JP3043904B2 - Recording device - Google Patents

Abstract

PURPOSE:To achieve the miniaturization of an ink jet recording apparatus and to enhance the reliability thereof by giving operation force at the time of the attachment and detachment of a head cartridge without upsizing the apparatus by providing a carrier rib. CONSTITUTION:The tank case in a carrier 303 is moved in such a state that the projection of the case is engaged with the side end surface of the recording head 200 of an ink tank and a recording head 200 and the ink tank are moved in an integrated state. Since a positioning pin 225 is disengaged from the hole of the recording head 200 by this constitution, the recording head 200 and the ink tank can be integrally moved to be taken out of the carrier. At this time, the head tab attached to the recording head 200 is picked to be reaised up to easily take out the whole of a head cartridge.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a record apparatus.

[0002]

2. Description of the Related Art Conventionally, a carrier in which a head cartridge of an ink jet recording apparatus is removably mounted is supported by a lead screw for moving the carriage, and a guide rail and a sliding portion of the carrier. Further, since the mounting and dismounting of the head cartridge is performed on the carrier, the operating force applied to the carrier by the operator at that time is configured to be supported by the bearing of the lead screw and the sliding portion of the carrier.

[0003]

For this reason, in the above-mentioned conventional example, the sliding portion cannot be provided with an excessively large size from the viewpoint of miniaturization, and rigidity is insufficient to support the operating force. There were challenges.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. By providing a carrier rib, the operating force at the time of mounting / removing a head cartridge can be supported without increasing the size of the apparatus, and the size and reliability can be reduced. It is an object of the present invention to provide an ink jet recording apparatus capable of obtaining the property.

[0005]

In order to achieve the object of the present onset to solve the above problems
Ming is equipped with a print head cartridge that can be
Between the carrier to move and the moving range of the carrier.
A sliding surface for slidingly supporting the carrier;
Guide means for guiding the carrier,
A sliding means for sliding in contact with the sliding surface.
In the apparatus, the carrier is arranged on the carrier so as to face the sliding surface.
And the recording head cartridge is
When attaching and detaching, the sliding means is pushed to the guide means.
When a force exceeding a predetermined value is applied to the guide,
Having support means for supporting the carrier in contact with the means
It is characterized by that.

[0006]

[0007]

[0008]

[0009]

[Function] During normal operation, the carrier slides the guide means.
To the guide means by the sliding means of the carrier in contact with the surface
Supported, and removable recording cartridge from carrier
When pressing the sliding means against the guide means
When the above force acts, the carrier slides on the guide means.
The support means of the carrier facing the surface abuts the guide means
Thus, it is supported by the guide means. This allows
During normal recording operation, the carrier can be
Support the guide means to reduce the sliding resistance of the carrier.
If the force exceeds a certain level, the support means
Therefore, the carrier is supported by the guide means.

[0010]

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective view showing an ink jet recording apparatus according to an embodiment.

In FIG. 1, a carrier 203 has a recording head 200 and an ink tank 201 which constitute recording means.
And a head cartridge 202 to which the head cartridge 202 is connected. One end of the carrier 203 on the recording head 200 side is fitted to a lead screw 213 rotatably attached to the chassis 1 so as to be slidable in the axial direction. Is arranged,
The guide is slidably fitted in a guide rail 2 formed in the chassis 1 in parallel with the axial direction of the lead screw 213. The carrier 203 is configured to be able to reciprocate in the axial direction with the rotation of the lead screw 213 while the posture is always kept constant.

That is, the lead screw 213
As shown in the figure, a lead screw gear 257 fixed to the left end of the screw and a pinion gear 256 fixed to the output shaft of the carrier motor 255 mesh with each other, and are formed spirally at a predetermined pitch on the lead screw 213. The lead pin 209 (FIG. 5) attached to the carrier 203 is fitted into the guided guide 268 (FIG. 4). Accordingly, when the lead screw 213 rotates in accordance with the forward and reverse rotation driving of the carrier motor 255, the carrier 203 is rotated.
Reciprocates. The details of the scanning of the carrier 203 will be described later.

A flexible cable 211 transmits a print signal from an electric circuit to be described later to the recording head 200, and is positioned and held on the pinch roller frame 11 by the flexible cable holder 16.

The recording head 200 is driven in synchronization with the reciprocating movement of the carrier 203 to eject ink in accordance with a recording signal, thereby performing one-line recording on the recording material 3. That is, the recording head 200 is used for ejecting a liquid by acting on a fine liquid discharge port (orifice), a liquid path, and an energy action section provided in a part of the liquid path, and acting on the liquid in the action section. Energy generating means for generating energy to be generated.

A recording method using a piezo element or the like as an energy generating means for generating such energy, a recording method of irradiating an electromagnetic wave such as a laser to generate heat, and discharging a liquid by the action of the heat, or a heating resistor There is a recording method using an energy generating means for discharging the liquid by heating the liquid with an electrothermal converter such as a heating element having the above.

Among them, a recording head used in an ink jet recording method for discharging a liquid by thermal energy can arrange liquid discharge ports for discharging a recording liquid to form droplets at a high density. High-resolution recording. Among them, a recording head using an electrothermal transducer as an energy generating means,
It is easy to make compact, and it can make full use of the advantages of IC technology and micro-machining technology, which have made remarkable progress in technology and recent improvements in the semiconductor field, making high-density mounting easy and reducing manufacturing costs. This is advantageous because it is inexpensive.

When one-line recording is performed by scanning the carrier 203, the recording material 3 is conveyed by one line by the conveying means and the next line is recorded.
Is carried out by a rotating pair of a conveying roller 4 and a pinch roller 8 that presses against the conveying roller 4 and a rotating pair of a discharge roller 7 and a spur 6 that contacts the conveying roller 4.

More specifically, the recording material 3 whose recording surface is opposed to the discharge port surface of the recording head 200 is
The sheet is conveyed to a recording position as needed by being pressed against the conveyance roller 4 by a pinch roller 8 and appropriately rotating the conveyance roller 4 by a paper feed motor 5. After recording, the recording material 3 is pressed against the discharge roller 7 by the spur 6, and the discharge roller 7 rotates to discharge and convey the recording material 3 out of the apparatus.

The transport roller 4 and the discharge roller are driven by a paper feed motor 5, and the driving force is transmitted by a reduction gear train 15.

The position of the rotation axis of the spur 6 that contacts the recording surface of the recording material 3 is fixed, and the contact position between the spur 6 and the recording material 3 changes regardless of the thickness of the recording material 3. On the other hand, the discharge roller 7 that contacts the non-recording surface side of the recording material 3 responds to a change in the thickness of the recording material 3 due to the deformation of the discharge roller 7 due to the thickness of the recording material 3. It has become. Specifically, the discharge roller 7 is made of thin rubber,
It is formed in a conical shape and deforms with a restoring force in the radial direction.
Therefore, deformation is performed according to the pressing force against the spur 6 and the thickness of the recording material 3.

