JPH11321022A - Recording sheet receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate feed-out of sheet at the time that a sheet receiving structure is under oblique state by obtaining driving power of a sheet feed-out power source at a recording sheet receiving section from the driving section of the body of an apparatus. SOLUTION: When a recording sheet receiver is set to receive sheet obliquely, sheet is discharged by the discharge roller 14 of a printer 7 and then fed obliquely upward with the forward end the sheet abutting against the sheet guide 12 of a printer cover unit. Furthermore, the sheet is fed upward and hooked to a sheet feed-out roller 15 and a start roller 16 arranged on a sheet guide 12 so that the rearmost part of the sheet is fed out by the roller 15 and dropped down to a sheet stocker section disposed below. The roller 15 is turned with driving power transmitted from the drive section of the body of apparatus on the printer side through a gear 24 secured to a feed-out roller shaft 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a recording paper (printing paper) receiving device in an information processing apparatus such as a word processor or a printer.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 7-237776 discloses that, by opening and closing an opening / closing cover of a main body, an opening / closing cover of a sheet material feeding device mounted on the main body is automatically opened / closed in conjunction with the opening / closing. An image forming apparatus capable of causing the image forming apparatus to operate is disclosed.

FIG. 16 is a cross-sectional view disclosed in Japanese Patent Application Laid-Open No. 7-237776. The opening / closing cover (opening / closing cover) 204 of the main body device 201 and the conveyance guide (opening / closing cover) 203 of the optional feeder (sheet material feeding device) 202 serve as interlocking opening / closing means. 205 is formed. According to this configuration, when a jam occurs, the transport guide 203 of the optional feeder 202 can also be automatically rotated simply by rotating the open / close lid 204 of the main unit 201 to open and close.

Japanese Utility Model Laid-Open Publication No. 3-36454 discloses an automatic paper feeder for a printer having a structure in which a cover for covering an upper opening of the printer and a front cover for a sheet feeder are integrated. FIG. 17 is a side view disclosed in Japanese Utility Model Laid-Open Publication No. 3-36454. Cover and sheet feeder (102) covering the upper opening of the printer (101)
Cover body (10) integrally formed with the front cover of
4) On both sides of the rear part, bearings (103) are provided on both sides of the cover body and the sheet feeder, and the cover body is supported so as to be able to stand upright and fall down, and is provided at an appropriate position around the bearing section (103) of the cover body. An engaging portion (104a) integral with the cover body is provided on each of the side frame members with an engaging portion integral with the both frame members, and at least one of the engaging portions is provided with an elastic engaging portion (102a).
a), wherein the two engaging portions are arranged so as to be elastically engageable to prevent the cover body (104) from falling forward when the cover body (104) is raised and locked.

Although not disclosed as a similar prior art, NEC's personal word processor JX-35 is used.
In the SA model, the printer cover and the paper tray have an integral structure.

In FIGS. 14 and 15, the built-in printer (61) is a thermal transfer type horizontal printer, and the printed paper (68, 69) is discharged horizontally from the rear part of the main body (60). Paper with weak stiffness such as plain paper is stocked in an obliquely received state. The postcard is ejected by opening the lid (64) of the hole (62a) in the paper receiver 1 (62) while covering the printer, ejecting the postcard, and dropping it on the desk. The hole (62a) is covered when the sheet is obliquely received.

FIG. 14 shows the state of the printer cover and the state of postcard printing. Printer cover is paper tray 1
(62) and paper receiver 2 (63), and fulcrum A (6)
6) the main body (60) and the paper receiver 1 (62) are fitted,
At fulcrum B (67), sheet receiver 1 (62) and sheet receiver 2 (6)
3) can be fitted and bent.

When not in use, cover for postcard discharge hole (64)
Is locked in the paper receiver 1 (62), but released during postcard printing as shown in FIG. Postcard (6
8) Paper feed roller (70) of printer (61)
After printing, the paper is discharged by the bail roller (71) and the ribbon cover (65), and the hole (6
It is discharged out of the main body through 2a).

