JP2001171204A - Leg for printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mount a printer in correct orientation on a supporting leg utilizing legs when the printer is used while being mounted on a table. SOLUTION: A supporting leg 5 comprises right and left mounting tables 57, 58 fixed to the upper end parts of front legs 53, 55 and rear legs 54, 56. The front legs of a printer are located at positions causing no interference regardless of the mounting orientation of the printer on both mounting tables and the rear legs are located at positions being contained in recesses 57a, 58a when the printer is mounted in correct orientation on both mounting tables. When the printer is mounted in correct orientation with respect to the supporting leg, the mounting tables and the base frame of the printer can be tightened with screws through screw holes 57b, 58b and the printer is integrated with the supporting leg. When the printer is mounted reversely, the mounting tables interfere with the printer and the screw can not be tightened.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printer and a so-called large-size printer capable of printing on printing paper having a width of about A1 or B1 size, and more particularly to a form used on supporting legs and a table. The present invention relates to a leg device suitable for stably mounting the printer on a supporting leg.

[0002]

2. Description of the Related Art In a large-sized printer, a paper feeding section is arranged at an upper rear portion of a printer body, and printing paper is fed from the paper feeding section to a printing section through an oblique paper transport path toward a front portion of the printer. 2. Description of the Related Art In many cases, a sheet is discharged obliquely downward from a sheet discharge section after printing, and is received by a sheet discharge receiving device provided below the printer.

A large-sized printer of this kind is provided with a leg for directly mounting the printer main body on a table and a dedicated supporting leg provided with a mounting table, and these are selected according to the situation of the installation place. . The support legs have a pair of front legs and rear legs located near both sides of the printer, and a mounting table is fixed to each upper end. Usually, a paper ejection receiving device is provided inside the support leg. When mounting the printer on the mounting table, at least two workers arrange the printer beside the printer, lift the printer above the mounting table, place the printer and the mounting table correctly, and mount them. Fix it.

[0004]

In the above-described large-sized printer, the occupied space is reduced by arranging the paper feed unit, the printing unit, the paper discharge unit, and the paper discharge receiving unit, which constitute the printer main body, in the vertical direction. It is devised as follows. Therefore, as a requirement of the support legs, the rear of the support legs should not protrude as much as possible because it is not necessary space for the printer, and the front of the support legs should be used by the user who stands on the front of the printer body during printing and other people. Must be satisfied when passing near the printer, and furthermore, the printer can be stably mounted on the support legs.

As described above, in a large-sized printer, main mechanical parts are incorporated in the printer main body, and support legs are designed so that the printer can be stably mounted in consideration of the position of the center of gravity of the printer main body. When the printer is mounted and fixed on the support legs, the overall center of gravity is at a high position.If the printer body is not mounted correctly on the mounting table, the support legs can absorb the large external force received by the printer from the front and back. It may become unstable and become unstable. Therefore, in the installation work of the printer, it is necessary to mount the printer on the support legs so that the front and rear of the printer are not mistaken. SUMMARY OF THE INVENTION It is an object of the present invention to provide a leg device for mounting a printer on a table without using the front and rear of the printer by using a leg when the printer is used on a table.

[0006]

According to the first aspect of the present invention, there is provided a leg device for a printer having a form used on a support leg and a form used on a table, and forms a bottom portion of the printer. A plurality of legs attached to the base frame for mounting the printer on the table, and a mounting table provided on the support legs for supporting the base frame of the printer, the plurality of legs being provided on the front and rear sides of the printer. The printer is characterized in that it is arranged in pairs on each side, and the front and rear of the printer are correctly positioned and mounted on the support legs by the legs. According to the first aspect of the present invention, in order to prevent the printer from being erroneously mounted on the support legs, the configuration is simplified by using the table mounting legs, and the device can be used in a stable mounting state. .

