JP2000043370A - Printing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a printing apparatus comprising a printer and a sheet feed tray being separated from the printer when printing is not performed in which preparation for printing operation is lessened and print shift due to hooking of a print sheet to an first cover under open state is prevented when the print sheet is discharged from a sheet discharge opening. SOLUTION: The printer has a first cover 33 locked to the housing 31 and when a sheet feed tray is inserted into a sheet feed opening 9, the first cover 33 is unlocked and opened. The first cover 33 is opened to be located above or below a print sheet discharged from a sheet discharge opening 32 so that the print sheet is discharged without hooking to the first cover 33.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing apparatus, and more particularly, to a printing apparatus having a cover for covering a discharge port from which printing paper is discharged.

[0002]

2. Description of the Related Art A printing apparatus is provided with a printer and a paper feed tray which can be separated from the printer. When printing is not being performed, the paper feed tray is separated from the printer in order to reduce the area occupied by the printing apparatus. At the time of printing, a paper feed tray loaded with printing paper is set in the printer.

FIGS. 8, 9 and 10 are views showing the configuration of a conventional printing apparatus having a printer and a paper feed tray. 8 is a cross-sectional side view showing a configuration of a paper feed tray, FIG. 9 is a cross-sectional side view showing a configuration of a housing of a printer, and FIG. 10 is a cross-sectional side view showing a configuration of a printing apparatus at the time of printing.

In FIG. 8, reference numeral 1 denotes a tray base; 1a, a hole provided on the tray base; 1b, a paper feed tray fixing protrusion provided on a side edge of the paper feed tray; Is the printing paper set in the paper feed tray, 3a
Is a printing paper at the top of the printing paper 3, and 4 is a paper lifting plate provided on the tray base 1, one end of which is fitted in the hole 1a.

In FIG. 9, reference numeral 5 denotes a printer housing, and reference numeral 6 denotes an upper portion of the paper feed tray, which is formed from the front edge to the upper portion of the housing 5, and is a discharge port from which printed printing paper is discharged. , 7 cover the discharge port 6 and are opened and closed manually.
8 is a spindle of the first lid 7, 9 is a paper feeding port into which the paper feeding tray is inserted, 10 is a second lid which covers the paper feeding port 9 and is opened and closed around the spindle, Reference numeral 11 denotes a support shaft of a second lid provided with a spring (not shown), which has an urging means for urging the second lid 10 toward the housing of the printer so as to open the second lid 10 in the direction B. Reference numeral 12 denotes a cover provided on the second lid 10 and having means (not shown) for holding the first lid 10 along the housing 5.

In FIG. 10, the same reference numerals in FIGS. 8 and 9 denote the same or corresponding parts. 3b is the printing paper being printed, 1
Reference numeral 3 denotes a paper feed tray fixing clip provided inside the printer, which has a fixing means for fitting the paper feed tray fixing protrusion 1b of the paper feed tray inserted into the printer and fixing the paper feed tray. It is. Reference numeral 14 denotes a paper lifting lever which comes into close contact with the lower portion of the paper lifting plate 4 of the paper feeding tray set in the printer, and lifts the paper lifting plate 4 with the hole 1a as a fulcrum. Reference numeral 15 denotes a paper feeding roller. The printing paper 3a is pressed and rotated by the above operation to convey the printing paper 3a to a printing mechanism (not shown).

Hereinafter, the operation of the conventional printing apparatus at the time of printing will be described. First, in preparation for printing, the paper feed tray is set in the printer, and the first lid 7 is manually opened.
When the paper tray is set in the printer, the second lid 10
Is pushed by the paper tray and falls inside the printer,
Inside the printer, the paper feed tray fixing clip 13
The paper feed tray is fixed to the printer by fitting the paper feed tray fixing protrusion 1b of the paper feed tray.

During the printing operation, the printing paper 3a is pressed against the paper feeding roller 15 by the operation of the paper lifting lever 14, is conveyed to the printing mechanism by the rotation of the paper feeding roller 15, and then the printing by the printing mechanism is performed. The paper is discharged from the paper discharge port 6 onto the first lid 7.

When the paper tray set in the printer is pulled out of the printer when the printing paper in the paper tray is refilled after printing is completed, the second lid 10 is attached to the housing 5 by the urging means. It rises in the A direction because it is urged,
It is held on the housing 5 by the cover 12. On the other hand, the first lid 6 is manually closed.

[0010]

However, in the printing apparatus according to the prior art as described above, at the time of preparation for printing, the operation of setting the paper feed tray to the printer and the operation of opening the first lid are performed. It has to be performed, and there is a problem that it takes time to prepare for printing.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and provides a printing apparatus capable of opening a first lid by an operation of setting a paper feed tray in a printer. The purpose is to do so.