The same effect can be obtained by forming the discharge roller 7 from a material having a large elastic deformation, such as a porous sponge or a material such as a resin or rubber having a very low hardness.

Further, the entire discharge roller 7 may be pressed against the spur 6 by a spring or the like.

Therefore, regardless of the thickness of the recording material 3, the distance between the recording head 200 and the recording material 3 can be maintained at a predetermined value, and stable conveyance can be performed.

Reference numeral 14 denotes a paper sensor, and the recording material 3
Is detected.

Next, the structure of pressing the pinch roller 8, which is a driven rotary member, that presses the recording material 3 against the discharge roller 4, which is a driving rotary member, will be described.

In FIG. 2, the pinch roller 8 has a mold bearing fitted at both ends thereof, and the end of a pinch roller spring 9 as a spring member is bent into the pinch roller 8 and is supported. The pinch roller spring 9
Is the pinch roller holder 10 on the pinch roller frame 11
Are supported so as to be rotatable around a shaft portion 9a shown in the drawing. Also, the shaft 9 of the pinch roller spring 9
“a” is bent at the center in a U-shape to form a lever portion 9b.

The operation means for changing the pressing force of the pinch roller 8 by the pinch roller spring 9 includes a release angle 12 slidable on a pinch roller frame 11.
By operating this angle and pushing up the pinch roller spring 9, a twist is generated in the shaft portion 9a,
The pinch roller 8 is pressed against the transport roller 4 by the repulsive force. Further, the pressing force is released by eliminating the twist.

That is, in the state of FIG. 3, the cam portion 12a provided on the release angle 12
When b is pressed, the shaft portion is twisted (elastic deformation), and the pinch roller 8 is pressed against the transport roller 4.
On the other hand, when the release angle 12 is slid in the direction of the arrow in FIG. 3, the state shown in FIG. 2 is obtained. The pressing force of the pinch roller 8 against the transport roller 4 decreases.

Thus, the jammed recording material 3 can be easily pulled out even if the pinch roller 8 is not completely separated from the transport roller 4. The release angle 1
2 is slid left and right by rotating the release lever 13. The release lever 13 is pivotally supported by the pinch roller frame and has a long hole on the side opposite to the lever with respect to the rotation axis.
Contains 2 handles. Then, by rotating the release lever 13, the release angle 12 moves in parallel.

FIG. 4 is a view showing a lead screw mechanism for feeding the carrier 203 to the recording material 3.
Only the members necessary for the function are shown.

In the lead screw 213 slidably fitted to the carrier bearing A 228 and the carrier bearing B 229 provided on the carrier 203, the right end of the lead screw 213 is connected to the chassis 1 via an adjustment spring 250.
Rotatably coupled to the

The left end is rotatably connected to a recovery plate 271 via a bearing 251. Carrier 203
A guide portion (not shown) is slidably engaged with the guide rail 2 to prevent rotation of the carrier 203 and guide it.

A plurality of guides 268 are formed on the lead screw 213, and one of the guides 268 is slidably engaged with the lead 209, and the carrier 203 is attached to the lead screw 213 parallel to the axial direction of the lead screw 213. Drive in the B direction.

FIG. 5 is an enlarged sectional view of the carrier bearing A 228 in FIG. The lead pin 209 is a pin whose one end is processed into a spherical shape, and is slidably fitted between a carrier bearing A 228 and a carrier bearing B 229 in a hole formed in the body of the carrier 203 in a direction perpendicular to the axial direction of the lead screw 213. The spherical portion is slidably engaged with the lead screw 213, and is urged in the direction of the lead screw 213 by a lead pin spring 210 provided detachably from the other end of the carrier 203 main body.

A stopper 269 for restricting the operating range of the lead pin 209 is formed above the lead pin spring 210 in the sliding direction of the lead pin 209 in order to prevent the lead pin 209 from coming off the guide strip 268.

FIG. 6 is an enlarged view of a lead screw end portion. Recording head 200 on carrier 203 and recording material 3
Is determined by the distance of the lead screw 213 supporting the carrier 203 from the recording material 3, and the left end of the lead screw 213 is determined by the recovery plate 271. The right end of the lead screw 213 is determined based on the left end. A first elongated hole 252 perpendicular to the recording material 3 is formed in the chassis 1 so that can be adjusted to be parallel to the recording material 3.

The adjustment spring 250 is parallel to the recording material 3 with the adjustment spring 250 attached to the chassis 1, and regulates the right end of the lead screw 213 in the vertical direction with respect to the recording material 3. Two long holes 253 are formed.

The right end of the lead screw 213 is supported by a first slot 252 and a second slot 253,
The lead screw 213 is adjusted to be parallel to the recording material 3 by moving the adjustment spring 250 where the 53 is formed perpendicular to the recording material 3 (in the direction of the arrow in the figure).

The adjustment spring 250 has a lead screw 21
(3) A spring 250a for urging the right end toward the left end is also integrally formed. The adjustment spring 250 is fixed to the chassis 1 with a screw 254.

FIG. 7 shows the left end of the lead screw 213 where a clutch mechanism for transmitting the driving force of the carrier motor 255 to the recovery system via the lead screw 213 is formed.

A carrier motor 255 is connected to the recovery system plate 271. A pinion gear 256 (FIG. 1) is fixed to the shaft of the carrier motor 255 and meshes with a lead screw gear 257 fixed to the lead screw 213, and the forward / reverse rotation of the carrier motor 255 causes the lead screw 213 to rotate forward / reverse. Then, the lead pin 209 slidably in contact with the guide strip 268 of the lead screw 213 moves the carrier 203 along the guide strip 268. Recovery system plate 271
Has a control gear 102 incorporated therein.

At the left end of the lead screw 213, an initial lock 258, a clutch plate 260, a clutch gear 259, and a return spring 261 are provided.

The initial lock 258 is fixed to the lead screw 213. The clutch gear 259 is engaged with the lead screw 213 slidably in the axial direction, and a part of the clutch gear 259 enters the inside of the initial lock 258.

That is, two protrusions 262 are formed on the clutch gear 259 at circumferentially asymmetrical positions, and these protrusions 262 can move only in the axial direction to the concave portion 263 formed on the initial lock 258 in the same phase as the protrusion 262. I have to fit.

