CN1319748C

CN1319748C - Printing box with air filter

Info

Publication number: CN1319748C
Application number: CNB2004100985086A
Authority: CN
Inventors: 卡·西尔弗布鲁克; 托比·艾伦·金; 盖瑞·罗蒙德·杰克逊
Original assignee: Silverbrook Research Pty Ltd
Current assignee: Silverbrook Research Pty Ltd
Priority date: 2000-12-29
Filing date: 2000-06-30
Publication date: 2007-06-06
Anticipated expiration: 2020-06-30
Also published as: CN1454153A; CN1191940C; CN1618614A

Abstract

The present invention relates to a printing box for a printer, which comprises a housing comprising a cylindrical body. The cylindrical body is provided with a hollow cavity, and an ink supply device is arranged in the hollow cavity. A printing medium supply device is rotatablely installed relatively to the cylindrical body.

Description

The print cartridge that has ink and print media feeding mechanism

Technical field

The present invention relates to a kind of print cartridge, or rather, relate to the print cartridge on a kind of digital camera that is used to have instant printing function.

Background technology

Increasing consumer likes coming document image with digital camera.But use digital camera also to have the problem of a trouble: just image be printed needs and this digital camera is connected on the computer just can prints.The sequence number of this application in the patent application bulletin is 09/112,783, date of application is on July 10th, 1998, and name is called " medium is around the ink and the print media cartridge of storing up on the ink cylinder ", and this patent application provides a kind of removable print cartridge for digital camera.

What this digital camera used is page width printing head, and " page width " is meant that printhead once prints delegation on print media, and at print media during through printhead, printhead does not laterally slide or rasterisation on print media.

Printhead in considering has now used a kind of nozzle guard, by it ink droplet is sprayed earlier and falls on the print media then.Necessarily chip can not be arranged in nozzle guard and the printhead, thereby adopt the method for blowing to avoid dirt to remain in nozzle guard or printhead place to nozzle guard.

After the print media in the print cartridge and ink use up, print cartridge will be changed.The air that is transported to nozzle guard and printhead also must guarantee cleaning, thereby must be filtered air, if use an independent special air filter, then should guarantee the durability of this air cleaner, does not need frequent replacing.

Summary of the invention

The object of the present invention is to provide a kind of print cartridge, thereby it combines ink supply unit and the print media feeding mechanism obtains modular cramped construction, this print cartridge can use with instant printing type digital camera.

For this reason, the invention provides a kind of print cartridge, it comprises:

Shell;

Be positioned at the cylindric body of described shell, described cylindric body is provided with a cavity;

Be located at the ink supply unit in the described cavity; And,

The print media feeding mechanism of rotatably installing with respect to described cylindric body,

Wherein: described cavity is divided into a plurality of rooms, and each room comprises dissimilar inks; Described cavity seals by an end cap at first end of room, and second end is by the sealing device sealing that can pierce through; One sealing device slidably is placed in first end of described cylindric body, and described sealing device is made of colloidal material; And in use, when ink was extracted out from room, described sealing device slided into its second end from first end of described cylindric body.

Print cartridge of the present invention is combined with ink supply unit box print media feeding mechanism, has realized modular cramped construction, can use with instant printing type digital camera.

Description of drawings

Present invention is described below in conjunction with example and accompanying drawing.Wherein:

Fig. 1 is the 3-D view of the print cartridge of drafting according to the present invention;

Fig. 2 is the three-dimensional section view of this print cartridge;

Fig. 3 is the three-dimensional, exploded view of this print cartridge;

Fig. 4 is the three-dimensional, exploded view of the ink cartridge of this print cartridge part of formation;

Fig. 5 is the 3-D view of the air cleaner of this print cartridge.

The specific embodiment

In the accompanying drawings, Reference numeral 10 is often referred to print cartridge 10, and the print cartridge 10 among the present invention has an ink cartridge 12.

Print cartridge 10 has a shell 14, can clearerly see in Fig. 2: this shell 14 is made of a upper molding 16 and a lower molding 18, molded item 16 with molded item 18 usefulness clips 20 clampings be in the same place.Shell 14 cards have a label 22, and this makes print cartridge 10 seem more attractive in appearance, and also are printed on the user on the label 22 and use print cartridge 10 needed information.

Shell 14 has a cavity 24, and ink cartridge 12 is just laid and is fixed therein.

The feeding mechanism 26 of print media also in the cavity 24 that shell 14 constitutes, the diaphragm/medium that is a circumvolution on the volume frame 28, volume frame 28 is placed in the ink cartridge top, can slide and can rotate as axle.

As shown in Figure 2, when upper molding 16 and lower molding 18 lump together, reserved an exit slit 32, one side the sending thus of paper 34.

A roll wheel assembly 36 is arranged on the print cartridge 10, and its function is with its flattening and drive paper 34 by slit 32 when paper 34 is sent in 30 by volume.This roll wheel assembly 36 is made up of an active roller 38 and two return idlers 40, and return idler 40 is rotatably installed in by on the pillar of paying on the lower molding base plate 44 42.Moving of return idler 40 and active roller 38 common traction paper, and speed and the position of control when sending by shell 14.Return idler 40 is injection moldings of being made by the synthetic plastic (as polystyrene) that is suitable for, and is same, and upper molding 16 and lower molding 18 also are the molded items made from the plastics (for example polystyrene) that are suitable for.