Further, in the printing apparatus according to the prior art as described above, the printing paper discharged from the paper output port is caught by the first lid in the opened state, causing a printing displacement, and the same printing is performed again. Since it has to be performed, there is a problem that it takes time and also that consumables such as printing paper are wasted.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and it is an object of the present invention to allow a printing paper to be discharged from a first lid opened from a paper discharge opening without being caught by a first lid. It is intended to provide a printing apparatus capable of performing the above.

[0014]

According to another aspect of the present invention, there is provided a printing apparatus including a printer and a paper feed tray separated from the printer when printing is not being performed. A paper exit from which the printed paper is discharged,
A first lid for covering the paper ejection port, an urging means for urging the first lid to a housing of the printer so that the paper ejection port is always opened, and A printer having locking means for locking the first lid biased to the printer housing along the printer housing, and a lock for releasing the locking of the first lid along the printer by the locking means And a paper feed tray having a release means.

In order to achieve the above object, a printing apparatus according to a second aspect of the present invention includes a paper discharge port from which printed printing paper is discharged, the paper discharge port when closed, and the paper discharge port when opened. A first lid that opens to be positioned above or below the printing paper discharged from the mouth, and discharges the printed printing paper without being caught by the first lid that is open from the paper discharging port. It is characterized by being performed.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 The printing device has a printer and a paper tray that can be separated from the printer.When printing is not being performed, the paper tray is separated from the printer to reduce the area occupied by the printing device. Then, the paper feed tray loaded with the printing paper is set in the printer.

FIGS. 1 to 7 show the configuration of a printing apparatus having a printer and a paper feed tray according to an embodiment of the present invention (claim 1). FIG. 1 is a cross-sectional side view showing a configuration of a printer housing, FIG. 2 is a diagram showing locking means for locking a first lid to the printer housing, FIG. 4 is a perspective view showing the configuration of the paper feed tray, FIG. 5 is a diagram showing unlocking means for unlocking the first lid to the printer housing by the locking means, and FIG. 6 is a view of the printing apparatus during printing. FIG. 7 is a sectional side view showing the configuration.
FIG. 2 is a cross-sectional side view illustrating a configuration of a housing of the printer when a paper feed tray set in the printer is pulled out from the printer. 1 to 7, the same reference numerals in FIGS. 8 to 10 denote the same or corresponding parts.

In FIG. 1, reference numeral 31 denotes a printer housing;
Reference numeral 2 denotes a paper discharge port at the front edge of the housing 31 for discharging print paper formed above the paper supply port 9, and reference numeral 33 denotes a first cover which covers the paper discharge port 32 which is opened and closed about a support shaft. Is a support shaft of the first lid 33 provided with a spring (not shown), and biases the housing of the printer to open the first lid 32 in the direction B by the spring force of the spring. It has an urging means to perform the operation.

In FIG. 2, the same reference numerals in FIG. 1 denote the same or corresponding parts. A lock lever 35 is provided near the paper discharge port 32 and has lock means for locking the first lid 33 to be opened in the direction B by the urging means along the housing 31. Reference numeral 36 denotes a lock lever. A lock spring 37 provided on the lever 35 is a concave portion provided on the first lid 33. The lock lever 35 and the recess 37 are connected to the first lid 3.
In a state where 3 is closed, they are arranged on the housing 31 and the first lid 33 so as to fit each other.

When the first lid 33 in the opened state is pushed in the direction opposite to the direction B, the lock lever 35 provided near the paper discharge port 32 is fitted into the concave portion 37 of the first lid 33, and is fitted. In the combined state, the recess 37 is a lock lever 3 having a lock spring 37.
5, the first lid 33 is locked along the housing 31 and the paper exit 32 is closed. At this time, since the distal end portion of the lock lever 36 is tapered, it is easy to lock the cover 33 of the paper discharge port to the housing 31 by the locking means.

3 and 4, reference numeral 38 denotes a tray cover, and reference numeral 38a denotes a tray cover provided with a lock releasing means for releasing the lock of the first lid 33 to the printer housing 31 by the locking means. This is a lock release projection.

In FIG. 5, the same reference numerals in FIGS. 1 to 4 denote the same or corresponding parts. 39 is the lock lever 3
6 is a tapered portion provided at the center of the tray 6 when the paper feed tray is inserted into the paper feed port 9 of the printer.
8 is a portion that comes into contact with the unlocking projection 38a.

