claims (5)

[Claims] An elongated fixed blade member having a blade portion directed toward a recording sheet fed along a paper path; and a longitudinally moving fixed blade member sandwiching the paper path. A movable blade member configured to be capable of cutting the recording paper by cross-sliding the blade portion with respect to the blade portion of the fixed blade member, and facing the fixed blade member across the paper path. A paper guide portion for feeding the recording paper along the paper path, wherein the paper guide portion is separated from a blade portion of the fixed blade by a predetermined distance and a first position. A paper guide member configured to be movable between a second position close to the blade portion of the fixed blade member and a paper guide member. 2. The movable blade member is provided with a guide member for disposing a paper guide portion of the paper guide member at the first position or the second position with movement of the movable blade member. The cutter mechanism according to claim 1, wherein 3. The paper guide member is configured such that the paper guide moves to the first position in conjunction with the movement of the movable blade member to a position outside the width of the recording paper. The paper guide unit is configured to move to the second position in conjunction with movement of the movable blade member to a position within the width of the recording paper. 2. The cutter mechanism according to 2. 4. The movable blade member has a circular blade formed in a circular shape, and the direction in which the blade portion of the round blade approaches the blade portion of the fixed blade member with movement of the movable blade member. The cutter device according to any one of claims 1 to 3, wherein the round blade is configured to rotate. 5. A printing mechanism for printing on recording paper drawn from a roll paper along a paper path, and a printing mechanism disposed downstream of the paper path of the printing mechanism. A printer comprising the cutter mechanism according to claim 1.