According to a second aspect of the present invention, in the first aspect of the present invention, the front, rear, left, and right sides of the printer are correctly positioned on the support legs by the relationship between the mounting table and the plurality of legs. According to the second aspect of the invention, in order to prevent the printer from being erroneously mounted on the support legs, the mounting table and the plurality of legs have different positional relations before and after the printer, whereby correct mounting is possible.

According to a third aspect of the present invention, in the second aspect of the present invention, there is provided fixing means for integrating the mounting table and the printer,
The mounting table is composed of a right mounting table and a left mounting table provided separately on both sides of the printer, and the legs disposed on one of the front side and the rear side of the printer mount the printer on both mounting tables. The fixing means is provided at a position where it does not interfere regardless of the orientation, and the legs disposed on the other side do not interfere with the mounting tables when the printer is mounted on the mounting tables in the proper orientation. , And when placed in the opposite direction to the normal orientation, it will interfere with both mounting tables and cannot be fixed by the fixing means. According to the third aspect of the present invention, it is possible to prevent the printer from being erroneously mounted on the support leg and to fix the printer in the correct direction, so that the printer can be used in a stable mounting state.

According to a fourth aspect of the present invention, in the third aspect of the present invention, when the printer is mounted on both mounting tables in a proper orientation, the recesses on which the legs arranged on the other side fit are provided on both mounting tables. It is characterized by being provided. According to the fourth aspect of the present invention, since the front and rear of the printer are positioned in the correct direction by the leg portions entering the recesses of the mounting table, the mounting state can be easily and reliably confirmed.

According to a fifth aspect of the present invention, in the fourth aspect of the present invention, the concave portion is opened in one of front and rear directions of the printer, and a guide surface is formed to guide the front or rear leg of the printer from the open side. It is characterized by having been done. According to the fifth aspect of the present invention, when the printer is horizontally moved toward the mounting table, the legs are guided by the guide surfaces of the cutout recesses, and when the printer is mounted on the mounting table at an abutting position, the front and rear positioning of the printer is performed. In addition, it is possible to sense whether or not a misplacement occurs due to the contact between the leg and the guide surface in the process of horizontal movement of the printer, thereby improving workability.

According to a sixth aspect of the present invention, in the invention according to any one of the third to fifth aspects, at least one of the plurality of legs on the front side and the rear side of the printer is provided at a position near the inner edge of both mounting tables. The printer is characterized by positioning the printer in the left-right direction. In the invention of claim 6, at least one leg of the front leg and the rear leg enters between the mounting tables,
Since the left and right sides, which are the sides of the printer, are positioned,
Positioning according to the front-rear direction of the printer is easy and reliable.

According to a seventh aspect of the present invention, in the first aspect of the present invention, the supporting leg is provided with an erroneous placement preventing portion for the printer, and the erroneous placement preventing portion positions the leg of the printer. . According to the seventh aspect of the present invention, by providing the misplacement prevention unit independent of the mounting table, when the printer is mounted on the mounting table, the misplacement prevention unit correctly positions the front and rear of the printer and mounts the printer. be able to.

The invention of claim 8 is characterized in that, in the invention of any of claims 2 to 7, the leg is formed in an inverted conical shape. According to the invention of claim 8, since the inverted conical surface of the leg contacts the inner edge of the mounting table and is guided, when the printer is lifted above the mounting table and then lowered, the position of the inverted conical surface of the leg is reduced. Even if the positioning is rough enough to make contact with the inner edge of the mounting table, the reverse conical surface serves as a guide to perform correct positioning.

[0014]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a printer showing a form in which a printer is mounted on a supporting leg as an embodiment of a leg device according to the present invention. FIG. 2 is a perspective view of the leg device according to the present invention. FIG. 3 is a right side view of the printer showing a form in which the printer is mounted and used, FIG. 3 is a perspective view of support legs, and FIG. 4 is a rear view of a base frame of the printer main body.