There is a driving shaft 46 to hang between two recesses 48 reserving on the upper molding 16 of shell 14 and the lower molding 18 respectively and 50 on the active roller 38, can rotates.The other end 52 of active roller 38 is connected on the upper molding 16 of shell 14 and the corresponding construction spare on the lower molding 18 (not showing), can rotate.

Active roller 38 is quadric injection mould molded items, and top axle 46 is to be made by the polystyrene material of high impact, has a bearing arrangement on the axle 46, and the roller portion 54 of bearing arrangement is made by elasticity measurement material or rubber.Roller portion 54 is fitted on the paper 34, when paper 34 is sent from print cartridge 10, plays the effect that prevents that paper 34 from skidding.

End by the active roller 38 that stretches out on the shell 14 has an engaging mechanism, this is a cross device 56 (as shown in Figure 1), and this device drives interface (not showing) interlock with the gear drive that the equipment (for example camera) that uses this print cartridge 10 is gone up print head assembly.Can make to the print speed of printhead paper feeding speed and printhead synchronously by this cross device, on paper 34, accurately print guaranteeing.

The right cylindrical container 58 that an extrusion modling is arranged on the ink cartridge 12, it is to be crushed to by the synthetic plastic (for example polystyrene) that is suitable for.

In a preferred embodiment of the invention, the printhead that is used with print cartridge 10 is color print head normally, correspondingly, container 58 also is divided into a plurality of (4 more precisely) compartments or storage lattice 60 are deposited the ink of a kind of color or type in each storage lattice 60.Be the ink of in each storage lattice, depositing cyan, magenta, yellow and black in one embodiment, be in three storage lattice 60, to deposit cyan, magenta and yellow ink separately in another embodiment, and in the 4th storage lattice 60, deposit the ink that another kind can only can be seen under infrared spectrum.

Can clearerly see in Fig. 3 and Fig. 4: an end of container 58 is sealed by an end cap 62, has reserved a plurality of perforates 64 on end cap 62, communicates with each storage lattice 60 respectively, and is constant with the air pressure that keeps respectively storing in the lattice 60 in the container 58.

That end that has end cap 62 on the container 58 is equipped with a sealing device 66, each storage all has the bead 68 of this quadrant post shapes of being made by the colloid substance material in lattice 60, the colloid substance material that is used to make bead 68 is a kind of compound of being made by thermoplastic rubber and hydrocarbon, and hydrocarbon is a kind of mineral oil of white.The thermoplastic rubber is a kind of copolymer, and it makes mineral oil have enough rigidity, therefore can make bead 68 keep shape invariance under normal operating temperature, and at this moment bead can slide in storage lattice 60.A kind of trade mark that the Shell Oil Company sell just can meet the requirements for the thermoplastic rubber of " Kraton ", this different amount Molecularly Imprinted Polymer will reach certain content in compound just can make each bead present gelatinous form, according to the type difference of using, the content of this different amount Molecularly Imprinted Polymer is about 3% to 20% of gross mass usually.

During use, compound heating so that its liquefy, behind the ink of the particular types of packing into, is injected each storage lattice 60 with the compound of molten state in each storage lattice 60, leave standstill then, make it form bead 68.The air pressure of bead 68 back is just in the face of the air pressure of end cap 62 those ends, when ink from store lattice 60 during rollback, the bead 68 of guaranteeing to have self-lubricating property slides to the other end of container 58.When container was squeezed, bead 68 played and stops ink to pour out and prevent to store ink in the lattice 60 from container to sneak into dirt and prevent to store functions such as ink evaporate to dryness in the lattice 60.Bead 68 is hydrophobicities, and it can also prevent to store lattice 60 ink inside generation seepages.

The other end of container 58 is sealed by an ink collar molding 70. and the dividing plate 72 that is positioned on the molded item 70 has an elastic packing molded item 74.A plurality of sealing curtains 76 are arranged in the molded item 74 of hydrophobicity, a slotted opening 78 is arranged, so that the tubule that is complementary therewith on the print head assembly (not showing) can insert in the slotted opening 78 and touch liquid in the storage lattice 60 that leave container 58 on each sealing curtain 76.Stretch out the projection 80 of a plurality of hollows at the another side of ink collar molding 70, merge on its corresponding storage lattice 60 of the shape of these projections 80 and insert into the inner, be used for the ink collar molding of positioning vessel 58 ends.

Turn one's head Fig. 3, ink collar molding 70 is placed corresponding position, reserved a fenestella 84 that has four blades on this fascia molding 82, pass it and can touch elastic packing molded item 74 with a carrier or fascia molding 82.Fascia molding 82 is placed between the upper molding 16 and lower molding 18 of shell 14.Fascia molding 82 and connecting plate 86 and 88 stretch out from the upper molding 16 of shell 14 and the inner surface of lower molding 18 respectively, have formed a space 90, place air cleaner 92 in this space, can locate with molded item 82.This air cleaner 92 and print head assembly collaborative work are blown to the nozzle guard of print head assembly, with the impurity on the nozzle clearing backplate.Air is by a tubule (not showing) suction that is positioned at an air inlet 94 on the fascia molding 82, and via air cleaner 92 to reach the purpose of filtration.