A flange 267 is provided on the end surface of the clutch gear 259 on the lead screw gear 257 side.
Trigger teeth 259a for giving a rotation trigger to the control gear 102 are formed on 67.

The control gear 102 has a gear formed on the outer periphery. When the lead screw 213 is incorporated into the recovery system plate 271, the lead screw 21
3 is in a position where it meshes with the clutch gear 259 on the upper side. However, during the recording operation, the control gear 102 is such that a part of the outer gear is cut off and faces the clutch gear 259, and the control gear 102 is
There is no mesh with.

On the side surface of the notched portion of the gear, a side gear 102h having several teeth is formed. The side gear 102h is operated by a clutch gear 259 by an operation described later.
Of the control gear 10
2 is given a rotation trigger.

Initial lock 258 and clutch gear 2
Between them, the clutch plate 260 is inserted. Further, a lead screw gear 257 is fixed to the lead screw 213. The return spring 261 is located between the clutch gear 259 and the lead screw gear 257, and always keeps the clutch gear 259 in the initial lock 2 position.
It is pushed to 58 side.

An idling groove 264 having the same shape as that of the lead screw 213 is formed on the periphery of the initial lock 258, and is connected to only the lead for guiding the lead pin 209 by the communication groove 265.

When the carrier motor 255 is rotated forward, the carrier 203 moves in the direction of arrow A in FIG.

The recovery system plate 271 has an HP sensor 2
70 (FIG. 1) is attached, and the carrier motor 255
The carrier 203 is scanned by the rotation of
By detecting the point at which the shielding plate 230 (FIG. 1) formed through the HP sensor passes, the reference point can be used as a reference point for a recording operation and a recovery operation described later.

FIG. 8 is a diagram for explaining the operation of the clutch mechanism for transmitting the driving force of the carrier motor 255 to the recovery system.

When the carrier motor 255 is rotated in the reverse direction from the state shown in FIG. 8A, the lead pin 209 moving the carrier 203 moves from the guide 268 of the lead screw 213 via the communication groove 265 to the initial lock 2.
It enters the idling groove 264 at 58.

At this time, as shown in FIG.
The end 228 pushes the clutch plate 260, and the clutch plate 260 pushes the clutch gear 259 and is pushed to a position where it meshes with the control gear 102. At this time, the gear teeth on the control gear 102 side corresponding to the gear portion of the clutch gear 259 are notched, and the control gear 102 does not rotate.

When the carrier motor 255 is further rotated in the reverse direction, as shown in FIG.
9a meshes with the side gear 102h of the control gear 102, rotates the control gear 102, and the teeth of the control gear 102 mesh with the clutch gear 259.

A flange 267 is formed on the clutch gear 259. When the clutch gear 259 and the control gear 102 are engaged with each other, the flange 267 of the clutch gear 259 is hooked on the side surface of the control gear 102.
It keeps meshing with the control gear 102. When the carrier motor 255 is further rotated in the reverse direction, the recovery operation starts.

After the completion of the recovery operation, the carrier motor 255 is rotated forward, and the control gear 102 and the clutch gear 2 are rotated.
When the clutch gear 259 returns to the meshing start position of 59, the engagement between the control gear 102 and the flange 267 of the clutch gear 259 is released, and the clutch gear 259 attempts to return to the original position by the bias of the return spring 261. Clutch gear 25
9 is pressed in the same manner, and the carrier 2 that is in contact with the clutch plate 260
03 is also pressed in the same manner.

When the carrier is further rotated forward, the lead pin 209 for guiding the carrier 203 becomes the initial lock 258.
The lead screw 213 is pushed out from the circumferential idle rotation groove 264 through the communication groove 265 to the guide strip 268 side of the lead screw 213.

That is, the carrier 203 enters a scanable state by the rotation of the carrier motor 255.

FIG. 10 is a schematic perspective view showing a head cartridge section and a carrier section of a recording apparatus according to an embodiment of the present invention. In the figure, reference numeral 200 denotes a recording head for discharging ink by an electric signal; 201, an ink tank for storing ink and supplying the recording head 200;
Numeral 03 denotes a carrier provided in the main body of the recording apparatus which holds and scans the recording head 200 and the ink tank 201.
Reference numeral 4 denotes a head lever for holding and releasing the recording head;
Reference numeral 5 denotes an ink tank lever for attaching and detaching the ink tank 201, reference numeral 207 denotes a head holder spring for fixing the recording head 200 to the carrier 203, and reference numeral 208 denotes a tank case holding the ink tank 201. Thereby, a head cartridge section and a carrier section of the recording apparatus are configured.

FIG. 11 is a schematic perspective view showing the recording head 200 and the ink tank 201 of the recording apparatus according to the embodiment of the present invention. In the drawing, reference numeral 220 denotes an ink supply hole which serves as a passage for supplying ink from the ink tank 201 to the recording head; 221, an ink supply hole which supplies ink from the ink tank 201 to the recording head 200;
Reference numeral 2 denotes a coupling claw for guiding and holding the recording head 200 and the ink tank 201 when they are integrated.
Reference numeral 3 denotes a coupling claw guide groove which engages with the coupling claw 222; and 232, head tabs for facilitating the removal operation when the recording head 200 is removed from the carrier. These components constitute the head cartridge 202.

The recording head 200 includes a substrate on which a plurality of electrothermal transducers for generating thermal energy used for ejecting ink and a drive circuit for driving the transducers are formed. A discharge plate and a liquid path corresponding to each of the electrothermal conversion elements, and a top plate for forming a common liquid chamber communicating with each of the liquid paths are laminated. Electrical contacts for providing signals are provided. Further, a sensor for detecting the state of the head from the printing apparatus main body can be provided in the print head 200. Specifically, a temperature detection sensor for detecting a temperature near the electrothermal conversion element, an ink A remaining ink detection sensor for detecting when the supply of ink has run out and the common liquid chamber has run out of ink,
Alternatively, a head type discrimination sensor that specifies the type of the head cartridge when the ink cartridge or the type of the head in the head cartridge is used while exchanging a different type,
And so on. The signals from these sensors are judged by the main body of the recording apparatus, and the signals applied to the electrothermal transducer can be controlled to optimize the printing state.

Then, the recording head is mounted on the recording apparatus such that the ejection port surface on which the ejection ports of the recording head are arranged faces the recording medium.

The ink tank 201 is a tank for appropriately supplying ink to the recording head 200 in order to supplement ink consumed by recording while holding the ink.
When the ink tank 201 exists alone, it is sealed by sealing means (not shown) so that ink does not leak from the ink supply hole 221. The sealing means is automatically or manually opened when integrated with the recording head 200 to form an ink flow path. The sealing means can be realized by, for example, a mechanism for pressing a metal ball against a rubber stopper with a spring.