FIG. 15 shows a state in which the sheet is received obliquely. In the printer cover, the paper receiver 1 (62) and the paper receiver 2 (63) are linearly rotated and fixed at a fulcrum B (67).
At (66), the paper is rotated to the obliquely receiving state. Also, a nail (not shown) is provided from the paper receiver 1 (62) to
0) (not shown) so as to prevent the oblique receiving state from falling further in the horizontal direction.

The post receiving hole (62) of the paper receiver 1 (62)
a) is closed by a lid (64). Paper (plain paper)
(69) is a paper feed roller (7) of the printer (61).
0), and after printing, the paper is ejected by the bail roller (71) and the ribbon cover (65), so that the paper receiver 1
It rises along the surface of (62) and is stocked in the printer cover oblique receiving state.

[0011]

As described above, Japanese Unexamined Patent Publication No. 7-237776 discloses an opening / closing cover for a sheet feeding apparatus mounted on a main body by opening and closing the opening / closing cover of the main body. Is an image forming apparatus that can be automatically opened and closed in conjunction with
JP-A-36454 is an automatic paper feeder for a printer having a structure in which a cover for covering the upper opening of the printer and a front cover for the sheet feeder are integrated, and the printer cover which is the object of the present invention and discharged from the printer. There is no similarity in having a structure in which the sheet receiver is integrated and capable of holding the sheet oblique receiving state and the sheet horizontal receiving state.

Although not disclosed, a similar conventional technology is NEC's personal word processor JX-.
The 35SA printer cover can receive paper diagonally, but does not receive paper horizontally. Or, the postcard passage hole in the printer cover when printing postcards is a postcard width size, so paper with a size larger than a stiff postcard cannot be printed. The paper may hit the cover and cause paper jam.

Further, the horizontal printer can print on various types of paper by utilizing its functions, so that the type of paper is restricted. At the time of postcard printing, the main body cannot be placed at the end of the desk because there is no horizontal paper tray, and the above drawbacks such as the paper tray must be left as a space on the desk.

An object of the present invention is to provide a cover structure that bends to cover a printer when functioning as a printer cover, and a structure that enables oblique reception of paper and horizontal reception of paper when functioning as a paper receiver. By doing so, it is possible to eliminate the restriction on the type of printing paper of the printer, and reduce the installation area by saving the paper obliquely depending on the type of paper. Also, in the case of a horizontal inkjet printer, the printed surface may not be completely dried after printing, and if the paper is skewed, the printed surface may become dirty due to rubbing of the paper. However, horizontally discharging printed paper of A4 or B4 size of plain paper requires a large installation area, and even when placed on a horizontal inkjet printer, it is necessary to obliquely receive printing paper. By adopting a multi-stage structure having a stock section below the sheet carry-out section, it is possible to prevent dirt due to rubbing of the sheet printing surface and to enable oblique sheet reception.

[0015]

According to a first aspect of the present invention, there is provided a recording paper receiving apparatus in which a recording paper receiving portion is formed by a cover of a recording paper discharging port. In addition, a recording paper receiving apparatus is characterized in that a driving force is obtained from a driving section of the apparatus main body.

According to a second aspect of the present invention, in the recording paper receiving apparatus of the first aspect, when functioning as a cover for the recording paper discharge port, the recording paper receiving apparatus is bent so as to cover the apparatus main body and functions as a recording paper receiver. A recording paper receiving device characterized in that the recording paper receiving device is stretched straight at times and receives the recording paper in a flat plate shape.

According to a third aspect of the present invention, there is provided a recording sheet receiving apparatus according to the first aspect, wherein the recording sheet receiving section has a sheet stock section below the recording sheet discharge section when functioning as a recording sheet receiver. It is a paper receiving device.

According to a fourth aspect of the present invention, in the recording paper receiving apparatus according to the first aspect, the center of rotation of the cover of the recording paper discharge port is located on the center of the gear shaft transmitting the driving force for discharging the recording paper from the apparatus main body side. And a recording paper receiving apparatus.

According to a fifth aspect of the present invention, in the recording paper receiving apparatus of the first aspect, the relative positional relationship between the discharge roller of the recording paper receiving portion and the auxiliary roller driven by the roller is such that the sheet is obliquely received. The recording paper receiving apparatus is characterized in that it does not change between the case of (1) and the case of the paper horizontal receiving state.

