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US 5,359,357 AGranted
Ink-jet recording apparatus
AssigneeFuji Xerox Co., Ltd.
InventorsJun Takagi, Tatsuhiro Ishize, Hisayuki Kinoshita
Life of this patent
Estimating the term…
Abstract
In an ink-jet recording apparatus, a replacement of a head carriage can be readily performed within a short time, and when the head cartridge is mounted on the head carriage, the mounting position is fixed. A head cartridge K arranged by a head supporting member F and an ink-jet recording head H includes an unloosen preventing member 55c. The head carriage C has a depression means 37 for depressing along a predetermined direction the head cartridge K under such a condition that the head cartridge is mounted on a head supporting member mounting portion 32, and also a loosen preventing member 35 engaged with the unloosen preventing member 55c when being depressed.
Claims43
An ink-jet recording apparatus comprising:
- an ink joint;
- a head chip in which a plurality of ink exhausting outlets are formed;
- an ink-jet recording head having a transfer fluid chamber for communicating an inside of the ink joint with said plurality of ink exhausting outlets;
- a head carriage on which said ink-jet recording head is mounted;
- and
- a capping unit having a capping member which is abutted to a tip portion of said ink-jet recording head mounted on said head carriage during a nonprinting operation so as to seal said ink exhausting ports, thereby avoiding dries of ink, and for abutting and separating said capping member with respect to said ink-jet recording head;
- wherein
- a bubble ventilation port is provided on said ink-jet recording head, said bubble ventilation port being communicated with an upper portion of said opened along the same direction of said ink exhausting outlets;
- an opening/closing valve changing between a closing state and an opening state is provided between said transfer fluid chamber and said bubble ventilation port;
- and
- a suction nozzle is arranged in such a manner that said suction nozzle is abutted to, and is operated from said bubble ventilation port.
8 more elements
An ink-jet recording apparatus comprising:
- an ink joint;
- a head chip having a plurality of ink exhausting outlets;
- a transfer fluid chamber for communicating an inside of the ink joint with said plurality of ink exhausting outlets;
- a bubble ventilation port for communicating with an upper portion of said transfer fluid chamber, and for being opened along the said direction of said ink exhausting outlets;
- and
- an opening/closing valve changing between a closing state and an opening state, provided between said transfer fluid chamber and said bubble ventilation port.
3 more elements
An ink-jet recording apparatus comprising:
- a head cartridge including a head supporting member in which an ink tank and an ink joint communicatable with said ink tank are provided, a head chip having a plurality of ink exhausting outlets, and ink-jet recording head arranged by an ink supply path for communicating said plurality of ink exhausting outlets with an inside of said ink joint;
- and
- a head carriage reciprocated along a main scanning direction and to which said head cartridge is detachably mounted;
- wherein a joint connection member for connecting with the ink joint of the head cartridge under such a condition that said head cartridge is mounted, is provided on said head carriage;
- said joint connecting member is connected via a flexible ink supplying tube to the ink tank;
- at least one of junction portions of said ink joint and said joint connecting member is displaceable;
- and
- a junction portion between a deformable elastic characteristic applying portion with a thin thickness and a tip portion thereof is integrally formed.
5 more elements
An ink-jet recording apparatus comprising:
- a head cartridge including a head supporting member in which there is provided an ink joint connected when being depressed to a joint connection member communicated with an ink tank and disconnected when being separated from the joint connection member, a head chip having a plurality of ink exhausting outlets, and ink-jet recording head arranged by an ink supply path for communicating said plurality of ink exhausting outlets with an inside of said ink joint;
- and
- a head carriage reciprocated along a main scanning direction and to which said head cartridge is detachably 5 mounted;
- wherein said head supporting member is constructed of a case having a lower portion, the shape of which is substantially rectangular, as viewed in a sectional view and also said ink- jet, recording head is fixed to an inside of said head supporting member;
- said ink exhausting outlets are provided on either a lower end surface, or a rear end surface of said head cartridge;
- a supported projecting member is provided on a side surface of said head cartridge;
- a cartridge mounting hole whose sectional view is rectangular and into which a lower portion of said head cartridge is inserted from an upper portion, is formed on the head carriage, and a cartridge mounting portion for supporting said supported projecting member along a forward/backward direction under movable state is formed on a side surface of said cartridge mounting hole;
- a depression member for depressing backwardly said head cartridge supported by said supported projecting member is provided on said cartridge mounting portion;
- a means for blocking an upward movement of said head cartridge from said cartridge mounting hole when the head cartridge for supporting said supported projecting member is depressed to be moved backwardly by said depression member and the cartridge mounting condition is established, is formed on said cartridge mounting portion;
- a mounting-condition holding means for holding a position of said depression member under said cartridge mounting condition is provided;
- a cartridge front/rear-direction positioning means for positioning said head cartridge along the front/rear direction under such a cartridge mounting condition that said unloosen preventing member is engaged with a loosen preventing member, is provided between a rear surface of said cartridge mounting hole and a rear surface of said head cartridge;
- and
- a cartridge left/right-direction positioning means for positioning said head cartridge along a left/right direction under such a cartridge mounting condition that said unloosen preventing member is engaged with said loosen preventing member, is provided between each of left/right side surfaces of said cartridge mounting hole and each of left/right side surfaces of said head cartridge.