Further, a mechanism may be provided for introducing air from the outside in accordance with the ink volume reduced by ink consumption. Furthermore, by having a mechanism inside that keeps the pressure of the ink supplied to the print head slightly negative,
It can also improve the print quality and prevent ink leakage.

In this embodiment, the ink tank 201
It has a flexible bag (not shown) inside, in which ink is stored and connected to the ink supply hole 221. The remaining space in the ink tank 201 is filled with air, and the air pressure is adjusted by a pressure control valve (not shown) in the printing operation state. More specifically, the negative pressure state in a predetermined range is set. It is generated and held.

Alternatively, in order to realize the above-described pressure adjusting mechanism with a simpler mechanism, a sponge-like ink absorber may be placed inside the ink tank 201, and the ink absorber may hold the ink. In this case, since a force for holding the ink acts due to the capillary phenomenon of the ink absorber itself, a negative pressure state can be automatically generated and held when the ink is taken out therefrom.
In this case, the ink tank 201 is provided with an air communication port for taking in the volume of the used ink from outside the ink tank 201.

The recording head 200 and the ink tank 201 are used in a recording apparatus during a recording operation in the state of the integrated head cartridge 202. Next, a method of integrating both will be described.

Basically, since the recording head 200 and the ink tank 201 are integrated by connecting the ink supply hole 220 and the ink supply hole 221, this portion leaks ink or gas flows into the ink flow path. It is designed to prevent intrusion. In this embodiment, as shown in FIG. 14, a system using a rigid pipe and an elastic plug is employed. That is, the ink supply hole 220 is formed in a cylindrical shape with a mold member, and the ink supply hole 221 opposed thereto is a member having a cylindrical hole formed of a rubber material. The outer diameter of the ink supply hole 220 is made slightly larger than the inner diameter of the ink supply hole 221.
Then, when the ink supply hole 220 is press-fitted into the ink supply hole 221, the ink supply hole 221 is closely deformed in the radial direction and integrated with the ink supply hole 220.

The coupling portion is not limited to a combination of a rigid body and an elastic body, but may be any one having a sealing function. For example, the combination of a mold pipe and a mold hole may cause a slight deformation of the mold. Or a rubber-made sealing member without a hole and a needle-shaped pipe.

In the integration of the recording head 200 and the ink tank 201, only the above-described connection of the ink supply hole 220 and the ink supply hole 221 may be performed, but an unexpected external force is applied when the head cartridge 202 is handled. In this embodiment, the coupling claw 222 and the coupling claw guide groove 223 provide a stronger connection so as not to come off easily in the event of a break, or to provide a guide that can be easily integrated when integrated. And That is, the coupling claw 222, which is molded integrally with the ink supply hole 220 and can be elastically deformed,
A projection is provided at the tip, and engages with the coupling claw guide groove 223 while being elastically deformed by the height of the projection, and the groove provided at the back of the coupling claw guide groove 223 becomes deeper. The engagement is completed when the projection of the coupling claw 222 reaches the portion where the engagement has occurred.

The coupling claw 222 also has a role as a guide so that the ink supply hole 220 and the ink supply hole 221 can be easily aligned when the recording head 200 and the ink tank 201 are coupled. That is, the coupling claw 222
Is longer than the ink supply hole 220, so that the coupling claw 222 contacts the ink tank 201 before the ink supply hole 220 contacts the ink supply hole 221. Here, the tip of the coupling claw 222 is cut off diagonally, and the diagonal portion can be easily engaged with the coupling claw guide groove as a guide in the direction of arrow a in FIG. Also, the coupling claw 2
The protrusion provided at the tip of 22 is also cut off obliquely, and serves as a guide in the direction of arrow b in FIG. 11 to facilitate easy engagement.

In the present embodiment, the connecting claws are provided on the recording head side, but are not restricted to this, and are not restricted to the ink tank 201 side or the recording head 200 and the ink tank 2.
01 can be provided for both (see FIG. 18).

Next, the recording head 200 is moved to the carrier 203.
A method for mechanically and electrically connecting the devices will be described.

FIG. 12 shows recording head 2 on carrier 203.
FIG. 10A is a cross-sectional view showing the connection portion of FIG.
FIG. 13 is a schematic perspective view showing the order of attachment.

Referring to FIG. 1, reference numeral 225 denotes a hole fixed to the carrier 203 and engaged with a hole provided in the recording head 200.
3 positioning pins for positioning in the directions of arrow a and arrow b;
A stopper 226 is fixed to the carrier 203 and receives the recording head 200 pressed in the direction of FIG.
Reference numeral 211 denotes a flexible cable for electrically connecting the printing apparatus main body to the print head 200, and 211a denotes positioning holes a, 2 provided in the flexible cable 211.
11b is a positioning hole b provided in the flexible cable 211, 212 is a flexible cable pad sandwiched between the flexible cable 211 and the carrier 203 to elastically support the flexible cable 211, 212
a is a positioning hole a provided in the flexible cable pad 212, and 212b is a flexible cable pad 2
Positioning holes b and 212c provided on the ink jet head 12 are ink barriers for preventing ink from entering a contact portion. 227 is a head contact portion provided on the recording head 200 and electrically connected to a heater in the recording head 200.
Are positioning holes a and 227b provided in the head contact portion 227, and positioning holes b and 227c provided in the head contact portion 227 are stopper abutting locations where the end faces of the stopper 226 abut.

The recording head 200 has a head holder spring 20
7 is pressed in the direction a via a lever (not shown), and its position is uniquely determined by the engagement of the hole provided in the recording head 200 with the positioning pin 225 and the interference with the stopper 226. Thus, the recording head 200 and the carrier 203 are mechanically connected.

A plurality of electrical contacts are provided at opposite positions on the head contact portion 227 provided on the recording head 200 and the end surface of the flexible cable 211, and these contacts are pressed by a predetermined pressure. The recording apparatus main body and the recording head 200 are electrically connected. At this time, since a plurality of electrical contacts need to be pressed at once, a flexible cable pad 212 made of an elastic material is put in the pressing portion in order to press them uniformly. The flexible cable pad 212 is made of, for example, silicon rubber or the like, and has a plurality of protrusions at positions corresponding to the above-mentioned electrical contacts so that the stress of pressing is concentrated on the contacts. Further, the above-mentioned electrical contacts provided on the flexible cable 211 may be formed in a projecting shape in order to further concentrate the stress when pressed and to secure the connection.

The reaction force generated when the recording head 200 is pressed is controlled by the head holder spring 20 holding the recording head 200.
7, the position of the recording head 200 does not shift due to the reaction force from the flexible cable pad 212.