According to a sixth aspect of the present invention, in the recording paper receiving apparatus of the first aspect, the connection gear position of the drive transmission for the discharge roller of the recording paper receiving portion is located on the side of the recording paper feed motor of the apparatus main body or the recording paper. A recording paper receiving device arranged on a paper discharge gear side.

According to a seventh aspect of the present invention, there is provided the recording paper receiving apparatus according to the first aspect, wherein a drive source gear on the apparatus main body side of the drive transmission for the discharge roller of the recording paper receiving section is for discharging the recording paper of the apparatus main body. And a connecting gear group of the cover portion of the recording paper discharge port is composed of four or more gears.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings, in which a printer printing paper is discharged horizontally from the rear of the printer. Regarding the state of the multi-function printer cover, there are three forms: a printer cover state (A), an oblique sheet receiving state (B), and a horizontal sheet receiving state (C).

FIG. 1 is an external perspective view of the printer cover state, FIG. 2 is a rear external perspective view of a state in which the printer cover is being moved to the oblique sheet receiving position, and FIG. 3 is an external perspective view of the sheet oblique receiving state. It is.

FIG. 4 is an external perspective view of a word processor in use in a state in which the sheet is obliquely received. Paper (4) is keyboard (2)
Put it in the lower paper cassette (5) and put the word processor (1)
The paper is fed horizontally from the cassette to the printer by a paper feeder (not shown) in the main body. The paper also supports a structure in which the paper is manually fed to the printer through the space between the keyboard (2) and the display device (3).

FIG. 5 is a perspective view of the rear surface of the rear end of the word processor when the paper is obliquely received. FIGS. 6, 7, and 8 show the positions of the fulcrum when the printer cover is held in a state. FIG. 6 is a sectional view when the printer cover is in the state (A). The printer cover includes a paper tray a (10) and a paper tray b
(11), in the state (A) of the printer cover, the printer cover is stored as the printer cover, and the paper receiver a (1)
Reference numeral 0) is used as a cover at the rear of the set, and the paper receiver b (11) is used as a cover of the printer (7). The paper receiver b (11) is a fulcrum shaft (10b) of the paper receiver a (10).
And a fulcrum hole (11a) of the paper receiver b, and this shaft can be bent as a fulcrum D (43).

The fulcrum that the multifunctional printer cover rotates when the printer cover is in the state (A) of the printer cover, in the state of receiving the sheet diagonally (B), and in the state of receiving the sheet horizontal (C) is as follows. A fulcrum A (40) of a fitting shaft portion between a fulcrum hole (1a, not shown) and a fulcrum shaft (10a) of the paper receiver a (10), and a fulcrum shaft (1) also provided in the housing.
b, the same as a shaft of an intermediate gear b (22) described later) and a fulcrum B (4) of a paper guide fulcrum hole (12b) fitted with the shaft.
There is a paper guide (1) with two fulcrums of the housing as axes.
By moving the guide pin (12a) of (2) using the guide groove (10c) of the paper receiver a (10) as the movement fulcrum C (42), the state of the printer cover can be rotated to the horizontal.

FIG. 7 is a cross-sectional view in the state (B) of obliquely receiving a sheet. Paper tray a (10) and paper tray b (12)
Has changed from the refracted state in FIG. 6 to a linear state, and is in a paper receiving state. In the case of large paper such as B4, as an extension of the paper tray, the thin plate-shaped paper tray c (13) stored in the paper tray b (12) is rotated to rotate the paper tray b.
It is deployed at the top of (12). (See FIGS. 3 and 12) The position of the printer cover in the oblique receiving state (B) is as follows.
The guide pin (12a) of the paper guide (12) is hooked on the cracked portion of the guide groove (10c) of the paper receiver a (10) to secure the position. In the multifunctional printer cover, since the oblique receiving state of the sheet can be maintained, there is an effect that the installation area can be saved and the sheet can be used as a sheet receiver for printing paper such as an ink jet printer.

FIG. 8 is a cross-sectional view in the paper horizontal receiving state (C).