By inserting the paper feed tray into the paper feed port 9 of the printer, the lock of the first lid 33 to the housing 31 by the locking means is released. That is, when the paper feed tray is inserted into the paper feed port 9 of the printer, the tapered portion 39 of the lock lever 36 is pressurized by the unlocking projection 38a of the tray cover 38, and the lock spring 36 attached to the lock lever 35 is compressed, The tip of the lock lever 35 fitted in the recess 37 comes off the recess 37.

In FIG. 6, the same reference numerals in FIGS. 1 and 3 denote the same or corresponding parts. Reference numeral 3c denotes printed printing paper discharged from the paper outlet 32 and stocked on the paper feed tray.

In FIG. 7, the same reference numerals in FIG. 1 denote the same or corresponding parts. When the paper feed tray set in the printer is pulled out of the printer, the second lid 10 rises in the direction A by the urging means, and the cover 3
It is kept along 2. On the other hand, the first lid 33 remains open because the lock to the housing 31 has been released by the lock release means. In order to close the first lid 33, a force in a direction opposite to the direction B is applied to the first lid 33, and the first lid 33 is locked to the housing 31 by the locking means.

Hereinafter, the operation of the printer according to the first embodiment of the present invention will be described. When printing is not being performed, the lock lever 35 of the housing 31 is fitted into the concave portion 37 of the first lid 33, and the first lid 33 covers the paper discharge port 32 so as to cover the housing 31.
Along with the second lid 10 and the lid 12
As a result, the sheet is held along the housing 31 of the printer so as to cover the sheet feeding port 9.

When printing, when the paper feed tray is inserted into the paper feed port 9 of the printer, the second lid 10 is pushed by the paper feed tray and falls down inside the printer. At the same time, the lock of the first lid 33 to the housing 31 is released. That is,
When inserting the paper feed tray into the paper feed slot of the printer,
7, the taper portion 39 of the lock lever 35 fitted to the paper feed tray is pressed against the unlocking projection 38a of the sheet feed tray, the lock spring 36 attached to the lock lever 35 is compressed, and the tip of the lock lever 35 is removed from the recess 37. Come off. Then, since the first lid 33 unlocked to the housing 31 is urged by the housing 31 by the urging means, it is opened in the direction B.

When the paper feed tray is further inserted into the inside of the printer, the paper feed tray fixing protrusion 1b of the paper feed tray and the paper feed tray fixing clip 14 inside the printer are fitted together.
The paper feed tray is fixed inside the printer.

During the printing operation, the printing paper 3a is pressed against the paper feed roller 15 by the operation of the paper lifting lever 14, is conveyed to the printing mechanism by the rotation of the paper feeding roller 15, and then the printing by the printing mechanism is performed. The paper is discharged from the paper discharge port 32 onto the paper feed tray.

After the printing is completed, when the printing paper in the paper feeding tray is replenished, the paper feeding tray set in the printer is pulled out of the printer, and the second lid 10 is moved to the housing 31 by the urging means. Since it is urged, it rises in the direction A around the support shaft 34, and is held by the cover 12 along the housing 31.

On the other hand, since the first lid 33 is urged to the housing 31 by the urging means, it remains open even when the paper tray set in the printer is pulled out from the printer. . Therefore, the problem that the first cover 33 is closed by pulling out the paper feed tray from the printer, the printed printing paper 3c remaining inside the printer is loosened, and the printing surface of the printing paper 3c is scratched is a problem. It does not occur in the embodiment. To close the first lid 33, a force may be applied in a direction opposite to the direction B, and the first lid 33 is locked along the housing 31 by the locking means.

As described above, according to the printing apparatus of the first embodiment of the present invention, the printer can
And a biasing means for biasing the housing 31 so as to open the first lid 33 in the direction B.
Since the paper feed tray has an unlocking means for releasing the lock of the first lid 33 to the housing 31, by inserting the paper feed tray into the paper feed port 9, the first lid 33 is moved to the housing 31 of the first lid 33. Can be released and the first lid 33 can be opened, and as a result, the operation for preparing for printing can be reduced.

Embodiment 2 FIG. FIG. 6 shows the present invention (claim 2).
FIG. 4 is a cross-sectional side view illustrating a configuration of the printing apparatus according to the embodiment at the time of printing.

When the first cover 33 is closed, it covers the paper discharge port, and when it is opened, it is opened so as to be located at the upper part in the discharge direction of the printing paper discharged from the paper discharge port.

Hereinafter, an operation of the printing apparatus according to the second embodiment of the present invention will be described. When the printing paper 3b being printed is discharged from the paper discharge port 32 by the printing mechanism, the first cover 33
Is opened at the top of the printing paper 3b to be discharged,
The printing paper 3b is discharged onto the paper feed tray without being caught by the first lid 33.