The carrier 203, the flexible cable pad 212, the flexible cable 211, the head contact portion 227 and the head cartridge 203
Are required to be accurately positioned with respect to each other in order to obtain reliable electrical connection and good recording quality, and are configured as follows.

That is, with reference to the two positioning pins 225 of the carrier 203, one of the positioning pins 225 is
13a is fitted in the positioning holes a212a, a211a and the positioning holes a227a in common, and the other positioning pin 225 is fitted in the positioning holes b212b, the positioning holes b211b and the positioning holes b227b in the same direction as in FIG. The position in the 13b direction is determined.

By pressing the stopper 226 from the direction shown in FIG. 12A until the end surface of the stopper 226 comes into contact with the stopper contacting portion 227c of the head contact portion 227, the position of the recording head 200 in the direction shown in FIG.

Further, if ink enters for some reason between the electrical contact surface, that is, between the flexible cable 211 and the head contact portion 227, there is a possibility that an electrical short circuit may occur, and it is necessary to prevent this. is there. For this reason, in the present embodiment, a part of the flexible cable pad 212 is formed into a projection shape to form an ink barrier 212c, which is pressed against the end face of the recording head 200 to prevent the ink coming out from the ejection opening of the head 200 from entering. .

In this embodiment, the electrical or mechanical connection is provided on the recording head side. However, the present invention is not restricted to this, and the connection between the ink tank 201 or the recording head 200 and the ink tank 201 may be made. Either of them may be provided, or one of them may be provided with an electrical coupling part and a mechanical coupling part separately.

Next, a method of handling the recording head 200 and the ink tank 201, that is, a case where the ink tank 201 which has run out of ink is replaced with a new ink tank 201, or a case where the recording head 200 which has become unusable for some reason is replaced. The method will be described.

As a first mode, the fixing of the recording head 200 and the carrier 203 is released, the recording head 200 and the ink tank 201 are taken out of the carrier 203 in a state of being integrated, and the recording head 200 and the ink tank 201 are detached from the carrier 203 (hereinafter, referred to as “integral”). , An off-carrier state) in which the recording head 200 and the ink tank 201 are separated or integrated.

FIG. 15 shows recording head 2 from carrier 203.
FIG. 2 is a schematic perspective view of the case where the ink tank 201 and the ink tank 201 are taken out in an integrated state. In this case, head lever 2
15 is rotated from the state of FIG. 10 to the direction of FIG.
The cam provided on the print head 4 releases the pressing force of the head holder spring 207 on the print head 200 by moving the shaft provided on the lever that pressed the print head 200.

At this time, the tank case 208 in the carrier 203 moves while its projection is engaged with the end face of the ink tank 201 on the side of the recording head 200, so that the recording head 200 and the ink tank 201 are integrated. Fifteen
Move in the b direction. As a result, the engagement between the positioning pin 225 and the hole of the recording head 200 is released, so that the recording head 200 and the ink tank 201 can be moved in the direction of FIG. Can be done. At this time, the user grips the head tab 232 attached to the recording head 200,
By lifting, the entire head cartridge 202 can be easily taken out. In addition, this head tab 2
32 is made of a flexible material (for example, polyester), and a surface in contact with the flexible cable 211 is made of at least an electrically insulating member. And
At the time of recording, the head tab 232 is interposed between the head lever 205 and the flexible cable 211 to protect the flexible cable 211 and electrically insulate the flexible cable 211 from the outside. After the off-carrier state, the recording head 200 and the ink tank 201 can be separated from each other by applying a force in a direction opposite to the coupling direction when the ink tank 201 is integrated. Then, the person who wants to replace the battery is made a new one, and the two are integrated by the above-described integration method and stored in the carrier 203 in the reverse order, thereby completing the replacement operation.

In this embodiment, the head lever 2
Although the pressing force of the recording head 200 is released by using 04, the lever for pressing the recording head 200 may be directly moved without being restricted by this. In addition, the recording head is pressed by using the head holder spring 207 in the fixing method, but the recording head is not restricted thereto, and the recording head may be fixed using a latch hook having a spring property.

The first embodiment has the following effects.

That is, when either the recording head or the ink tank needs to be replaced, only the one that needs replacement needs to be replaced, so that the economy is improved.

As a second mode, the recording head 200 and the ink tank 201 are separated from each other on the carrier while the recording head 200 and the carrier 203 are fixed (hereinafter, referred to as a “carrier”).
There is a method of removing only the ink tank 201 (on-carrier state).

FIG. 16 shows the recording head 2 on the carrier 203.
FIG. 2 is a schematic perspective view showing a state in which an ink tank 201 is separated from 00. In this case, by rotating the tank lever 205 from the state of FIG. 10 in the direction of FIG. 16a to such a position, a cam (not shown) provided on the tank lever 205 causes the tank case 208 to move in FIG.
Move in the direction. The protrusion provided on the tank case 208 engages with the end face of the ink tank 201 on the recording head 200 side to move the ink tank 201 in the direction of FIG. 16B.
At this time, the fixing of the recording head 200 is the same as the state of FIG. 10 and does not move together with the ink tank 201, so that the engaging portion between the recording head 200 and the ink tank 201 can be disengaged and separated. Further, by moving the ink tank 201 in the direction of FIG.

In mounting the ink tank 201, the ink tank 201 is inserted into the tank case 208 by the reverse procedure, and the tank lever 205 is operated. Accordingly, the tank case 208 presses the end of the ink tank 201, and the recording head 200 and the ink tank 201 can be connected by the pressure.

In this case, when the recording head 200 is elastically pressed by the head holder spring 207 as in this embodiment, the head may be detached due to the force applied during separation. Therefore, it is preferable to configure as follows. FIG. 17 is a schematic plan view showing how a force is applied. In the figure, the recording head 200 is moved by the head holder spring 207 with the force of f1 to the carrier 203.
Is pressed. Further, in order to separate the recording head 200 from the ink tank 201, a force of f2 is required to disengage the engagement between the coupling claw 222 and the coupling claw guide groove 223 and the engagement between the ink supply hole 220 and the ink supply hole 221. Suppose there is. At this time, by setting the magnitude of the force to be f1> f2, it is possible to prevent the recording head 200 from being detached during the separation operation.

In this embodiment, the tank lever 2
A force equivalent to f2 is generated by using the ink jet head 05, but the ink head 201 is directly held in the direction "b" in FIG. It may be configured as follows.

The second embodiment has the following effects in addition to the first embodiment.

That is, by appropriately designing the cam shape of the tank lever 205, the pull-out speed at the time of separation can be controlled, and the ink supply hole 22 can be controlled.
0 or the ink can be prevented from scattering from the ink supply hole 221.

