EP0376719A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Ink jet recording head and ink jet recording apparatus
Assignee: Canon Inc
•
Filing: 1989-12-28
•
Granted: —
•
Expires: 2009-12-28
Abstract
Abstract In an ink jet recording device having an ink tank integrated type jet recording head (10) and a carriage (20) for mounting the head thereon, good electrical connection is obtained by constituting so that the electrical pad (13) of the connecting terminal (10a) of the recording head and the electrical pad (24) of the connecting terminal (20a) of the carriage are connected to each other while rubbing them one to one. Further, also by specifying the arrangement position of the positioning member, more accurate electrical conduction is effected and also breaking of the positioning member is prevented, thereby providing an ink jet recording device having high reliability in both aspects of recording and durability.
Inventors
- 👤 Makoto Kashimura
- 👤 Toshihiko Bekki
- 👤 Hirofumi Hirano
- 👤 Tetsuo Kimura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 18:21
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/17; B41J2/175; B41J2/17503; B41J2/1752; B41J25/00; B41J25/34
Claims Analysis
Total Claims: 80
Claim 1
Independent Claim
110 words
An ink jet recording device equipped with: a recording head having a discharge port for discharging ink, an energy generating element for generating ink through said discharge port, and a first electrical connecting terminal; and a carriage provided with a second electrical connecting terminal for mounting said recording head thereon, wherein the mounting actuation of said recording head onto said carriage includes rotation of said recording head, and a plurality of unit elements of said first electrical connecting terminal and a plurality of unit elements of said second electrical connecting terminal are coupled while being rubbed one to one with each other during the mounting actuation of said recording head.
Claim 2
Dependent Claim
110 words
An ink jet recording device equipped with: a recording head having a discharge port for discharging ink, an energy generating element for generating ink through said discharge port, and a first electrical connecting terminal; and a carriage provided with a second electrical connecting terminal for mounting said recording head thereon, wherein the mounting actuation of said recording head onto said carriage includes rotation of said recording head, and a plurality of unit elements of said first electrical connecting terminal and a plurality of unit elements of said second electrical connecting terminal are coupled while being rubbed one to one with each other during the mounting actuation of said recording head.
Claim 3
Dependent Claim
29 words
An ink jet recording head according to Claim 1, wherein said first connecting terminal is provided on the surface different from that on which said discharge port is provided.
Claim 4
Dependent Claim
30 words
An ink jet recording device according to Claim 1, wherein said discharge port is provided in the front surface, and said first connecting terminal is provided at the bottom surface.
Claim 5
Dependent Claim
42 words
An ink jet recording device according to Claim 1, wherein said recording head has the discharge port at the portion protruded from the first surface, and said first connecting terminal arranged in the concavity of the surface crossed perpendicularly with said surface.
Claim 6
Dependent Claim
18 words
An ink jet recording device according to Claim 1, wherein said energy generating element is an electrothermal transducer.
Claim 7
Dependent Claim
23 words
An ink jet recording device according to Claim 1, wherein said recording head is a head which discharges ink by utilizing heat energy.
Claim 8
Dependent Claim
22 words
An ink jet recording device according to Claim 1, wherein said recording head has an ink tank for housing ink integrally therewith.
Claim 9
Dependent Claim
32 words
An ink jet recording device according to Claim 1, wherein said recording head has an ink tank for housing ink integrally therewith, and an ink absorber is arranged in said ink tank.
Claim 10
Dependent Claim
47 words
An ink jet recording device according to Claim 1, wherein said recording head has a discharging portion having an ink tank, a discharge port and an energy generating element, a base plate having said discharging portion arranged thereon, and a positioning portion formed on said base plate.
Claim 11
Dependent Claim
17 words
An ink jet recording device according to Claim 9, wherein said base plate has heat dissipating function.
Claim 12
Dependent Claim
31 words
An ink jet recording device according to Claim 1, wherein said recording head has a guide member for guiding said recording head during mounting of said recording head onto said carriage.
Claim 13
Dependent Claim
34 words
An ink jet recording device according to Claim 1, wherein said recording head has a projection for aiding positioning to receive the urging force for fixing said recording head on said carriage arranged thereon.