Can see air cleaner 92 in more detail in Fig. 5, filter medium 102 is arranged in the filter 92, this filter medium 102 is that raw material is made with synthetic fibers, and is made into to have the shape of groove, reaches better filter effect to increase surface area.Except the filter medium 102 of papery, also can adopt other fibrous batt.

Filter medium 102 is arranged in a tube 104, and tube 104 has a base molding 106 and a lid 108, for this being put into the space 90 of shell 14, so the profile of tube is made the semicircular or the shape of a hoof.Therefore, two relative terminations 110 are arranged on this, all reserve an air inlet 112 on each termination 110.

On lid 108, reserve a gas outlet 114, this mouth seals with a film or diaphragm 116 at first, behind the relevant position in filter 92 is packed space 90 into, the mouth 94 on the fascia molding 82 is aimed in gas outlet 114, tubule on the print head assembly pierces through film 116, then via filter 92 extracting airs, the printhead of purge nozzle guard and print head assembly then.

Have locating

formation

118 and 120 on the base molding 106, the filter medium 102 in can positioning tube 104.Locating formation 118 is a plurality of tubules 122, and locating formation 120 is a plurality of ribs that engage with the termination 124 of filter medium 102.

After filter medium 102 is placed in relevant position on the base molding 106, with ultrasonic bonding or similarly method lid 108 is installed on the base molding 106.

After assembling what a print cartridge 10, be attached to the outer end of fascia molding 82 with a film or film 96, with sealing fenestella 84, during use, this film or film 96 are pierced through by tubule.Film 96 can prevent that chip from entering into ink reservoir 60.

An identification chip 98 is equipped with at opening 100 places on the fascia molding 82, carries out recognition function by it, and print head assembly and identification chip 98 carry out interrogate, with really appoint print cartridge 10 whether be applicable to equipment print head assembly and also with its compatibility.

Those skilled in the art can know and do not deviating under the preceding topic of marrow of the present invention and protection domain, can carry out various changes and/or modification to the embodiment that provides.Thereby, no matter from which aspect, all the embodiment that provides now should be considered as illustrative and non-limiting.

Claims

1, a kind of print cartridge, it comprises:

A shell;

A cylindric body that is positioned at described shell, described cylindric body is provided with a cavity;

An ink supply unit of being located in the described cavity; And,

A print media feeding mechanism of rotatably installing with respect to described cylindric body,

2, print cartridge as claimed in claim 1 is characterized in that, described print media feeding mechanism makes the assembly of described print media feeding mechanism and coil holder be contained in described cylindric body top slidably on a coil holder.

3, print cartridge as claimed in claim 1 is characterized in that, each room extends to second end by first end.

4, print cartridge as claimed in claim 3 is characterized in that, the described sealing device that pierces through pierces through by the pin on the print head assembly of being located in the printer, makes the described sealing device that pierces through can prevent that chip from entering each room.

5, print cartridge as claimed in claim 1 is characterized in that, described end cap has a plurality of openings, and each opening and a corresponding room are complementary, and makes described in use print cartridge keep atmospheric pressure at first end of cylindric body.

6, print cartridge as claimed in claim 1 is characterized in that, in use, atmospheric pressure promotes described sealing device and slides into its second end from first end of cylindric body.

7, print cartridge as claimed in claim 6 is characterized in that, described sealing device is self-lubricating.

8, print cartridge as claimed in claim 1 is characterized in that, described print cartridge comprises the recognition device of an identification chip form, and wherein, in use, print head assembly is inquired described identification chip, to guarantee the compatibility of print cartridge and print head assembly.

9, print cartridge as claimed in claim 1 is characterized in that, described print cartridge comprises a filter that is arranged in the described shell, is used to filter the air that will supply to print head assembly, and described print head assembly is equipped with printhead in use.

10, print cartridge as claimed in claim 1 is characterized in that, described shell is provided with a slit, during use, sends print media by this slit.

11, print cartridge as claimed in claim 10, it is characterized in that, described print cartridge comprises that one flattens and drive unit, be used for print media being flattened when described print media feeding mechanism is presented print media, and being used to drive the slit of described print media by described shell, described flattening and drive unit are positioned between described print media and the described slit.

12, print cartridge as claimed in claim 11, it is characterized in that, described flattening and drive unit comprise a roll wheel assembly, described roll wheel assembly has an active roller and at least one idle pulley, described active roller is by the mechanism controls of a control print head assembly, so that moving with printing thereon of print media is synchronous.

13, print cartridge as claimed in claim 12 is characterized in that, described active roller has anti-skidding supporting arrangement, and described anti-skidding supporting arrangement is supported on print media to prevent print media skidding when shell is sent.