In the position for receiving the paper horizontally (C), the guide pin (12a) is held at the end of the guide groove (10c). In the printer cover state (A) of FIG. 6, the guide pin (12a) is located at the other end of the guide groove (10c). A state is maintained by forming a lock structure (not shown) with the upper housing (1).
In the above multi-function printer cover, by enabling the rear horizontal holding state of the paper to be held, the restrictions on the type of printing paper can be eased, and the main body can be installed at the end of the desk, which saves space on the desk. There is an effect that can be used.

FIGS. 9, 10 and 11 show a group of gears for the paper carry-out roller. FIG. 9 shows a state in which the paper is horizontally received (C).
FIG. 10 shows a state in which the sheet is obliquely received (B), and FIG. 11 shows a state in which the printer cover is in the state (A). In FIG. 9, the fixed gear a (20) is a paper discharge roller (1) on the printer side.
4) a sheet discharge roller gear fixed to 4);
Intermediate gear a (21), intermediate gear b (22), intermediate gear c
(23), a fixed gear b (24) is a transmission gear group on the printer cover side. Intermediate gear a (21), Intermediate gear b
(22) is provided in the housing (1), and the intermediate gear c (2
3) The fixed gear b (24) is provided on the paper guide (12).

On the printer (7) side, the paper feed motor (25), reduction gears (26, 27), paper feed roller fixed gear c (28), intermediate gear d (29), paper feed fixed gear d (30) , Through the intermediate gear e (31) to the paper discharge roller fixing gear (20).

The gear group on the printer cover side is a fixed gear a
The driving force and the rotation direction information of the roller are received from (20), and the carry-out roller (15) is received via the fixed gear b (24).
Communicate it to The carry-out roller (15) and the star roller (16) convey the paper upward or backward with the paper (4) interposed therebetween.

The center of rotation of the paper guide (12) is the shaft (1b, fulcrum B (41)) of the intermediate gear b (22), and maintains the axial distance between the intermediate gear a (21) and the intermediate gear c (23). However, in the horizontal paper receiving state (C) in FIG. 9, in the oblique paper receiving state (B) in FIG. 10, the printer cover state (A) in FIG. 11 can be moved.

As shown in FIG. 9, the driving force transmission gear group of the printer cover is provided on the paper feed motor side and the paper discharge gear side of the printer, thereby eliminating power transmission and wasting of gear parts. The printer cover drive unit gear group is a combination of four or more gears including the fixed gear b (24), thereby achieving a good balance in terms of shape and function. FIGS. 12 and 13 show a state in which the multifunctional printer cover is in a state of obliquely receiving a sheet (B) and in a state of horizontally receiving a sheet (C). 12, the paper (4) is discharged by the discharge roller (14) of the printer (7), and then the leading end of the paper (4) hits the paper guide (12) of the printer cover unit and is sent obliquely upward. It is. When the paper is further fed, it is caught by a paper discharge roller (15) and a star roller (16) provided on a paper guide (12), and the last part of the paper (4) is further discharged by the discharge roller (15) to be moved to a lower portion of the roller. In the paper stocker section (18).

The unloading roller (15) is rotated by a drive transmitted from the printer by a fixed gear b (24) fixed to the unloading roller shaft (17) in FIG. The star roller (16) for pressing the paper is pressed against the discharge roller (15) with a proper pressure by a spring (not shown), and is rotatable in accordance with the rotation of the discharge roller (15). The paper (4) discharged from the printer (7) is caught by the carry-out roller (15) and the star roller (16) and is sent at a speed corresponding to the discharge speed of the printer.

In the case of the paper horizontal receiver shown in FIG.
Is discharged by a discharge roller (14) of the printer, received by the paper guide (12), and carried out by the discharge roller (1).
5), guided between the star rollers (16), discharged, and dropped to the paper stocker section (18) below the rollers. Use large paper with soft stiffness, such as plain paper, with the printer cover (6) slanted to reduce the installation area, or use paper with stiffness, such as postcards, with the printer cover (6) horizontal to receive the paper. I have to.