Claim 14
Dependent Claim
30 words
An ink jet recording device according to Claim 1, wherein said recording head has a positioning member which becomes the standard for effecting positioning relative to said carriage arranged thereon.
Claim 15
Dependent Claim
56 words
An ink jet recording device according to Claim 1, wherein said recording head has the discharge port arranged at the portion protruded from the front surface of the ink tank for housing ink arranged thereon, and the positioning portion is arranged between said front surface and the discharge port surface having said discharge port arranged thereon.
Claim 16
Dependent Claim
29 words
An ink jet recording device according to Claim 1, wherein said recording head has a concavity for performing positioning by engagement with the concavity of said carriage arranged thereon.
Claim 17
Dependent Claim
33 words
An ink jet recording device according to Claim 1, wherein a positioning member is arranged so that after positioning in the moving direction, the positioning may be effected in the direction crossed therewith.
Claim 18
Dependent Claim
26 words
An ink jet recording device according to Claim 1, wherein said positioning portion is arranged internally of a space which can positively protect said positioning portion.
Claim 19
Dependent Claim
54 words
An ink jet recording device according to Claim 1, wherein said positioning portion is arranged between a space formed between the boundary formed by connecting mutually the ends on the side where the discharge port is positioned in the recording head, and the outer surface on the discharge port side of the ink tank.
Claim 20
Dependent Claim
55 words
An ink jet recording device according to Claim 1, wherein the site which becomes the standard for rotation of said recording head is positioned on said discharge port side from said first connecting terminal and at the position on the opposite side with respect to said first connecting terminal with said discharge port sandwiched therebetween.
Claim 21
Dependent Claim
27 words
An ink jet recording device according to Claim 1, wherein the mounting actuation of said recording head is accompanied with rotation actuations in a plurality of directions.
Claim 22
Dependent Claim
33 words
An ink jet recording device according to Claim 1, wherein said rotation actuations include rotation from upward to downward, and rotation within a plane in parallel to the moving direction of the carriage.
Claim 23
Dependent Claim
48 words
An ink jet recording device according to Claim 1, wherein the mounting actuation of said recording head comprises the process of sliding said recording head downwardly by utilizing a guide member, and subsequently the process of moving it forwardly and also further downwardly by utilizing a fixing lever.
Claim 24
Dependent Claim
41 words
An ink jet recording device according to Claim 1, wherein the mounting actuation of said recording head is accompanied with forward movement by utilizing said fixing lever and also movement in the lateral direction during the process of further moving downwardly.
Claim 25
Dependent Claim
35 words
An ink jet recording device according to Claim 1, wherein the constitution is made so that the foreign matters attached on the connecting terminals can be removed by the mounting actuation of said recording head.
Claim 26
Dependent Claim
45 words
An ink jet recording device according to Claim 1, wherein the guide member arranged on the discharge port side of said recording head has the function of preventing of contact the discharge port with the cap in the course of the recording head mounting actuation.
Claim 27
Dependent Claim
26 words
An ink jet recording device according to Claim 1, wherein the site which becomes the standard for rotation of said recording head is the rotation center.
Claim 28
Dependent Claim
61 words
An ink jet recording device according to Claim 26, wherein the constitution is made such that said rotation center is arranged at a position having a predetermined distance in the normal line direction of the contact portion from the tangential line of the contact portion of said connecting terminal, and said connecting terminal may be dislocated when the head is mounted.
Claim 29
Dependent Claim
30 words
An ink jet recording device according to Claim 1, wherein the constitution is made such that the mounting actuation of said recording head may be performed at the home position.
Claim 30
Dependent Claim
42 words
An ink jet recording device according to Claim 1, wherein said ink jet recording device has a cap for covering over said discharge port, and said discharge port is covered with said cap simultaneously with completion of mounting of said recording head.
Claim 31
Dependent Claim
39 words
An ink jet recording device according to Claim 1, wherein the site which becomes the standard for said rotation is provided at upper than the position corresponding to said cap and within the range forwardly of said connecting terminal.