Further, since it is not necessary to hold the recording head 200 directly with the hand, the vicinity of the ink ejection port of the recording head 200 is not touched by hand, and unnecessary pollution which adversely affects printing can be prevented.

Further, since the portion of the ink tank 201 to which the force is applied is specified, it is sufficient that only the portion is configured to withstand the force. Therefore, the other portions can be made thinner and lighter, and the inner volume can be increased. There is.

Next, the ink tank 201 is moved to the carrier 20.
The prevention of erroneous insertion at the time of insertion into the tank case 208 in 3 will be described. The ink tank 201 is shown in FIGS.
There is an end face with an ink supply port 221 for connection with the recording head 200 as shown in FIG.
Further, it is necessary to regulate the insertion direction to some extent depending on the direction of the coupling claw 222 and the coupling claw guide groove 223. Therefore, in this embodiment, the insertion direction is regulated by providing a convex shape on the tank case 208 side and a concave shape on the ink tank 201 side.

FIG. 18 is a schematic perspective view showing the structure of the tank case 208. In the drawing, reference numeral 208a denotes a tank case end protrusion protruding from the inside of the tank case 208 where the ink tank 201 is inserted, and 208b regulates the end of the tank case 208 when the ink tank 201 is inserted into the carrier 203. This is a tank case end for pressing the ink tank 201, and these parts constitute a tank case 208. The tank case end projection 208a has a substantially rectangular parallelepiped shape having a height H2, a length W2, and a thickness T2. The shape is not limited to a substantially rectangular parallelepiped.

FIG. 20 is a schematic perspective view of the ink tank 208 viewed from the direction opposite to the side where the recording head 200 is mounted. In the figure, 201a is the ink tank 2
01 is an ink tank slit cut inward. The ink tank slit 201a is a substantially rectangular parallelepiped slit having a height H1, a length W1, and a gap T2. The shape is not limited to a substantially rectangular parallelepiped.

The insertion direction is regulated by the above-mentioned tank case end projection 208a and ink tank slit 201a. When the ink tank 201 is inserted in the correct direction, the tank case end projection 208a fits into the ink tank slit 201a and the tank case 208
Can be stored inside. However, if the ink tank 201 is inserted in the wrong direction,
08a interferes with the outer shape of the ink tank 201, and the ink tank 201 cannot be fitted to a regular position. This allows the operator to notice that the ink tank 201 has been inserted in the wrong insertion direction, so that damage or failure of the machine due to excessive insertion in the wrong direction or the like can be prevented.

Next, dimensional restrictions on the tank case 208 and the ink tank 201 will be described.

FIG. 21 is a schematic plan view showing dimensions required for the tank case 208 and the ink tank 201. FIG. In the figure, position O is the center of rotation when the recording head 200 side of the ink tank 201 is rotated (in the direction of arrow c), position A is the lower corner of the ink tank 201 on the recording head 200 side, and position B is the tank. The upper corner of the case end 208b on the side in contact with the ink tank 201, the length L1 is the distance from the position O to the position A, and the length L2 is the distance from the position O to the position B.

FIG. 21 is a schematic front view showing dimensions required for the tank case 208 and the ink tank 201. In the figure, a length T3 is a distance from the side surface of the ink tank 201 to the ink tank slit 201a, and a length T4 is a distance from the inner side surface of the tank case 208 to the tank case end protrusion 2.
08a, the length T5 is the width of the ink tank 201, and the length T6 is the inner width and length T of the tank case 208.
7 is an ink tank slit 201 from the side opposite to T3.
The distance to a and the length T8 is the tank case 2 opposite to T4
08 to the tank case end projection 208a.

In FIG. 50, by setting (length L1) <(length L2), the ink tank 201 which can be pulled out only straight upward in the related art can be taken out by rotating motion. Operability can be improved. However, if the length L2 is too large, the operability is improved, but the size of the carrier 203 is increased, which results in an increase in the size of the apparatus. Therefore, it is desirable that the length L2 further satisfies the following relationship.

(Length L2) <(Length of ink tank 201 in main scanning direction) × 2 The relationship between the depth of the tank case end projection 208a and the length of the ink tank slit 201a is (length W1)> ( By setting the length to W2), the end of the ink tank 201 can be moved to the tank case end 20 regardless of the presence or absence of the protrusion for preventing erroneous insertion.
8b, a stable pressing force is always applied, and the mounting operation of the ink tank 201 and the recording head 200 is smooth. The relationship between the length H1 and the length H2 will be described later.

In FIG. 22, in order for the ink tank 201 to enter the tank case 208 (length T5) <
(Length T6), but when the ink tank 201 is inserted into the tank case end projection 208a.
Must be satisfied in order to allow smooth insertion without interference. That is, (length T2) + (length T4) <(length T1) + (length T
3) AND (length T2) + (length T8) <(length T1) + (length T
7), the tank case end projection 208a is smoothly inserted into the ink tank slit 201a.

Next, dimensional restrictions on the head cartridge 202 and the carrier 203 will be described. FIG. 23 is a schematic front view showing dimensions required for the head cartridge 202 and the carrier 203. In the same figure, reference numeral 208c denotes a tank case projection which is located at the end of the tank case 208 and engages with the end of the ink tank 201;
The position O, which is a head holder projection that presses the recording head 200 at the end of the reference numeral 06, is the upper end of the tank case 208 that is the center of rotation in FIG.

FIG. 14 shows a state in which the head cartridge 202 is being mounted (or removed) in the carrier 203.
It inserts and removes up and down while rotating in the direction to θ °. Alternatively, it is also possible to insert and remove only by vertical movement without rotating operation.

In FIG. 23, considering the case of inserting and removing with rotation operation, H1 and H2 described in FIG.
If the relationship of (length H1) × cos θ> (length H2) is satisfied, the tank case end projection 208a and the ink tank 201 do not interfere with each other when the head cartridge 202 is inserted and removed.

In addition, when the head cartridge 202 is inserted or removed, if ink is accumulated near the ink ejection port of the recording head 200, the ink may adhere to the contact portion of the flexible cable 211 and cause an electric short circuit. There is. For this reason, it is desirable that the gap d between the tip of the recording head 200 and the flexible cable 211 is arranged to be 0 or more even during the insertion / removal operation. During the insertion / removal operation, the tank case projection 208c and the head holder projection 206a can pass only through the hatched portion of the recording head 200 in FIG. 23, so that the distance Lo from the position O to the contact surface of the flexible cable 211 is The relationship between the length Lh of the recording head 200 in the main scanning direction is (length Lo) − (length Lh)> 0, and the height Ho of the position O and the maximum height Hc of the contact surface of the flexible cable 211 are set. By setting the relationship of (length Ho) + (length Lh) × sin θ> (length Hc), ink adhesion can be prevented.