FIGS. 6, 7 and 8 show the positional relationship between the discharge roller and the star roller. In order for the paper (4) to drop smoothly onto the paper stocker section (18) via the discharge roller section (15) of the paper guide (12), the position of the star roller (16) with respect to the discharge roller (15) must be adjusted so that the paper is inclined. Receiving state (B), paper horizontal receiving state (C)
It is important in

7 and 8, in the state of obliquely receiving the sheet (B), the position of the star roller (16) is such that the end of the sheet (4) is parallel to a line perpendicular to the guide surface of the sheet guide (12). The paper (4) cannot be dropped into the stocker unless it is on the rotation direction side of the center line of the carry-out roller (15). Since the cross-section of the carry-out roller (15) is knurled (not shown), if the end of the paper (4) comes to the above position, the end of the paper is caught in the knurled groove and rotated by the transport roller (15). It can be dropped into the stocker section (18). The same applies to the case of receiving paper horizontally.

However, when the star roller (16) is fixed to the paper guide (12), the paper guide (12) rotates with the rotation of the printer cover (6), and the paper guide (12) receives the paper obliquely or the paper horizontally. Since the positional relationship between the carry-out roller (15) and the star roller (16) occurs in one of the states, it is necessary to fix the star roller (16) to the housing (1) of the main body. A fulcrum E (44) is provided on the main body (1) to provide a star roller (16).
By fixing the lever (19), the above-mentioned position of the star roller can be kept constant even when the paper guide (12) rotates. Also Star Roller (16)
By applying pressure to the star roller lever (19) in the direction of the arrow (45) with a spring (not shown), a stable conveyance can be ensured.

[0040]

According to the first aspect of the present invention, in a multifunctional printer cover in which a paper receiving portion is constituted by a printer cover, a structure in which a driving force is supplied from a driving portion of a printer to a power source for unloading paper in the paper receiving portion. Multi-function printer cover structure, without the need for a new drive unit such as a motor,
Driving the carry-out roller with the driving force has an effect of forming a sheet carrying-out structure, and is particularly effective in carrying out a sheet in a sheet receiving structure in a horizontal ink jet printer in a state of obliquely receiving a sheet.

According to the second aspect of the present invention, the multifunctional printer cover has a cover structure that bends so as to cover the printer when functioning as a printer cover, and extends straight when functioning as a paper receiver. As a flat plate-shaped structure for receiving paper, one structure has multiple functions, and has the effect of reducing the number of members.

According to the third aspect of the present invention, when the multifunctional printer cover functions as a paper receiver, it has a paper stock section below the carry-out section to store paper, and has a multistage structure. Accordingly, a time difference can be provided between paper rubbing on the printing surface during the ink jet printer, and there is an effect of preventing the printing surface from being stained.

According to the fourth aspect of the present invention, in the multifunction printer cover, the state of the printer cover, the state of receiving the sheet obliquely, the state of receiving the sheet horizontally, and the center of rotation of the structure are determined by the driving force from the printer side. , The distance between the transmission gears is constant in any state, and there is an effect that stable driving force can be transmitted.

According to the fifth aspect of the present invention, in the multi-function printer cover, the position of the discharge roller and the star roller of the paper receiving portion is determined depending on whether the position of the paper receiving portion is in the obliquely receiving state or the case of the horizontal receiving state. By moving the positional relationship between the roller and the star roller, there is an effect that the paper can be smoothly fed to the paper stocker even if the receiving angle of the paper changes.

According to the sixth aspect of the present invention, in the multifunction printer cover, the connection gear position of the drive transmission for the discharge roller of the paper receiving portion is disposed on the paper feed motor side or the paper discharge gear side of the printer. Since the gears are arranged linearly, there is an effect that an efficient transmission function can be achieved in terms of parts.

In the invention according to claim 7, in the multifunctional printer cover, the drive source gear on the printer side of the drive transmission for the discharge roller of the paper receiving portion is a final roller rotation gear for discharging the paper of the printer, The connection gear group of the printer cover part includes the gear of the paper take-out roller,
With four or more gears, the rotation direction of the roller is specified, the diameter of the gear and the appropriate distance to the carry-out roller, and the space occupied by the printer cover at the rear of the printer are reduced. There is an effect that the printer cover state, the sheet slant receiving state, and the sheet horizontal receiving state can be configured to be rotatable.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a printer cover state.

FIG. 2 is an external perspective view during movement of a printer cover.