The printer 1 is configured to be capable of printing up to A1 or B1 size printing paper. The printer 1 includes a paper feeding unit 2, a printing unit 3, and a paper discharging unit 4, a leg unit 5, and a discharging device. And a paper receiving device 6. Paper feed unit 2
A roll paper (printing paper) 21 is set inside the printer 1 so as to protrude from the rear upper portion thereof, and a roll paper cover 22 is attached to the roll paper so as to be openable and closable so as to cover the roll paper.

The printing unit 3 includes a carriage (not shown), a print head mounted on the carriage, a paper feed roller for conveying print paper in the sub-scanning direction, an ink supply device for the print head, and a suction device for preventing the print paper from floating. And a control device for executing printing, and performs printing while transporting the printing paper fed from the paper feeding unit 2 in the sub-scanning direction. An ink cartridge case 30 is arranged on the front surface of the printing unit 2 and houses an ink cartridge (not shown) that stores ink to be supplied to the print head.

The printing paper printed by the printing unit 3 is discharged via the paper discharging unit 4 obliquely downward and forward of the printer 1. A plurality of suction ports (not shown) are formed in a plurality of rows in the width direction of the printing paper on the paper conveyance surface in a region from the printing unit 3 to the paper discharge unit 4, and the suction paper sucks the printing paper onto the paper conveyance surface. And make sure they don't come up. A cutter for cutting the roll paper is provided between the printing unit and the paper discharge unit. After the printing is completed, the print paper is cut by the cutter and received by the paper discharge receiving device 6.

The leg device 5 includes a mounting table 5 on which the printer 1 is mounted.
The printer comprises a supporting leg 50 having 7, 58, and a leg 11 provided on a base frame 10 of the printer main body in order to use the printer 1 mounted on a table. The support leg 50 is provided with a left base leg 51 and a right base leg 52 which are arranged in parallel with the floor surface and in parallel with each other. Has a left front leg 53 and a left rear leg 54 erected, and a left mounting table 57 is fixed to the upper end thereof, while the right base leg 52 has a right front leg 55 and a right rear leg 5.
6 and a right mounting table 58 is fixed to the upper end thereof, and casters 59 are provided before and after the left base leg 51 and the right base leg 52, respectively. Between the left base leg 51 and the right base leg 52, a printing paper receiving unit 6 that receives the printing paper discharged from the paper discharging unit 4 is arranged.

Since the left and right mounting tables 57 and 58 are formed in the same shape, the left mounting table and the right mounting table are simply referred to as mounting tables here. The mounting table 57 is formed of a rectangular plate, and upper end portions of the left front leg 53 and the left rear leg 54 are fixed. On the side where the mounting table 57 faces the other mounting table 58, a cutout concave portion 57a is provided for the leg 11 provided on the printer main body side to enter. Also, the printer 1
A screw hole 57b for fixing the mounting plate 57 to the mounting table 57 is formed. In these configurations, the mounting table 58 is also provided with a notch 58a and a screw hole 58b.

As shown in FIG. 4, two inverted conical legs 11 made of rubber are arranged on the base frame 1 of the printer main body as a plurality of legs before and after the printer. The distance _{L CF} between the centers of the legs 11R disposed on the front side of the printer, the distance _{L F} (i.e. _L CF + _{L D)} which plus the maximum diameter of the leg portion 11 _{(L D)} is the stage 5
The distance L between the sides where 7, 58 oppose each other (see FIG. 3)
Is smaller set _(L F _<L), whereas the distance L _CR between the centers of the legs 11 disposed on the rear side of the printer, the legs 1
1 plus the maximum diameter (L _D ) of L ₁ (ie, L
_CR + _{L D)} is set larger than the distance L of the stage 57,58 _(L R> _L). The leg 11 is the mounting table 5
Distance as described above to be located closer to the inner edge of 7,58 _L F, by setting _{L R,} the side of the printer 1 against the table 57 and 58 by the legs 11 (the left-right direction)
The deviation to is suppressed.