Claim 32
Dependent Claim
30 words
An ink jet recording device according to Claim 1, wherein said carriage has a positioning member which becomes the standard for effecting positioning relative to said recording head arranged thereon.
Claim 33
Dependent Claim
33 words
An ink jet recording device according to Claim 1, wherein said carriage has a concavity having a tapered shape which becomes the standard for effecting positioning relative to said recording head arranged thereon.
Claim 34
Dependent Claim
30 words
An ink jet recording device according to Claim 1, wherein said second connecting terminal includes a terminal for supplying power to the discharging energy generating member of the recording head.
Claim 35
Dependent Claim
25 words
An ink jet recording device according to Claim 1, wherein said carriage has a member for applying force so as to dismantle the recording head.
Claim 36
Dependent Claim
31 words
An ink jet recording device according to Claim 1, wherein said carriage is provided with a plate spring as the member for applying force so as to dismantle the recording head.
Claim 37
Dependent Claim
32 words
An ink jet recording device according to Claim 1, wherein said carriage is provided with a member for applying force so as to hold said head by engagement with the recording head.
Claim 38
Dependent Claim
25 words
An ink jet recording device according to Claim 36, wherein the member for applying force so as to hold said head is a fixing lever.
Claim 39
Dependent Claim
25 words
An ink jet recording device according to Claim 1, wherein the unit elements of said second connecting member are arranged dislocatably on an elastic member.
Claim 40
Dependent Claim
26 words
An ink jet recording device according to Claim 38, wherein said elastic member is constituted of a material selected from chloroprene rubber, urethane rubber, moltprene rubber.
Claim 41
Dependent Claim
25 words
An ink jet recording device according to Claim 1, wherein said discharge port, said first connecting termianl and the positioning member are arranged substantially linearly.
Claim 42
Dependent Claim
30 words
An ink jet recording device according to Claim 1, wherein said discharge port, said first connecting termianl and the positioning member are arranged on one side of the recording head.
Claim 43
Dependent Claim
27 words
An ink jet recording device according to Claim 1, wherein said discharge port, said first connecting terminal, the positioning member and the cap are arranged substantially linearly.
Claim 44
Dependent Claim
178 words
An ink jet recording head having a discharge port for discharging ink and an energy generation means for generating energy for discharging ink, which is detachable relative to the mounting means for mounting the recording head onto the recording head of an ink jet recording means, characterized in that the recording head has a surface having the discharge port provided thereon, an electrical connecting terminal provided on a surface forming a specific angle crossed with the surface and a rotation center portion in attachment and detachment relative to the mounting means of the recording head, the center axis of the rotation center portion is parallel to the surface where the discharge port is provided and the surface where the connecting terminal is provided, with its position being made on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided and outside the range where the discharge port is provided, and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided.
Claim 45
Dependent Claim
178 words
An ink jet recording head having a discharge port for discharging ink and an energy generation means for generating energy for discharging ink, which is detachable relative to the mounting means for mounting the recording head onto the recording head of an ink jet recording means, characterized in that the recording head has a surface having the discharge port provided thereon, an electrical connecting terminal provided on a surface forming a specific angle crossed with the surface and a rotation center portion in attachment and detachment relative to the mounting means of the recording head, the center axis of the rotation center portion is parallel to the surface where the discharge port is provided and the surface where the connecting terminal is provided, with its position being made on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided and outside the range where the discharge port is provided, and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided.
Claim 46
Dependent Claim
178 words
An ink jet recording device, comprising an ink jet recording head having a discharge port for discharging ink and an energy generation means for generating energy for discharging ink, wherein the recording head has a surface having the discharge port provided thereon, an electrical connecting terminal provided on a surface forming a specific angle crossed with the surface and a rotation center portion in attachment and detachment relative to the mounting means of the recording head, the center axis of the rotation center portion is parallel to the surface where the discharge port is provided and the surface where the connecting terminal is provided, with its position being made on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided and outside the range where the discharge port is provided, and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided and a mounting means having a site to be engaged to the rotation center for mounting the recording head.
