CN1076288C

CN1076288C - Automatic paper sensing apparatus for ink jet printer

Info

Publication number: CN1076288C
Application number: CN97111039A
Authority: CN
Inventors: 朴东采
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 1996-05-18
Filing date: 1997-05-16
Publication date: 2001-12-19
Anticipated expiration: 2017-05-16
Also published as: KR970073998A; CN1169373A; KR100186594B1

Abstract

An automatic paper sensing apparatus for an ink jet printer which can supply and print sheets of paper can automatically subsequently sense the existence of paper when a message indicating the absence of paper is generated. A first arm is fixed to the actuator feed in the direction of a separator, a second arm is mounted rotatably around a hinge axis at one side of the separator moved by an adjustable lever so as to interlock slidably with the first arm, the second arm being supported elastically by a tension coil spring fixed at one side thereof to the separator, one side of the actuator feed can be attached and detached to and from an optical sensor by means of the interlocking of the first and second arms.

Description

The automatic paper sensing apparatus that is used for ink-jet printer

The present invention relates to a kind of device of sending to that is used for automatically responding to paper at the black printer of disputing, more precisely, relate to a kind of automatic paper induction installation that is used for ink-jet printer, this printer can be supplied and print paper by the mode of the existence of induction paper when producing paper not in information.

In general, the paper in the ink-jet printer is sent structure to and is divided into two classes: a class is that the dress carton is installed in the rear side of the body of this printer with very little gradient, makes to be contained in plurality of sheets of paper in the box by the printhead conveying of more than ground of a feeding-in roll towards printer; Another kind of type is that bottom that the box of dress paper is installed in printer makes that being placed on plurality of sheets of paper on the paper support plate more than is sent to by a paper pick-up roller so that pass through a feeding-in roll by a guide they are exported towards the printhead of printer.

In carton erectly is contained in ink-jet printer on the rear side of matrix of printer, paper is to be sent to towards being contained in a printer port of printer on the balladeur train by more than ground of a feeding-in roll, print then, simultaneously every a piece of paper all passes through on an axle the reciprocating printer port of printer from a side to opposite side.At this moment, every paper of printing all is sent to one by a feeding-in roll and discharges parts.

Before describing conventional automatic paper sensing apparatus, provide the explanation of the structure of paper pushing part below earlier briefly with reference to Fig. 1 and 2.

Device box 33 is installed in little gradient on the rear side of matrix of printer, and a sheet support part 46 is installed on the dress carton 33, and the one side is flexibly being supported by a compression helical spring 38.The purpose that sheet support part 46 and compression helical spring 38 flexibly are fixed together is by a feeding-in roll 45 plurality of sheets of paper Di to be sent to towards printer port of printer by more than.At this moment, when every paper being sent to by feeding-in roll 45 passed through underframe 37, its front end contacted with an actuator feeding part 34.The carrying capacity of feeding-in roll 45, promptly the lever of feeding-in roll 45 and the frictional force between the paper can cause a side and the paper of paper promotion actuator feeding part 34 to be transported to feeding-in

roll

35,36 by actuator feeding part 34.At the moment, with before an end 34b of actuator feeding part contacts, the other end 34a of this actuator feeding part 34 has been attached on the optical sensor 40 that is connected to a printed circuit board 41 at the front end of paper.On the other hand, when the front end of paper and one are transported to feeding-in roll 35, during one end 34b of an actuator feeding part 34 of 36 contact, the other end 34a of this actuator feeding part 34 just prints with this optical sensor 40 (in Fig. 2 with the parts shown in the dotted line) uncoupling and to paper.

Operation to the paper induction installation describes below.

The paper induction installation comprises 40, one actuator feedings of optical sensor part 34 and a spring (not shown), and it is sensing the direction that relatively rotates of having determined motor after having paper.When paper did not exist or be discharged into the outside, actuator feeding part 34 can interrupt optical sensor 40, makes the paper induction installation to sense and does not have paper.On the contrary, when having paper, optical sensor can cause an end 34b of actuator feeding part 34 to move upward so that this paper induction installation can detect the paper existence.

But,, just plurality of sheets of paper is opened in the paper supply unit of packing into and uniform power makes one to be used to lock adjustable lever of adorning the paper state and to rotate counterclockwise if in print procedure, produce the non-existent information of paper.Then, make this lever rotate restrictedly, just can push a paper supply button of installing independently these paper are printed so that after locking paper at a separator.

In addition, in the paper induction installation of routine, have such problem, if the paper supply button promptly is not installed, the user should print these paper again with power-off and then after opening.