On the base frame 10 on the side of the plurality of legs 11, a plurality of projections 12 and a pair of printer fixing portions which come into contact with the mounting tables 57 and 58 when the printer 1 is mounted on the support legs 50 and used. Screw 13 is provided. The protrusion 12 is formed by extruding the base frame 10 from the inside by press working.

The paper discharge receiving device 6 rotatably supports a lever mounting plate 61 on fulcrum shafts 60 provided at both ends of the connecting body, and the lever mounting plate 61 has a pair of lever-like members 62 respectively. Is arranged. As shown in FIG. 2, the pair of lever members 62 are detachably attached to the lever attachment plate 61 so as to expand in a fan shape from the fulcrum shaft 60 to support the sheet member 63. The sheet-shaped member 63 is made of, for example, cloth, and a sheet holding frame 64 is provided at the front and rear sheet edges. When the sheet holding frame 64 is locked to the distal ends of the left and right lever-shaped members 62, the sheet-shaped member 63 is slightly loosened and formed into a concave shape as shown in FIG.

The sheet member 63 receives the printed sheet at the position shown in FIG. 2 when the sheet is in the rear discharge state, and cuts the front (user side) lever member 62 or the sheet holding frame 64 on the floor after cutting. By operating toward, the front side of the sheet-like member 63 is greatly opened, and the sheet can be taken out.

The operation of the leg device according to the present invention will be described. In a case where the printer 1 is used while being mounted on the support legs, two persons hold both sides of the printer 1 and are positioned above the support legs 5 shown in FIG. 3, and the leg portions 11 are cut out of the left and right mounting tables 57 and 58. Recesses 57a,
It is mounted on the mounting tables 57 and 58 while adjusting to 58a. When the front and rear sides of the printer 1 are correctly placed, the rear leg 11R enters the cutout recesses 57a and 58a, and the front leg 11F enters between the mounting tables 57 and 58 as shown in FIG. Are positioned, and the protrusions 12 of the base frame 10 are
Is placed on the upper surfaces of the mounting tables 57 and 58. Thereafter, the screw 14 is screwed into the printer fixing female screw 13 of the base frame 10 from below the mounting tables 57 and 58 through the screw holes 57b and 58b, and the printer 1 is integrated with the support legs 5.

If the printer 1 is placed on the mounting tables 57 and 58 with the front and rear of the printer 1 erroneously mounted, the rear legs 11R will be mounted on the upper surfaces of the mounting tables 57 and 58 as shown in FIG. On the other hand, the front leg 11F enters between the mounting tables 57 and 58 regardless of the front-rear direction of the printer 1, so that the printer 1
The rear leg 11R side is raised and tilted forward, that is, the printer 1 is not positioned, and the screw cannot be screwed, so that a mistake is noticed. In the case of using the printer 1 mounted on a table, the printer 1 is mounted on the table 7 by using the legs 11 of the printer 1 from which the support legs 5 are removed as shown in FIG.

Next, another embodiment of the present invention will be described. FIG. 8 is a plan view of another embodiment of the mounting table in the leg device. The mounting tables 57, 58 are provided with L-shaped notch recesses 57c, 58c opened to the rear side of the printer 1, and formed with guide surfaces 57d, 58d for guiding the rear leg 11R from the open side. . When the printer 1 is mounted on the mounting tables 57 and 58, the rear leg 11R is notched while the printer 1 is moved forward from the rear of the mounting tables 57 and 58, and the guide surface 57 of the recess is formed.
d and 58d, and the mounting tables 57 and 5
Place on 8.

FIG. 9 is a plan view of an embodiment of the misplacement prevention section. The misplacement prevention unit 70 is formed of a plate-like member, and has a cutout recess shown in FIG. 5 or 8 at a position where the rear leg 11R of the printer 1 enters. In this example, a notch recess 70a shown in FIG. 5 is formed. Misplacement prevention unit 70
Are fixed to the left and right mounting tables 57 and 58 with screws 71 and the like.

