Patent EP0546832A2 successfully refreshed from Google Patents.
EP0546832A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Carriage for ink jet recording apparatus
Assignee: Canon Inc
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Filing: 1992-12-10
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Granted: —
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Expires: 2012-12-10
Abstract
Abstract An ink jet recording apparatus comprises an ink tank (2) containing ink; a recording head (1) for performing recording by selectively ejecting ink; a mounting portion for mounting the ink tank and the recording head; a liquid passage (10) coupling portion provided on either or both of the ink tank (2) and the recording head (1) for separating or connecting the ink passages in the ink tank and the recording head; a holding portion provided on either or both of the ink tank (2) and recording head (1) for guiding the ink tank (2) to the recording head (1) in order to hold them separably; and an electrically or mechanically connecting portion provided on either or both of the recording head and mounting portion for electrically or mechanically connecting the recording head (1) to or separating it from the mounting portion.
Inventors
- 👤 Yoshio C/O Canon Kabushiki Kaisha Uchikata
- 👤 Yoshifumi C/O Canon Kabushiki Kaisha Hattori
- 👤 Yoji c/o Canon Kabushiki Kaisha Ara
- 👤 Masashi C/O Canon Kabushiki Kaisha Kitani
- 👤 Etsurou c/o Canon Kabushiki Kaisha Suzuki
- 👤 Toshihide C/O Canon Kabushiki Kaisha Wada
- 👤 Hiromitsu C/O Canon Kabushiki Kaisha Hirabayashi
- 👤 Hideo C/O Canon Kabushiki Kaisha Saikawa
- 👤 Masami C/O Canon Kabushiki Kaisha Kojima
- 👤 Tadashi C/O Canon Kabushiki Kaisha Hanabusa
- 👤 Kenji c/o Canon Kabushiki Kaisha Kawano
- 👤 Koichi C/O Canon Kabushiki Kaisha Tanno
- 👤 Tetsuyo C/O Canon Kabushiki Kaisha Ohashi
- 👤 Toshihiko C/O Canon Kabushiki Kaisha Bekki
- 👤 Kenji c/o Canon Kabushiki Kaisha Aono
- 👤 Masaharu C/O Canon Kabushiki Kaisha Ikado
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 13:08
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/17; B41J2/175; B41J2/17503; B41J2/17553; B41J2/17513; B41J2/1752; B41J2/17566; B41J25/00; B41J25/34
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
157 words
An ink jet recording apparatus comprising: an ink tank containing ink; a recording head for performing recording by selectively ejecting ink; a mounting portion for mounting said ink tank and said recording head; a liquid passage coupling portion provided on either or both of said ink tank and said recording for separating or connecting the ink passages in said ink tank and said recording head; a holding portion provided on either or both of said ink tank and said recording head for guiding said ink tank to said recording head to hold them separably; an electrically connecting portion provided on either or both of said recording head and said mounting portion for electrically connecting said recording head to or separating it from said mounting portion; and a mechanically connecting portion provided on either or both of said recording head and said mounting portion for mechanically connecting said recording head to or separating it from said mounting portion.
Claim 2
Dependent Claim
22 words
An ink jet recording apparatus according to Claim 1, wherein said ink tank can be attached or detached on said mounting portion.
Claim 3
Dependent Claim
29 words
An ink jet recording apparatus according to Claim 1, wherein said ink tank can be attached or detached on said mounting portion only when said recording head is mounted.
Claim 4
Dependent Claim
23 words
An ink jet recording apparatus according to Claim 1, wherein said recording head can be detached only when said ink tank is mounted.
Claim 5
Dependent Claim
25 words
An ink jet recording apparatus according to Claim 1, wherein said recording head can be attached or detached only when said ink tank is mounted.
Claim 6
Dependent Claim
33 words
An ink jet recording apparatus according to Claim 1, wherein said recording head is coupled by pressing said recording head to a carriage capable of shifting said recording head in a given direction.
Claim 7
Dependent Claim
24 words
An ink jet recording apparatus according to Claim 1, wherein said recording head and carriage can be electrically connected by pressing the recording head.
Claim 8
Dependent Claim
25 words
An ink jet recording apparatus according to Claim 1, wherein said ink tank and recording head are mounted on the carriage respectively by separate means.
Claim 9
Dependent Claim
22 words
An ink jet recording apparatus according to Claim 1, wherein said liquid passage coupling portion has at least two different coupling directions.
Claim 10
Dependent Claim
39 words
An ink jet recording apparatus according to Claim 1, wherein said liquid passage coupling portion has at least two different directions, and the coupling direction is varied by the rotation of the periphery of said liquid passage coupling portion.