The present invention conceives out for solving above-described FAQs, the purpose of this invention is to provide a kind of automatic paper induction installation that is used for ink-jet printer, this device can be by making an adjustable lever in the mode that does not adopt independently to be activated behind the dress paper under the situation of paper supply button, automatically respond to the state of sending to of paper by the interlocked operation of separator, thereby reduce number of components and parts.

Another object of the present invention provides a kind of automatic paper induction installation that is used for ink-jet printer, this device can be by not adopting the mode that behind the paper of packing under the situation of paper supply button independently an adjustable lever is activated, operate the optical sensor optical pickocff of the state of sending to that is used to respond to paper by the interlocked operation of separator, be convenient to the user whereby printing the moving operation of tractor driver.

Above-mentioned purpose of the present invention and other purposes can realize that this device comprises by an automatic paper induction installation that is used for ink-jet printer is provided: an actuator feeding part that moves according to sending to of paper; One engages with this actuator feeding part according to it and optical pickocff that the situation of uncoupling is operated, is used to respond to the state of sending to of paper; Wherein, a first arm is being fixed on the direction of a separator on the actuator feeding part, one second arm be mounted on a side of the separator that moves by an adjustable lever can around a hinge axes rotate in case with the interlocking slidably of this first arm, this second arm is flexibly being supported by the draft helical spring that an one side is fixed on this separator, and a side of this actuator feeding part can be attached to by the interlocking of first and second arms on this optical pickocff with separated.

By in conjunction with the following detailed description of when considering, carrying out with accompanying drawing, to understand more completely of the present invention, many advantages that it had just can be easier to understand, and wherein same label indicates same or similar parts, wherein:

Fig. 1 is the fragmentary, perspective view of paper induction installation of the ink-jet printer of prior art embodiment;

Fig. 2 is the diagrammatic side view of mode of operation of paper induction installation that the ink-jet printer of prior art embodiments is shown;

Fig. 3 is the automatic paper induction installation of the ink-jet printer in the most preferred embodiment of the present invention;

Fig. 4 A, 4B and 4C are diagrammatic side view, show be used for most preferred embodiment of the present invention the mode of operation of automatic paper induction installation of ink-jet printer.

Now, with reference to the accompanying drawings most preferred embodiment of the present invention is elaborated.In the accompanying drawing, should be noted that all same label or letter will be used for indicating the part identical or equivalence with same function.In the following description, having provided the concrete details of numbering more comprehensively understands of the present invention so that provide.But, for the people who is familiar with prior art, it is evident that, under the situation of the detail that does not have them, also can implement the present invention.The back will be omitted and need not be made the known function that theme of the present invention is beyonded one's depth and the detailed explanation of structure to those.Below the technical term of mentioning function according to the present invention is defined, they can change according to user's purpose, so term should be all the elements definition according to this specification.

Fig. 2 shows the side view according to the mode of operation of the paper induction installation that is used for ink-jet printer of prior art embodiment, and Fig. 3 shows the perspective view according to the part of the automatic paper induction installation that is used for ink-jet printer of most preferred embodiment of the present invention.

Such as shown in figs. 1 and 3, at the automatic paper induction installation that is used for according to ink-jet printer of the present invention, the user applies a uniform power on an adjustable lever 31 rotate lever on the direction of arrow, separator 32 and these adjustable lever 31 interlockings of a routine, the paper supporting member 46 of a dress carton 33 is flexibly being supported by the compression helical spring 38 at the place, bottom that is installed in paper supporting member 46.And, a first arm 1 is being fixed on the direction of this separator 32 on the side of conventional actuator feeding part 34, second arm 2 that is flexibly being supported by a draft helical spring 3 can be rotatably mounted around the hinge axes 3a at a side place of the separator that is moved by an adjustable lever 31, so that with the interlocking slidably of this first arm, one side 34a of this actuator feeding part 34 can be by first and second arms 1,2 interlocking join on this optical pickocff 40 and with its uncoupling, thereby automatically respond to the existence of paper.

The first arm 1 of axle on 42 that is arranged on actuator feeding part 34 has elliptical shape, and an one side has crooked slidingsurface 1a, and feasible when the first arm 1 and second arm 2 interlocking rotationally, the facing surfaces of described first and second arms 1,2 is in contact with one another.Be fixed to second arm 2 on the side of separator 32 and have the shape of right-angle bending, on a side of second arm 2, be formed with a fixing protuberance, make draft helical spring 3 can be installed between the separator 32 and second arm 2.And the opposite side of second arm 2 has crooked slidingsurface 2a, makes that the facing surfaces of described first and second arms 1,2 is in contact with one another when second arm 2 and the first arm 1 interlocking rotationally.