In the above embodiment, the configuration in which the rear leg portion of the printer enters the notch concave portion has been described. However, a configuration in which the notch concave portion is formed on the front side of the printer and the front leg portion of the printer enters may be used.

[0029]

According to the present invention, the printer is set in the correct direction on the support legs by using the table mounting legs, so that the configuration is simplified and the device can be used in a stable mounting state. .

[Brief description of the drawings]

FIG. 1 is a perspective view of a printer showing an embodiment in which the printer is mounted on a supporting leg and used as an embodiment of a leg device according to the present invention.

FIG. 2 is a right side view of the printer showing an embodiment in which the printer is mounted on a supporting leg and used as an embodiment of the leg device according to the present invention.

FIG. 3 is a perspective view of a support leg.

FIG. 4 is a rear view of a base frame of the printer main body.

FIG. 5 is an explanatory diagram showing the relationship between the mounting table and the legs when the front and rear of the printer are correctly mounted.

FIG. 6 is an explanatory diagram showing the relationship between the mounting table and the legs when the front and rear of the printer are erroneously mounted.

FIG. 7 is a right side view of the printer showing a mode in which the printer is used by mounting it on a table.

FIG. 8 is a plan view of another embodiment of the mounting table in the leg device of the printer according to the present invention.

FIG. 9 is a plan view of an embodiment of an erroneous placement prevention unit in the leg device of the printer according to the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 printer 2 paper feed section 3 printing section 4 paper discharge section 5 leg device 6 paper discharge receiving device 11 leg portion 51, 52 base leg 53, 55 front leg 54, 56 rear leg 57, 58 mounting table 57a, 58a concave portion 57b, 58b Screw hole

Claims (8)

[Claims] 1. A leg device for a printer having a configuration used on a support leg and a configuration used on a table, wherein the leg device is attached to a base frame forming a bottom portion of the printer. A plurality of legs for mounting on a table; and a mounting table provided on the support leg and supporting a base frame of the printer. The plurality of legs are respectively paired on a front side and a rear side of the printer. And the printer is characterized in that the front and rear of the printer are correctly positioned and mounted on the support legs by the legs. 2. The leg device of the printer according to claim 1, wherein the front, rear, left, and right sides of the printer are correctly positioned on the support legs by a relationship between the mounting table and the plurality of legs. 3. The printer according to claim 1, further comprising a fixing means for integrating the mounting table and the printer, wherein the mounting table includes a right mounting table and a left mounting table provided separately on both sides of the printer. The legs arranged on either one of the rear sides are provided at positions where they do not interfere irrespective of the direction in which the printer is mounted on both mounting tables, and the legs arranged on the other side are mounted on both mounting tables. When the printer is mounted in the normal orientation, the printer stays in a state where it does not interfere with the mounting tables, and can be fixed by the fixing means. Interferes with
3. The leg device of the printer according to claim 2, wherein the fixing device cannot be fixed. 4. A concave portion for accommodating a leg portion arranged on the other side when the printer is mounted on both mounting tables in a normal orientation, wherein the concave portions are provided on the both mounting tables. Item 3. The leg device of the printer according to Item 3. 5. The printer according to claim 4, wherein the recess is opened in one of front and rear directions of the printer, and a guide surface for guiding a front or rear leg of the printer from the open side is formed. The leg device of the printer as described. 6. The printer according to claim 3, wherein at least one of a plurality of legs on a front side and a rear side of the printer is provided at a position near inner edges of the mounting tables, and positions the printer in the left-right direction. 6. The leg device of the printer according to any one of items 1 to 5. 7. The leg device for a printer according to claim 1, wherein a misplacement prevention portion of the printer is provided on the support leg, and the leg portion of the printer is positioned by the misplacement prevention portion. 8. A leg device for a printer according to claim 2, wherein said leg portion is formed in an inverted conical shape.