JPH06106800A - Printer - Google Patents

Abstract

PURPOSE:To easily set a continuous sheet without removing a cut sheet feeder. CONSTITUTION:A printer has a continuous sheet feeder 8 at a lower side of a cut sheet feeder 4, and comprises a continuous sheet setter 10 rotatably mounted at one end on a back surface of the feeder 4 and set at the other to a predetermined position of a printer body to rotate the feeder 4 at a predetermined angle at a platen shaft 3 as a center to be supported, thereby setting a continuous sheet 5 in the printer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printer capable of printing paper of a predetermined size and continuous paper.

[0002]

2. Description of the Related Art A printer is a sheet (single-cut sheet) of a specified size defined by JIS such as A4 or B5.
In many cases, it is possible to print both continuous paper (continuous paper) with a fixed width.
In such a printer, a cut sheet feeder supplies single-cut sheets of a prescribed size to one platen, and a continuous sheet supply unit provided below the cut sheet feeder supplies continuous sheets. ing. When setting this continuous paper as a printer, many printers are set by removing the cut sheet feeder.

FIG. 4 is a perspective view showing the structure of such a conventional printer. A cut sheet feeder 4 for supplying cut sheets is attached to the printer body 13, and a continuous sheet feeding section 8 for feeding the continuous sheet 5 is provided below the cut sheet feeder 4. The continuous paper feeding unit 8
The continuous paper 5 is supplied to the printer body 13 by inserting the projections 7 into the feed holes 6 provided at both ends of the continuous paper 5 and moving the projections 7.

FIG. 5 is a diagram for explaining a paper supply mechanism for the printer body. (A) shows the perspective view which is printing the continuous paper 5, (b) shows a longitudinal cross-sectional view. In FIG. 2B, the connecting portions 12 with the platen shafts 3 provided on the lower portion of the cut sheet feeder 4 are fitted to the platen shafts 3 provided on both sides of the platen 1. The cut-sheet paper 2 set in the cut-sheet feeder 4 is guided by the rollers 16 and sent to the platen 1, printed by the head 11 and discharged upward. The continuous paper 5 is fed to the platen 1 by the continuous paper feeding section 8.
And is printed by the head 11 and then discharged upward in the supplied direction over the cut sheet feeder 4 facing upward.

FIG. 6 shows a continuous paper feeding section 8 and a continuous paper retainer 9.
It is a figure which shows the structure of. The view indicated by the alternate long and short dash line in FIG. 6 shows a state in which the cut sheet feeder 4 is set at a normal position. The continuous paper feeding section 8 is provided at both ends of the continuous paper 5 at corresponding positions, and the projections 7 are inserted into the feed holes 6 provided at both ends of the continuous paper 5 at a constant pitch, and the projections 7 are moved. By doing so, the continuous paper 5 is fed. The belt 20 having the projections 7 provided at the same pitch as the pitch of the feed holes 6 of the continuous paper 5 has a drive wheel 14 and a guide wheel 15.
It rotates like a caterpillar. The rotary shafts of the drive wheels 14 of the two continuous paper feeding units 8 provided at the corresponding positions on both ends of the continuous paper 5 are continuous, and the rotary shafts are driven by a motor via gears. The continuous paper retainer 9 presses the feed hole 6 of the continuous paper 5 so as not to come off the protrusions 7. When the protrusion 7 of the belt 20 is inserted into the feed hole 6 of the continuous paper 5 as shown in (b). Is set to the position shown by the broken line, and after the projection 7 is inserted into the sprocket hole 6, it is set to the position shown by the solid line to set the projection 7
The feed hole 6 is further prevented from coming off. For this purpose, it is necessary to remove the cut sheet feeder 4 shown by the one-dot chain line.

The continuous paper feeding section 8 shown in FIG. 6 is for high speed use, which has a drive wheel 14 and a guide wheel 15. For low speed use, the projection 7 is provided on the outer periphery of one sprocket. Things are used. Also in this case, the continuous paper presser 9 is required.

[0007]

As described above, in order to set the continuous paper 5 in the printer body 13, the continuous paper presser 9 must be rotated to the broken line position as shown in FIG. Cut sheet feeder 4 shown by the dotted line
Was removed and set. FIG. 7 is a diagram for explaining the removal and attachment of the cut sheet feeder 4. The cut sheet feeder 4 is mounted on the printer main body 13 in a state where the cut sheet feeder 4 is fitted to the platen shaft 3 at an engaging portion 12 with the platen shaft 3 provided at a lower portion. Therefore, it can be removed by raising it. Conventionally, every time the continuous paper 5 is set, the cut sheet feeder 4 is removed, and after setting, the cut sheet feeder 4 is attached again. Some printers have a space in which the continuous paper presser 9 can freely rotate and can set the continuous paper 5 without removing the cut sheet feeder 4, but in this case, the printer main body 13 becomes large and The cost was also rising.

The present invention has been made in view of the above problems, and provides a printer in which a work space for a continuous paper presser 9 is obtained by rotating a cut sheet feeder 4 around a platen shaft 3. With the goal.