Claim 47
Dependent Claim
178 words
An ink jet recording device, comprising an ink jet recording head having a discharge port for discharging ink and an energy generation means for generating energy for discharging ink, wherein the recording head has a surface having the discharge port provided thereon, an electrical connecting terminal provided on a surface forming a specific angle crossed with the surface and a rotation center portion in attachment and detachment relative to the mounting means of the recording head, the center axis of the rotation center portion is parallel to the surface where the discharge port is provided and the surface where the connecting terminal is provided, with its position being made on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided and outside the range where the discharge port is provided, and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided and a mounting means having a site to be engaged to the rotation center for mounting the recording head.
Claim 48
Independent Claim
161 words
A method for mounting a recording head having a discharge port for discharging ink, an energy generation means for generating the energy for discharge of the ink through the discharge port and an electrical connecting terminal provided on a surface forming a specific angle crossed with the surface where the discharge port is provided, characterized in that the recording head is mounted by engaging the rotation center portion having a center axis in parallel to both the surface where the discharge port is provided and the surface where the connecting terminal is provided and located on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided, outside of the range where the discharge port is provided and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided, to the site corresponding to the mounting means with the rotation center portion as the center.
Claim 49
Independent Claim
161 words
A method for mounting a recording head having a discharge port for discharging ink, an energy generation means for generating the energy for discharge of the ink through the discharge port and an electrical connecting terminal provided on a surface forming a specific angle crossed with the surface where the discharge port is provided, characterized in that the recording head is mounted by engaging the rotation center portion having a center axis in parallel to both the surface where the discharge port is provided and the surface where the connecting terminal is provided and located on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided, outside of the range where the discharge port is provided and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided, to the site corresponding to the mounting means with the rotation center portion as the center.
Claim 50
Dependent Claim
194 words
An ink jet recording head having a discharge port for discharging ink and an energy generation means for generating energy for discharging ink, which is detachable relative to the mounting means for mounting the recording head onto the recording head of an ink jet recording means, characterized in that the recording head has a surface having the discharge port provided thereon, an electrical connecting terminal provided on a surface forming a specific angle crossed with said surface and a rotation center portion in attachment and detachment relative to the mounting means of the recording head, the center axis of the rotation center portion is substantially parallel to the surface where the discharge port is provided and the surface where the connecting terminal is provided, with its position being made on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided and outside the range where the discharge port is provided, and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided, and further has a positioning member provided between the discharge port and the connecting terminal.
Claim 51
Dependent Claim
194 words
An ink jet recording head having a discharge port for discharging ink and an energy generation means for generating energy for discharging ink, which is detachable relative to the mounting means for mounting the recording head onto the recording head of an ink jet recording means, characterized in that the recording head has a surface having the discharge port provided thereon, an electrical connecting terminal provided on a surface forming a specific angle crossed with said surface and a rotation center portion in attachment and detachment relative to the mounting means of the recording head, the center axis of the rotation center portion is substantially parallel to the surface where the discharge port is provided and the surface where the connecting terminal is provided, with its position being made on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided and outside the range where the discharge port is provided, and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided, and further has a positioning member provided between the discharge port and the connecting terminal.
Claim 52
Dependent Claim
190 words
An ink jet recording device having an ink jet recording head having a discharge port for discharging ink and an energy generation means for generating energy for discharging ink, wherein the recording head has a surface having the discharge port provided thereon, an electrical connecting terminal provided on a surface forming a specific angle crossed with the surface and a rotation center portion in attachment and detachment relative to the mounting means of the recording head, the center axis of the rotation center portion is substantially parallel to the surface where the discharge port is provided and the surface where the connecting terminal is provided, with its position being made on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided and outside the range where the discharge port is provided, and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided, further having a positioning means provided between the discharge port and the connecting terminal, and mounting means having a member engaged with the positioning member for mounting the recording head.