10 more elements
An ink-jet recording apparatus comprising:
- a head cartridge including a head supporting member in which there is provided an ink joint connected when being depressed to a joint connection member communicated with an ink tank and disconnected when being separated from the joint connection member, a head chip having a plurality of ink exhausting outlets, and ink-jet recording head arranged by an ink supply path for communicating said plurality of ink exhausting outlets with an inside of said ink joint;
- and
- a head carriage reciprocated along a main scanning direction and to which said head cartridge is detachably mounted;
- wherein a head supporting member of said head cartridge is arranged by:
- head insertion holes into which a yellow ink-jet recording head, a magenta ink-jet recording head, and a cyan ink-jet recording head are inserted, respectively, from which 3 different color ink of yellow, magenta, and cyan is jetted;
- and
- head positioning members for positioning said ink-jet recording heads to be fixed into said head insertion holes;
- said head cartridge has ink joints communicated with insides of the head chips for said three ink-jet recording heads;
- a lower portion of said head cartridge is made of a rectangular shape as viewed in a sectional direction, and supported projecting members are provided on the respective right/left side surface of said head cartridge;
- a cartridge mounting hole whose sectional view is rectangular and into which a lower portion of said head cartridge is inserted from an upper portion, is formed on the head carriage, and a cartridge mounting portion for supporting said supported projecting member along a forward/backward direction under movable state is formed on a side surface of said cartridge mounting hole;
- a depression member for depressing backwardly said head cartridge supported by said supported projecting member is provided on said cartridge mounting portion;
- and
- a means for blocking an upward movement of said head cartridge from said cartridge mounting hole when the head cartridge for supporting said supported projecting member is depressed to be moved backwardly by said depression member, and the cartridge mounting condition is established, is formed on said cartridge mounting portion.
10 more elements
An ink-jet recording apparatus comprising:
- a head cartridge including a head supporting member in which there is provided an ink joint connected when being depressed to a joint connection member communicated with an ink tank and disconnected when being separated from the joint connection member, a head chip having a plurality of ink exhausting outlets, and ink-jet recording head arranged by an ink supply path for communicating said plurality of ink exhausting outlets with an inside of said ink joint;
- wherein a head supporting member of said head cartridge is arranged by:
- head insertion holes into which a yellow ink-jet recording head, a magenta ink-jet recording head, and a cyan ink-jet recording head are inserted, respectively, from which 3 different color ink of yellow, magenta, and cyan is jetted;
- and
- head positioning members for positioning said ink-jet recording heads to be fixed into said head insertion holes;
- said head cartridge has ink joints communicated with inside of the head chips for said three ink-jet recording heads;
- and
- a lower portion of said head cartridge is made of a rectangular shape as viewed in a sectional direction;
- and supported projecting members are provided on the respective right/left side surfaces of said head cartridge.
6 more elements
An ink-jet recording apparatus comprising:
- a head cartridge including a head supporting member in which an ink tank and an ink joint communicatable with said ink tank are provided, a head chip having a plurality of ink exhausting outlets, and ink-jet recording head arranged by an ink supply path for communicating said plurality of ink exhausting outlets with an inside of said ink joint;
- and
- a head carriage reciprocated along a main scanning direction and to which said head cartridge is detachably mounted;
- wherein a head supporting member of said head cartridge is detachably arranged with said ink tank;
- both of a stopped member and a joint connection member are provided at said ink tank;
- said ink joint of said head supporting member is so constructed that when said ink tank is depressed to said ink joint, said ink joint is connected to said joint connection member, and when said ink tank is removed from said head supporting member, said ink joint is separated from said joint connection member;
- said head supporting member has a stopping member engageable with said stopped member of the ink tank under such a condition that said ink tank is mounted, and said stopping member can be readily engaged with and also separated from said stopped member.
4 more elements
A head cartridge comprising:
- a head supporting member having a holder bottom wall slidably supported by a head supporting member mounting portion of a head carriage of an ink-jet recording apparatus and on which an ink joint is formed, a holder side wall for guiding an ink tank inserted toward said holder bottom wall to said bottom wall, and an unloosen preventing member detachably engaged with a loosen preventing member for the head carriage when said holder bottom wall is slid on the head supporting member mounting portion, and arranged by a tank holder detachably holding the ink tank;
- and
- an ink-jet recording head arranged by a head chip with a plurality of ink exhausting outlets and an ink supplying path for communicating said plurality of ink exhausting outlets with an inside of said ink joint;
- wherein a stopping member for stopping a stopped member of the ink tank when the ink tank is mounted is provided on said head supporting member;
- and
- said ink joint formed on said holder bottom wall is so constructed that when said ink tank is mounted on said supporting member, said ink joint is communicatable with the inside of said ink tank.
3 more elements
An ink tank detachably connected to a head supporting member of a head cartridge mounted on a head carriage of an ink-jet recording apparatus, comprising:
- a tank case for storing therein a porous ink holding body for absorbing ink and having side wall guided along a holder side wall of said head supporting member;
- a stopped member provided at a side surface of said tank case, and stopped by a stopping member of said holder side wall when the ink tank is mounted on said head supporting member;
- and
- a joint connection member connected with the ink joint when being depressed against the ink joint formed on said holder bottom wall, whereby an inside of the ink tank is communicated with an inside of the ink joint, and separated from the ink joint when a tension force along a separation direction from the ink joint is exerted,
- wherein said stopped member of the side wall of said tank case is a projection stopped to a stopping hole formed on said holder side wall as a stopping member.
2 more elements
Dependencies are inferred from the claim text.