Next, the sliding portion between the carrier 203 and the guide rail 2 will be described.

FIG. 23 is a schematic front view of the carrier 203 as viewed from the paper discharge side, and FIG. 25 is a side view thereof. In the figure, reference numeral 233 denotes a carrier rib provided on the side of the discharge side of the carrier 203, 234 denotes a lower portion of the carrier rib, and 235 denotes a case in which the carrier moves in the main scanning direction by abutting on the guide rail 2 and sliding. The reference numeral 236 above the carrier sliding portion serving as a guide is below the carrier sliding portion serving as a guide when moving with a small gap.

The upper carrier rib 233 and the lower carrier rib 234 are opposed to the guide rail 2 with a small gap, and usually do not abut. However, since the carrier rib 233 is provided over substantially the entire length of the side surface of the carrier 203, it serves as reinforcement of the side surface of the carrier 203.

As described above, only the upper portion 235 of the carrier sliding portion and the lower portion 236 of the carrier sliding portion are sufficient to support the own weight of the carrier 203 when performing only the normal recording operation. However, when the tank lever 205 is operated when the ink tank 201 is replaced or when the head lever 204 is operated when the head cartridge 202 is replaced, a load far exceeding its own weight is applied as an operating force. The upper part 235 and the lower part 236 of the carrier sliding part may be damaged. In order to receive a large load, the contact area between the upper portion 235 of the carrier sliding portion and the lower portion 236 of the carrier sliding portion may be increased. However, such a configuration increases the contact resistance and causes the carrier 203 to be slightly tilted due to a slight inclination. The gap between the upper sliding portion 235 and the lower sliding portion 236 of the carrier becomes too narrow, which causes a malfunction such as galling with the guide rail 2. Therefore, in this embodiment,
A carrier rib is provided at a position having a gap slightly larger than the gap of the sliding portion, and an excessive load is applied to the carrier rib.
Is deformed, the upper carrier rib 233 or the lower carrier rib 234 contacts the guide rail 2 and receives a load, thereby preventing the carrier 203 from being damaged.

With the above-described configuration, a sliding portion capable of withstanding a large load can be realized while reducing the contact area during the recording operation. Therefore, it is possible to reduce the sliding resistance and increase the reliability. Can be.

The present invention provides an excellent effect particularly in an ink jet recording head and a recording apparatus in which a flying liquid droplet is formed by utilizing thermal energy and recording is performed among ink jet recording methods.

The typical configuration and principle are described in, for example, US Pat. Nos. 4,723,129 and 4,740.
It is preferable to use the basic principle disclosed in the specification of Japanese Patent No. 796. This method can be applied to both the so-called on-demand type and continuous type. In particular, in the case of the on-demand type, liquid (ink)
By applying at least one drive signal corresponding to the recorded information and providing a rapid temperature rise exceeding nucleate boiling to an electrothermal transducer arranged corresponding to the sheet or liquid path in which This is effective because heat energy is generated in the electrothermal transducer, causing film boiling on the heat-acting surface of the recording head, and as a result, air bubbles in the liquid (ink) corresponding one-to-one to this drive signal can be formed. It is. The liquid (ink) is ejected through the ejection opening by the growth and contraction of the bubble to form at least one droplet. When the drive signal is formed into a pulse shape, the growth and shrinkage of the bubbles are performed immediately and appropriately, so that the ejection of the liquid (ink) having particularly excellent responsiveness can be achieved, which is more preferable.

As the pulse-shaped drive signal, those described in US Pat. Nos. 4,463,359 and 4,345,262 are suitable. Further, if the conditions described in US Pat. No. 4,313,124 relating to the temperature rise rate of the heat acting surface are adopted, more excellent recording can be performed.

As the configuration of the recording head, in addition to the combination of the discharge port, the liquid path, and the electrothermal converter (linear liquid flow path or right-angled liquid flow path) as disclosed in the above-mentioned respective specifications, A configuration using U.S. Pat. No. 4,558,333 or U.S. Pat. No. 4,459,600, which discloses a configuration in which a heat acting portion is arranged in a bending region, is also included in the present invention.

In addition, JP-A-59-123670 which discloses a configuration in which a common slit is used as a discharge portion of an electrothermal converter for a plurality of electrothermal converters or absorbs pressure waves of thermal energy. The present invention is also effective as a configuration based on JP-A-59-138461, which discloses a configuration in which an opening corresponds to a discharge unit.

Further, as a full-line type recording head having a length corresponding to the width of the maximum recording medium that can be recorded by the recording apparatus, the length is determined by combining a plurality of recording heads as disclosed in the above specification. The present invention can exhibit the above-mentioned effects more effectively, though it may be either a configuration that satisfies the above requirements or a configuration as a single recording head that is formed integrally.

In addition, the print head is replaceable with a print head of a replaceable chip type, which can be electrically connected to the main body of the apparatus or supplied with ink from the main body of the apparatus, or is integrated with the print head itself. The present invention is also effective when a cartridge type recording head provided with an ink tank is used.

It is preferable to add recovery means for the recording head provided as a configuration of the recording apparatus of the present invention, preliminary auxiliary means, and the like because the effects of the present invention can be further stabilized. To be more specific, capping means for the recording head, cleaning means, pressurizing or suction means, preheating means using an electrothermal transducer or another heating element or a combination thereof, and recording Performing a preliminary ejection mode for performing another ejection is also effective for performing stable printing.

Further, the recording mode of the recording apparatus is not limited to the recording mode of only the mainstream color such as black, but may be a single recording head or a combination of plural recording heads. The present invention is also extremely effective for an apparatus provided with at least one of full colors by color mixture.

In the embodiments of the present invention described above, the ink is described as a liquid. However, an ink which solidifies at room temperature or lower and which softens at room temperature or is a liquid, or In general, in the ink jet method, the temperature of the ink itself is controlled within a range of 30 ° C. or more and 70 ° C. or less to control the temperature so that the viscosity of the ink is in a stable ejection range. What is necessary is just to be liquid.

In addition, the temperature rise due to thermal energy is positively prevented by using it as energy for changing the state of the ink from the solid state to the liquid state, or the ink is solidified in a standing state for the purpose of preventing evaporation of the ink. Either ink may be used, or in any case, the ink may be liquefied by application of heat energy according to the recording signal and ejected as a liquid ink, or may already start to solidify when reaching the recording medium. The use of an ink that liquefies for the first time by thermal energy is also applicable to the present invention. In such a case, ink is disclosed in JP-A-54-56847.
Or in a state in which it is held as a liquid or solid substance in a concave portion or through hole of a porous sheet as described in JP-A-60-71260, and faces the electrothermal converter. Good. In the present invention,
The most effective one for each of the above-mentioned inks is to execute the above-mentioned film boiling method.