Claim 53
Dependent Claim
190 words
An ink jet recording device having an ink jet recording head having a discharge port for discharging ink and an energy generation means for generating energy for discharging ink, wherein the recording head has a surface having the discharge port provided thereon, an electrical connecting terminal provided on a surface forming a specific angle crossed with the surface and a rotation center portion in attachment and detachment relative to the mounting means of the recording head, the center axis of the rotation center portion is substantially parallel to the surface where the discharge port is provided and the surface where the connecting terminal is provided, with its position being made on the side opposed to the connecting terminal with respect to the surface where the discharge port is provided and outside the range where the discharge port is provided, and on the discharge port side relative to the connecting terminal near the surface side where the discharge port is provided, further having a positioning means provided between the discharge port and the connecting terminal, and mounting means having a member engaged with the positioning member for mounting the recording head.
Claim 54
Dependent Claim
90 words
An ink tank integrated type recording head detachable relative to an ink jet recording device, characterized in that the head has an ink discharging portion having an ink discharge port surface protruded forwardly from the ink tank and a positioning portion of the recording portion relative to the recording device, with said positioning portion being positioned inside of the boundary of the space formed by the boundary comprising connection mutually between the ends on the side where the recording portion is positioned and the outer surface of the recording head.
Claim 55
Dependent Claim
90 words
An ink tank integrated type recording head detachable relative to an ink jet recording device, characterized in that the head has an ink discharging portion having an ink discharge port surface protruded forwardly from the ink tank and a positioning portion of the recording portion relative to the recording device, with said positioning portion being positioned inside of the boundary of the space formed by the boundary comprising connection mutually between the ends on the side where the recording portion is positioned and the outer surface of the recording head.
Claim 56
Dependent Claim
39 words
An ink tank integrated type recording head according to Claim 48, wherein said recording head has a base plate adhered to said ink tank by holding said discharging portion, and said positioning portion is provided only on said plate.
Claim 57
Dependent Claim
93 words
An ink tank integrated type recording head detachable relative to the ink jet recording device, characterized in that the head has an ink tank, a recording portion mounted onto the ink tank, said recording portion having an ink discharging portion having an ink discharge port surface, a base plate adhered to the ink tank and a plurality of regions for positioning said recording portion provided on said base plate itself, with said positioning regions being made the positioning portions of the ink tank integrated type to the main body of the recording device.
Claim 58
Dependent Claim
93 words
An ink tank integrated type recording head detachable relative to the ink jet recording device, characterized in that the head has an ink tank, a recording portion mounted onto the ink tank, said recording portion having an ink discharging portion having an ink discharge port surface, a base plate adhered to the ink tank and a plurality of regions for positioning said recording portion provided on said base plate itself, with said positioning regions being made the positioning portions of the ink tank integrated type to the main body of the recording device.
Claim 59
Dependent Claim
50 words
An ink tank integrated type recording head according to Claim 50, wherein the main body of the recording head comprises a molded product, said recording has an electrothermal transducer as the discharging energy generating element, said base plate is formed of a metal to have the function of dissipating heat.
Claim 60
Dependent Claim
33 words
An ink tank integrated type recording head according to Claim 50, which has a projection for aiding positioning onto the main body of said recording device on the extension of said base plate.
Claim 61
Dependent Claim
179 words
An ink tank integrated type recording head detachable to the carriage of an ink jet recording device, characterized in that the head has an electrode portion formed on the concavity side surface of the main body of the recording head, and provided on the mounting means for mounting said main body which receives driving signals from the main body of the device by electrically connecting to the electrical connecting terminal of said mounting means, a positioning portion, which is provided around the recording portion having the ink discharge port surface held integrally with the recording head, for positioning the recording portion of the recording head onto said mounting means through engagement with the receiving portion for positioning on said mounting means, and an impeding portion for impeding electrical connection of the electrode portion with said electrical connecting terminal and also impeding engagement of said positioning portion with said receiving portion for positioning through sliding with said mounting means, said electrical connection and said engagement being made tolerable when said impeding portion becomes a concavo-convex engagement with said mounting means.
Claim 62
Dependent Claim
179 words
An ink tank integrated type recording head detachable to the carriage of an ink jet recording device, characterized in that the head has an electrode portion formed on the concavity side surface of the main body of the recording head, and provided on the mounting means for mounting said main body which receives driving signals from the main body of the device by electrically connecting to the electrical connecting terminal of said mounting means, a positioning portion, which is provided around the recording portion having the ink discharge port surface held integrally with the recording head, for positioning the recording portion of the recording head onto said mounting means through engagement with the receiving portion for positioning on said mounting means, and an impeding portion for impeding electrical connection of the electrode portion with said electrical connecting terminal and also impeding engagement of said positioning portion with said receiving portion for positioning through sliding with said mounting means, said electrical connection and said engagement being made tolerable when said impeding portion becomes a concavo-convex engagement with said mounting means.