According to said structure, existing 4A in conjunction with the accompanying drawings, 4B and 4C are described in detail the operation of automatic paper induction installation of the present invention.

Like that, when using up because of paper when demonstrating the non-existent information of paper on manual control panel, the user rotates counterclockwise this lever 31 by apply a uniform power on an adjustable lever 31 shown in Fig. 4 A.When rotating counterclockwise an adjustable lever 31 after the user is packing paper into, actuator feeding part 34 just joins on the optical sensor 40.At the moment, optical sensor 40 is stopped by a side 34a of actuator feeding part 34, makes this sensor not work.Then, when user's plurality of sheets of paper of packing into is opened the back when rotating this adjustable lever 31 on direction shown in 4B, uppermost paper just contacts with a feeding-in roll 45, nethermost paper contacts with paper supporting member 46, makes capablely to be applied on the nethermost paper up and the rotation of plurality of sheets of paper by feeding-in roll 45 Di carried towards printer port of printer by more than.

From the explanation of front as can be seen, under the situation that produces the non-existent information of paper, when the user counterclockwise rotates an adjustable lever 31 so that when opening plurality of sheets of paper in the carton 33 of packing into, printer is to be in wait state.Optical sensor 40 is designed to connect/cut out with electric means.Therefore, as top those actions described in the DESCRIPTION OF THE PRIOR ART, promptly when showing the non-existent information of paper, paper is packed into, locking plurality of sheets of paper are opened after rotating this adjustable lever 31, and the action of pushing an action button downwards can be saved, make that when producing the non-existent information of paper the user can automatically respond to paper and whether exists interior and while of carton 33 of paper can being packed into.

To the operation of arm be described below.

When in the carton 33 that paper is packed into, actuator feeding part 34 joins on the optical sensor 40.At the moment, optical sensor 40 is stopped by a side 34a of this actuator feeding part 34, makes it not work.After the user is packing paper into, rotate an adjustable lever 31, be fixed on the side of this separations dress paper 32 second arm 2 with regard to rotationally with an axle 42 that is arranged on this actuator feeding part 34 on the first arm 1 interlocking.Even second arm 2 is flexibly being supported by draft helical spring 3 in a side, make power that a side of this separator flexibly supporting by this draft helical spring 39 than making that a side of second arm 2 is much bigger by the power that draft helical spring 3 is flexibly supporting, so as second arm 2 with an end of second arm 2 is slided when the first arm 1 contacts along the surface of an end of the first arm 1.At the moment, an end of an end of second arm 2 pushing the first arm 1 makes and responds to side 34a and optical sensor 40 disengagings of actuator feeding part 34 paper whereby and whether exist.

As described above, the automatic paper induction installation that is used for inkjet printer head of the present invention has such advantage, promptly by actuator feeding part and the separator that has an arm respectively is provided, and make the interlocking slidably mutually of actuator feeding part and separator, whether the user can automatically sense paper and exist, and is convenient to the user whereby and uses printer easily.

Though most preferred embodiment of the present invention is illustrated and describes,, the people who is familiar with prior art is appreciated that, without departing from the scope of the invention, various variations and change and equivalent example can be replaced with its part.Therefore, the present invention is not the specific embodiment that will be confined to as the pattern that realizes the best that the present invention found out, and on the contrary, the present invention will comprise all alternatives, modification and the modification that falls into appended claims.

Claims

An ink-jet printer be used to respond to the automatic paper induction installation whether paper exists, this device comprises:

An actuator feeding part that moves according to sending to of paper;

One engages and breaks away from the optical sensor of work according to itself and described actuator feeding part, is used to respond to the state of sending to of paper;

Wherein, a first arm is being fixed on the direction of a separator on the described actuator feeding part, one second arm is being rotatably mounted around the hinge axis at a side place of the described separator that is moved by an adjustable lever, so that with the interlocking slidably of described the first arm, described second arm is flexibly being supported by the draft helical spring that an one side is fixed on the described separator, a side of described actuator feeding part can join to by the interlocking of described first and second arms on the described optical sensor and with its disengagement.
2. device as claimed in claim 1 is characterized in that: described the first arm has oval in shape, and described second arm has the shape of right-angle bending.
3. device as claimed in claim 1 is characterized in that: described first and second arms have crooked slidingsurface, make the facing surfaces of described first and second arms to be in contact with one another, the mutual interlocking of described first and second arms.