In addition to the above, the recording apparatus according to the present invention may be provided not only as an image output terminal of an information processing apparatus such as a word processor or a computer, but also as an integrated or separate apparatus, as well as a copying apparatus combined with a reader and the like. May take the form of a facsimile machine having a transmission / reception function.

[0134]

As described above, according to the present invention, the carrier during normal operation is provided on the sliding surface of the guide means.
Supported by guide means by sliding means of the carrier in contact
And remove the recording cartridge from the carrier
When pressing the sliding means against the guide means
When a force is applied, the carrier is placed on the sliding surface of the guide means.
The support means of the opposing carrier abuts the guide means.
And are supported by the guide means. This usually
During the recording operation of the carrier, the carrier can be
Supports the guide means, so the carrier and guide hand
The contact area with the step is reduced to reduce the sliding resistance,
Can withstand even the most severe load
Sliding support of the carrier can be realized.

[0135]

[0136]

[Brief description of the drawings]

FIG. 1 is a perspective view of an ink jet recording apparatus according to an embodiment.

FIG. 2 is a perspective view showing a state in which a pinch roller is released from pressure contact in the embodiment.

FIG. 3 is a perspective view showing a pressed state of the pinch roller of the embodiment.

FIG. 4 is a mechanism diagram of the lead screw of the embodiment.

FIG. 5 is a partially enlarged sectional view of the carrier bearing according to the embodiment.

FIG. 6 is an enlarged view of an end portion of the lead screw of the embodiment.

FIG. 7 is a left end view of the lead screw on which the clutch mechanism of the embodiment is formed.

FIG. 8 is an explanatory diagram of an operation of the clutch mechanism of the embodiment.

FIG. 9 is an engagement diagram of a clutch gear and a control gear of the embodiment.

FIG. 10 is a perspective view of a carrier unit according to the embodiment.

FIG. 11 is a perspective view of a head cartridge section according to the embodiment.

FIG. 12 is a partially enlarged cross-sectional view of a carrier section according to the embodiment.

FIG. 13 is a perspective view illustrating a method of connecting the carrier unit and the head cartridge unit according to the embodiment.

FIG. 14 is a cross-sectional view of a head cartridge coupling portion according to the embodiment.

FIG. 15 is a perspective view illustrating an exchange method according to a first embodiment of the present invention.

FIG. 16 is a perspective view showing an exchange method according to a second embodiment of the present invention.

FIG. 17 is a plan view illustrating how a force is applied in the embodiment.

FIG. 18 is a perspective view showing another example of the head cartridge section of the embodiment.

FIG. 19 is a perspective view illustrating a state where an ink tank is removed from the carrier according to the embodiment.

FIG. 20 is a perspective view of the ink tank of the embodiment when viewed from the side opposite to the recording head.

FIG. 21 is a front view showing the size of the tank case of the embodiment.

FIG. 22 is a plan view illustrating sizes of a tank case and an ink tank according to the embodiment.

FIG. 23 is a front view showing the sizes of the carrier and the head cartridge according to the embodiment.

FIG. 24 is a front view of the carrier unit of the embodiment when viewed from the paper discharge side of the recording apparatus.

FIG. 25 is a side view of the carrier sliding portion of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Chassis 2 Guide rail 3 Recording material 4 Conveyance roller 5 Paper feed motor 6 Spur 7 Ejection roller 8 Pinch roller 9 Pinch roller spring 10 Pinch roller holder 11 Pinch roller frame 12 Release angle 13 Release lever 14 Paper sensor 15 Reduction gear train 101 Cap 102 Control gear 200 Recording head 201 Ink tank 201a Ink tank slit 202 Head cartridge 203 Carrier 204 Head lever 205 Tank lever 206 Head holder 206 Head holder protrusion 207 Head holder spring 208 Tank case 208a Tank case end protrusion 208b Tank case end 208c Tank case Projection 209 Lead pin 210 Lead pin spring 211 Flexible cable 11a positioning hole a 211b positioning hole b 212 flexible cable pad 212a positioning hole a 212b positioning hole b 212c ink barrier 213 lead screw 213a positioning hole a 213b positioning hole b 220 ink supply hole 221 ink supply hole 222 coupling claw 223 coupling claw guide Groove 225 Positioning pin 226 Stopper 227 Head contact part 227a Positioning hole a 227b Positioning hole b 227c Stopper contact point 228 Carrier bearing 1 229 Carrier bearing 2 230 Shielding plate 231 Carrier hook 232 Head tab 233 Above carrier rib 234 Below carrier rib 235 Carrier sliding Moving part upper part 236 Carrier sliding part lower part 250 Adjusting spring 251 Bearing 252 First long hole 253 Second long hole 254 Screw 2 55 Carrier motor 256 Pinion gear 257 Lead screw gear 258 Initial lock 259 Clutch gear 260 Clutch plate 261 Return spring 262 Projection 263 Depression 264 Idling groove 265 Contact groove 267 Flange 268 Guide 269 Stopper 270 HP sensor 271 Recovery system plate

Claims (6)

(57) [Claims] 1. A recording head cartridge is detachably mounted.
A carrier for mounting and moving, and slidingly supporting the carrier in a moving range of the carrier.
Guide means having a sliding surface and guiding the carrier
If, disposed on the carrier to slide in contact with the sliding surface
And a sliding unit , wherein the recording unit is disposed on the carrier so as to face the sliding surface, and
When attaching / detaching the head cartridge to / from the carrier
Where the sliding means is pressed against the guide means.
When a force greater than a certain level is applied,
Having support means for supporting the carrier,
Recording device. 2. The apparatus according to claim 1, wherein the supporting means is configured to apply a force greater than the predetermined force.
If not used, do not touch the guide means
The recording device according to claim 1, wherein: 3. The support means sandwiches the guide means.
Are arranged at two places of the carrier so as to face each other.
The recording apparatus according to claim 1, wherein 4. The moving means of the carrier, wherein the supporting means moves the carrier.
Along the entire length of the carrier
4. The method according to claim 1, wherein
Recording device. 5. The recording head cartridge according to claim 1, wherein
Inkjet printhead that performs printing by discharging
The method according to any one of claims 1 to 4, wherein
On-board recording device. 6. The ink jet recording head according to claim 1, wherein
Electrothermal conversion that generates thermal energy to discharge the heat
The body according to claim 5, wherein the body is arranged.
Recording device.