Claim 63
Dependent Claim
74 words
An ink tank integrated type recording head according to Claim 53, wherein said recording head has a base plate for holding said recording head, said positioning portion has the first and the second projections located at different positions with respect to the mounting direction of the main body of the recording head, and said recording position is held at a predetermined angle by positioning of said first and second positions onto said mounting means.
Claim 64
Dependent Claim
51 words
An ink tank integrated type recording head according to Claim 53, wherein said recording portion has an electrothermal transducer as the discharge energy generating element, said base plate is formed of a metal to have the function of dissipating heat, and said positioning portion is provided only on said base plate.
Claim 65
Dependent Claim
144 words
A carriage of an ink jet recording device for mounting a detachable ink jet recording head, characterized in that the carriage has a receiving portion for receiving the positioning on the recording portion side provided on said recording head, a protruded portion for electrode inserted into the concavity of said recording head and equipped with an electrical connecting terminal to be connected electrically to the electrode portion within the concavity, a sliding portion which inhibits engagement of the positioning portion with the receiving portion for positioning and also impeding electrical connection by sliding relatively with said recording head for mounting of said recording head, an engaging receiving portion which affords engagement of the positioning portion with said receiving portion for positioning and electrical connection through concavo-convex engagement with the recording head, and a holding means for maintaining the mounting position of said recording head.
Claim 66
Dependent Claim
144 words
A carriage of an ink jet recording device for mounting a detachable ink jet recording head, characterized in that the carriage has a receiving portion for receiving the positioning on the recording portion side provided on said recording head, a protruded portion for electrode inserted into the concavity of said recording head and equipped with an electrical connecting terminal to be connected electrically to the electrode portion within the concavity, a sliding portion which inhibits engagement of the positioning portion with the receiving portion for positioning and also impeding electrical connection by sliding relatively with said recording head for mounting of said recording head, an engaging receiving portion which affords engagement of the positioning portion with said receiving portion for positioning and electrical connection through concavo-convex engagement with the recording head, and a holding means for maintaining the mounting position of said recording head.
Claim 67
Dependent Claim
45 words
A carriage according to Claim 56, wherien said receiving portion for positioning and said electrical connecting member are adapted so as to act urging forces with different directions to said positioning portion and said electrode portion, respectively, under the mounted state of said recording head.
Claim 68
Dependent Claim
71 words
A carriage according to Claim 56, having an elastic portion which impedes temporarily the movement of said recording head relative to the direction in which the concavity of said recording head receiving said projection for electrode, and also acts an elastic force in the direction in which said positioning portion is engaged with said receiving portion for positioning when said recording head is urged in a direction different from said direction.
Claim 69
Dependent Claim
48 words
A carriage according to Claim 58, wherein said holding means has an operation lever for aiding mounting to perform said urging, and said operation lever has an engaging portion which is engaged with the end of said recording head to permit it to move in said different direction.
Claim 70
Dependent Claim
69 words
A carriage according to Claim 59, wherein said operation lever is positioned at the extended portion in the arrangement direction of said positioning portion and said electrode of said recording head to be mounted, and has an engaging portion which holds said recording head at a predetermined position through engagement with the projection provided on the opposite side to the portion of said recording where said positioning portion exists.
Claim 71
Dependent Claim
53 words
A carriage according to Claim 58, wherein said elastic portion has the function of engaging the relative sliding portion on the side of said recording head through its elastic force, and said holding means has a second elastic portion which maintains the concavo-convex engagement by imparting elastic force to said relative sliding portion.