Claim 11
Dependent Claim
48 words
An ink jet recording apparatus according to Claim 1, wherein said liquid passage coupling portion is provided in at least two locations or more on said recording head, and said ink tank is selectively separated from or coupled to any one of such a location or plural locations.
Claim 12
Dependent Claim
38 words
An ink jet recording apparatus according to Claim 1, wherein a member for attaching or detaching said recording head to or from the carrier and for holding the head on the carrier is arranged on said recording head.
Claim 13
Dependent Claim
39 words
An ink jet recording apparatus according to Claim 1, wherein a member for attaching or detaching said ink tank to or from the carrier and for holding the ink tank on the carrier is arranged on said ink tank.
Claim 14
Dependent Claim
67 words
An ink jet recording apparatus according to Claim 1, wherein an ink tank is held by a recording head, and a member for attaching or detaching said ink tank is arranged on said ink tank to attach or detach said recording head and said ink tank to or from the carrier, and further, a member for holding them on said carrier is arranged on said recording head.
Claim 15
Dependent Claim
29 words
An ink jet recording apparatus according to Claim 1, wherein means for regulating the direction in which said ink tank approaches the recordnig head is provided on said carriage.
Claim 16
Dependent Claim
30 words
An ink jet recording apparatus according to Claim 1, wherein means for regulating the direction in which said ink tank approaches the recording head is provided on said ink tank.
Claim 17
Dependent Claim
32 words
An ink jet recording apparatus according to Claim 1, wherein means for regulating the direction in which said ink tank approaches the recording head is provided on said carriage and ink tank.
Claim 18
Dependent Claim
32 words
An ink jet recording apparatus according to Claim 1, wherein a coupling and positioning portion is provided to indicate whether said recording head and said ink tank are completely coupled or not.
Claim 19
Dependent Claim
45 words
An ink jet recording apparatus according to Claim 1, wherein in the vicinity of said liquid passage coupling portion, any one of or a combination of an absorbent, groove, and hydrophilic or water repellent portion is provided on said mounting portion for preventing ink scattering.
Claim 20
Dependent Claim
45 words
An ink jet recording apparatus according to Claim 1, wherein in the vicinity of said liquid passage coupling portion, any one of or a combination of an absorbent, groove, and hydrophilic or water repellent portion is provided on said recording head for preventing ink scattering.
Claim 21
Dependent Claim
45 words
An ink jet recording apparatus according to Claim 1, wherein in the vicinity of said liquid passage coupling portion, any one of or a combination of a absorbent, groove, and hydrophilic or water repellent portion is provided on said ink tank for preventing ink scattering.
Claim 22
Dependent Claim
53 words
An ink jet recording apparatus according to Claim 1, wherein said apparatus comprises: detecting means for detecting the installation of said ink tank in said ink jet recording apparatus; and controlling means for controlling the recording operation of said ink jet recording apparatus in accordance with the detected results of said detecting means.
Claim 23
Dependent Claim
26 words
An ink jet recording apparatus according to Claim 22, wherein said detecting means also serves to detect the remaining amount of ink is said ink tank.
Claim 24
Dependent Claim
23 words
An ink jet recording apparatus according to Claim 23, wherein indicating means is provided for indicating the results detected by said detecting means.
Claim 25
Dependent Claim
33 words
An ink jet recording apparatus according to Claim 23, wherein said controlling means is structured to disable the recording operation when said ink tank is not installed in said ink jet recording apparatus.
Claim 26
Dependent Claim
36 words
An ink jet recording apparatus according to any one of Claims 1 to 25, wherein said recording head generates bubbles by utilizing thermal energy and eject ink on the basis of the development of said bubbles.
Claim 27
Independent Claim
63 words
A method for installing an ink jet recording head for performing recording on a recording medium, wherein the electrical connection of said recording head is pressed against an electrically connecting portion for mounting a head cartridge to which a recording head and ink tank separable from each other are coupled to enable ink supply, and said recording head is installed on said carriage.
Claim 28
Dependent Claim
45 words
A method for installing an ink jet recording head according to Claim 27, wherein said ink jet recording head ejects ink to perform recording by utilizing film boiling generated by thermal energy generated by electrothermal transducers by energizing said electrothermal transducers in accordance with signals.
Claim 29
Dependent Claim
18 words
A cartridge for ink jet recording apparatus including a detachable recording head connectable directly to an ink cartridge.
References Cited (Backward Citations)
No citation records indexed.
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