As described above, in the printing apparatus according to the second embodiment of the present invention, the first lid 33 is opened at the upper part of the discharged printing paper 3b in the discharging direction, and the printing paper 3b is discharged. Since the paper is discharged from the first lid 33 without being caught by the first lid 33 in an opened state, it is possible to prevent a printing shift from occurring, and as a result, a time loss at the time of printing and an economic loss concerning consumables are reduced. There is an effect that can be reduced.

[0037]

As described above, according to the printing apparatus of the present invention (claim 1), in a printing apparatus having a printer and a paper feed tray separated from the printer when printing is not being performed, A discharge port from which the discharged printing paper is discharged, a first lid that covers the discharge port, and the first lid attached to a printer housing such that the discharge port is always open. A printer having urging means for urging, a lock means for locking the first lid urged to the housing of the printer by the urging means along the housing of the printer, and And a paper feed tray having an unlocking means for unlocking the lid along the printer. Therefore, by inserting the paper feed tray into the paper feed port 9, the first Housing 31 of lid 33
The lock along the side can be released and the first lid 33 can be opened, and as a result, the operation for preparing for printing can be reduced.

Further, according to the printing apparatus of the present invention (claim 2), a discharge port from which printed printing paper is discharged,
A first cover that covers the paper discharge port when closed, and opens to be positioned above or below the print paper that is discharged from the paper discharge port when opened, and prints the printed paper from the paper discharge port. Since the paper is discharged without being caught by the first lid in an open state, it is possible to prevent a printing shift from occurring, and as a result, time loss and consumables during printing are reduced. This has the effect of reducing the economic loss related to

[Brief description of the drawings]

FIG. 1 is a sectional side view illustrating a configuration of a housing of a printer in a printing apparatus according to an embodiment of the present invention.

FIG. 2 illustrates a printing apparatus according to an embodiment of the present invention.
FIG. 4 is a diagram illustrating a lock unit that locks the first lid to a housing of the printer.

FIG. 3 is a cross-sectional side view illustrating a configuration of a paper feed tray in the printing apparatus according to the embodiment of the present invention.

FIG. 4 is a perspective view illustrating a configuration of a paper feed tray in the printing apparatus according to the first and second embodiments of the present invention.

FIG. 5 shows a printing apparatus according to an embodiment of the present invention.
FIG. 4 is a diagram illustrating an unlocking unit that unlocks the first lid from the housing of the printer.

FIG. 6 is a cross-sectional side view illustrating a configuration of the printing apparatus according to the embodiment of the present invention during printing.

FIG. 7 shows a printing apparatus according to an embodiment of the present invention.
FIG. 3 is a cross-sectional side view illustrating a configuration of a housing of the printer when a paper feed tray set in the printer is pulled out from the printer.

FIG. 8 is a cross-sectional side view showing a configuration of a paper feed tray according to a conventional technique.

FIG. 9 is a cross-sectional side view illustrating a configuration of a housing of a printer according to a conventional technique.

FIG. 10 is a cross-sectional side view illustrating a configuration of a printing apparatus according to a conventional technique during printing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tray base 1a Hole 1b Protrusion for fixing paper feed tray 2 Tray cover 3 Printing paper 3a Top printing paper 3b Printing paper in printing 3c Printed printing paper 4 Paper push-up plate 5 Housing 6 Paper discharge port 7 First lid 8 Support shaft 9 Paper feed port 10 Second cover 11 Support shaft 12 Cover 13 Paper feed tray fixing clip 14 Paper push-up lever 15 Paper feed roller 31 Housing 32 Paper discharge port 33 First cover 34 Support shaft 35 Lock lever 36 Lock spring 37 Recess 38 Tray cover 38a Unlocking projection 39 Taper

Claims (2)

[Claims] 1. A printing apparatus comprising: a printer; and a paper feed tray separated from the printer when printing is not being performed. A first cover for covering the printer, a urging means for urging the first lid to the printer housing so that the paper discharge opening is always open, and a housing for the printer by the urging means. A printer having a lock means for locking the first lid biased toward the printer along the housing of the printer; and a lock release means for releasing the lock of the first lid along the printer by the lock means. A printing apparatus, comprising: a paper feed tray. 2. A discharge port through which printed printing paper is discharged, and a cover which covers the discharge port when closed and opens above or below the print paper discharged from the discharge port when opened. A printing apparatus comprising: a first lid; and a printing apparatus in which printed printing paper is discharged from the discharge opening without being caught by the first lid.