Claim 72
Dependent Claim
155 words
An ink jet recording device equipped with a cap for covering over the ink discharge port of the head through adhesion to an ink jet recording head, characterized in that the device has a carriage having a mounting position for mounting the ink jet recording head at the position opposed to the above cap, a guide portion for guiding the carriage while maintaining a gap between the cap and the recording portion having the ink discharge port arranged thereon in mounting the ink jet recording head onto the carriage in said position, a concavo-covex engaging portion to the cartridge existing on the extended line from the guide portion which affords adhesion of the recording portion to the cap substantially simultaneously with mounting of the recording head on the recording head positioning region of the carriage, and a recording head holding means equipped with an elastic portion which ensures concavo-convex engagement by imparting an elastic force.
Claim 73
Dependent Claim
155 words
An ink jet recording device equipped with a cap for covering over the ink discharge port of the head through adhesion to an ink jet recording head, characterized in that the device has a carriage having a mounting position for mounting the ink jet recording head at the position opposed to the above cap, a guide portion for guiding the carriage while maintaining a gap between the cap and the recording portion having the ink discharge port arranged thereon in mounting the ink jet recording head onto the carriage in said position, a concavo-covex engaging portion to the cartridge existing on the extended line from the guide portion which affords adhesion of the recording portion to the cap substantially simultaneously with mounting of the recording head on the recording head positioning region of the carriage, and a recording head holding means equipped with an elastic portion which ensures concavo-convex engagement by imparting an elastic force.
Claim 74
Dependent Claim
87 words
An ink jet recording device according to Claim 62, wherein said recording head holding means has an operation lever for aiding mounting of said recording head, said elastic portion is provided at the site which impedes the movement of said recording head to the positioning region, said operation lever imparts urging force for moving said recording head toward the cap, and affords the movement of said recording head by elastic deformation of said elastic portion corresponding to the movement of said recording head by said urging force.
Claim 75
Dependent Claim
92 words
An ink jet recording device according to Claim 62, wherein said carriage has an electrical connecting terminal provided by projection for joining by progressing into the concavity provided in said concavity, said the electrode portion provided in said concavity, said guide portion guides said electrode portion under electrically aparted state relative to said electrical connecting terminal, said concavo-convex engaging portion affords substantially simultaneously mounting of said recording head onto said positioning region, adhesion of said cap to said recording portion and electrical connection of said electrical connecting terminal to said electrode portion.
Claim 76
Dependent Claim
78 words
An ink jet recording device according to Claim 62, wherein said holding means impedes temporarily the movement of said recording head relative to the direction in which the concavity of said recording head receiving said projection for electrode, and also has an elastic portion which acts elastic force in the direction in which said positioning portion is engaged with said receiving portion for positioning when said recording head is urged in the cap direction different from said direction.
Claim 77
Dependent Claim
48 words
An ink jet recording device according to Claim 65, wherein said holding means has an operation lever for aiding mounting to perform said urging, and said operation lever has an engaging portion which moves said recording head in said different cap direction through engagement with the end thereof.
Claim 78
Dependent Claim
74 words
An ink jet recording device according to Claim 66, wherein said operation lever is positioned at the extended portion in the arrangement direction of said positioning portion of said recording head to be mounted and said electrode portion, and has an engaging portion which holds said recording head at a predetermined position by engagement with the projection provided on the opposite side to the portion of said recording head where said positioning portion exists.
Claim 79
Dependent Claim
95 words
An ink jet recording arrangement of the kind which includes a recording head which is detachably connectable to a carriage, the head and the carriage having electrical contacts which are brought together when the head is in its operative position on the carriage characterised in that the arrangement for mounting the head on the carriage is such that movement of the head into its operative position on the carriage involves pivotal and a small amount of translational movement whereby the latter movement slides the aforesaid electrical contacts in contact with one another to clean them.
Claim 80
Dependent Claim
95 words
An ink jet recording arrangement of the kind which includes a recording head which is detachably connectable to a carriage, the head and the carriage having electrical contacts which are brought together when the head is in its operative position on the carriage characterised in that the arrangement for mounting the head on the carriage is such that movement of the head into its operative position on the carriage involves pivotal and a small amount of translational movement whereby the latter movement slides the aforesaid electrical contacts in contact with one another to clean them.
References Cited (Backward Citations)
No citation records indexed.
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