FIG. 3 is an external perspective view of the sheet obliquely receiving state.

FIG. 4 is an external perspective view showing a state in which the sheet is used in an obliquely receiving state.

FIG. 5 is a rear perspective view of a rear surface in a state where the sheet is obliquely received.

FIG. 6 is an explanatory diagram of a fulcrum in a printer cover state.

FIG. 7 is an explanatory diagram of a fulcrum in an obliquely receiving state of a sheet.

FIG. 8 is an explanatory view of a fulcrum in a paper horizontal receiving state.

FIG. 9 is an explanatory diagram of a gear group in a paper horizontal state.

FIG. 10 is an explanatory diagram of a gear group in a state where a sheet is obliquely received.

FIG. 11 is an explanatory diagram of a gear group in a printer cover state.

FIG. 12 is an explanatory diagram of sheet conveyance in a sheet oblique reception state.

FIG. 13 is an explanatory diagram of sheet conveyance in a sheet horizontal receiving state.

FIG. 14 is an explanatory diagram (part 1) of a conventional technique.

FIG. 15 is an explanatory view (part 2) of a conventional technique.

FIG. 16 is an explanatory diagram (part 3) of the related art.

FIG. 17 is an explanatory diagram (part 4) of the conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body housing 1a Main body fulcrum hole 1b Main body fulcrum axis 2 Keyboard 3 Display part 4 Paper 5 Paper cassette 6 Printer cover 7 Printer 10 Paper receiver a 10a Paper fulcrum axis for paper receiver a 10b Support axis for paper receiver a 10c Guide groove 11 Paper Receiving b 11a Supporting hole of paper receiving b 12 Paper guide 12a Guide pin 12b Paper supporting fulcrum hole 13 Paper receiving c 14 Discharge roller 15 Discharge roller 16 Star roller 17 Discharge roller shaft 18 Stock unit 19 Star roller lever 20 Fixed gear a 21 Intermediate Gear a 22 intermediate gear b 23 intermediate gear c 24 fixed gear b 25 paper feed motor 26 reduction gear 27 reduction gear 28 fixed gear c 40 fulcrum A 41 fulcrum B 42 moving fulcrum C 43 fulcrum D 44 fulcrum E 45 arrow A printer cover state BPaper oblique receiving state C Paper horizontal receiving state

Claims (7)

[Claims] 1. A recording paper receiving device in which a recording paper receiving portion is constituted by a cover of a recording paper discharging port, wherein a driving force of a paper discharging power source of the recording paper receiving portion is obtained from a driving portion of a main body of the device. Recording paper receiving device. 2. The recording paper receiving device according to claim 1, wherein the recording paper receiving device is bent so as to cover the main body of the device when functioning as a cover of a recording paper discharge port, and is straightened when functioning as a recording paper receiving device. A recording paper receiving device for receiving recording paper. 3. The recording paper receiving apparatus according to claim 1, wherein the recording paper receiving apparatus has a paper stock section below the recording paper discharge section when functioning as a recording paper receiving section. 4. The recording paper receiving apparatus according to claim 1, wherein the center of rotation of the cover of the recording paper discharge port is located on the center of a gear shaft that transmits a driving force for discharging the recording paper from the apparatus main body side. Receiving device. 5. The recording paper receiving apparatus according to claim 1, wherein a relative positional relationship between a discharge roller of the recording paper receiving portion and an auxiliary roller driven by the roller is in an oblique paper receiving state or in a paper horizontal receiving state. A recording paper receiving apparatus, wherein the recording paper receiving apparatus does not change in some cases. 6. The recording paper receiving device according to claim 1, wherein the connection gear position of the drive transmission for the discharge roller of the recording paper receiving portion is disposed on the recording paper feed motor side or the recording paper discharge gear side of the apparatus main body. Characteristic recording paper receiving device. 7. The recording paper receiving apparatus according to claim 1, wherein the drive source gear of the drive transmission of the discharge roller of the recording paper receiving portion on the apparatus main body side is a final roller rotating gear for discharging the recording paper of the apparatus main body. The recording paper receiving apparatus according to claim 1, wherein the connecting gear group of the cover portion of the paper discharge port includes four or more gears.