[0009]

In order to achieve the above object, a cut sheet feeder that is rotatable around a shaft 3 of a printer body 13 and supplies a cut sheet 2 to a platen 1 of the printer body 13. 4 and the printer body 3 so as to be covered by the cut sheet feeder 4.
A plurality of projections 7 provided above the continuous paper 5 for engaging the feed holes 6 of the continuous paper 5 and a paper retainer 9 for pressing the continuous paper 5 so that the engagement between the feed holes 6 and the projections 7 is not disengaged. A continuous paper setting device for maintaining the cut sheet feeder 4 rotated by a predetermined angle with respect to the printer body 13 in a printer including a paper transport unit 8.
It is provided with 10.

The continuous paper setting device is detachably attached to the cut sheet feeder 4 or the printer body 13.

Further, one end of the continuous paper setting device 10 is provided with the cut sheet feeder 4 or the printer body 13
It is rotatably attached to.

Further, the printer body 13 or the cut sheet feeder 4 has a fitting portion 18 to which the continuous paper setting device 10 is attached.

[0013]

The continuous paper setting device 10 keeps the cut sheet feeder 4 rotated by a predetermined angle with respect to the printer main body 13 and operates the paper presser 9 that holds the continuous paper 5 to feed the continuous paper 5. After engaging the protrusion 7 with 6,
It can be pressed so that it does not come off.

The continuous paper setting device 10 is detachably attached to the cut sheet feeder 4 or the printer main body 13 so that it can be attached when the paper presser 9 is operated.

If one end of the continuous paper setting device 10 is rotatably attached to the cut sheet feeder 4 or the printer body 13 and the other end is attached to a predetermined position of the printer body 13 or the cut sheet feeder 4, the cut sheet feeder Rotate 4 by a predetermined angle and press the paper 9
You will be able to operate.

By providing the fitting portion 18 for mounting the continuous paper setting device 10 on the printer body 13 or the cut sheet feeder 4, the continuous paper setting device 10 can be easily mounted.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram for explaining the configuration of the first embodiment of the present invention. (A) is a continuous paper setting device 10 and this continuous paper setting device
The connection part of the cut sheet feeder 4 which installs 10 edge parts is shown. Grooves 18 are provided at both ends of the back surface of the cut sheet feeder 4, and studs 17 are provided therein. As shown in the figure, the continuous paper setting device 10 is shaped like a letter "U" as a whole, and both ends thereof are bent as shown, so that the bent parts are hooked on the studs 17 and are in a hooked state. The continuous paper setting device 10 can be rotated by. (B) shows a state in which the continuous paper setting device 10 is hooked on the stud 17.
In this state, the continuous paper 5 is printed.

FIG. 2 is a view for explaining a state where the continuous paper 5 is set in the printer body 13. (A) is a continuous paper setting device
One end of 10 is hooked on the stud 17 of the cut sheet feeder 4 and the other is installed on the horizontal portion 19 of the printer body 13, and the cut sheet feeder 4 is supported by being rotated by θ degrees about the platen shaft 3. This angle θ is an angle at which the continuous paper 5 can be set by rotating the continuous paper presser 9 shown in FIG. 6 to the position indicated by the broken line. (B) shows a state in which the continuous paper 5 is set in the printer body 13 in the state of being rotated by θ degrees in this way.
(C) shows a state in which setting of the continuous sheet 5 is completed, the other side of the continuous sheet setting device 10 is removed from the horizontal portion 19 of the printer body 13, and the cut sheet feeder 4 is returned to the normal position. Although the rotary shaft of the cut sheet feeder 4 is the platen shaft 3 in this embodiment, the platen shaft 3 is not necessarily required.

FIG. 3 is a diagram showing a second embodiment. The present embodiment differs from the first embodiment in that the other side of the continuous paper setting device 10 is elongated and the other side is extended to the horizontal portion 19 of the printer body 13.
The continuous paper 5 is further removed, and the continuous paper 5 supplied while the continuous paper 5 is being printed and the continuous paper 5 that is printed and discharged are reliably separated. In the case of the first embodiment (a), the continuous paper 5 on the supply side and the discharge side may come into contact and get entangled, but by making it as shown in (b), the two are completely separated and entangled. There is no.

[0020]

As is clear from the above description, according to the present invention, the continuous sheet can be set in the printer by rotating the cut sheet feeder so that the continuous sheet can be set. Further, by reliably separating the supply side and the discharge side of the continuous paper, it is possible to prevent the two from being entangled.

[Brief description of drawings]

FIG. 1 is a diagram illustrating a first embodiment of the present invention.

FIG. 2 is a diagram for explaining the operation of the first embodiment.

FIG. 3 is a diagram illustrating a second embodiment.

FIG. 4 is a diagram illustrating a printer that prints continuous paper.

FIG. 5 is a diagram showing a configuration of a cut sheet feeder and a continuous paper feeding unit.

FIG. 6 is a diagram showing a configuration of a continuous sheet feeding unit and a continuous sheet retainer.

FIG. 7 is a diagram illustrating a method for removing and attaching the cut sheet feeder.

[Explanation of symbols]

 3 Platen Axis 4 Cut Sheet Feeder 5 Continuous Paper 6 Continuous Paper Feed Hole 7 Protrusion 8 Continuous Paper Feeding Section 9 Continuous Paper Presser 10 Continuous Paper Setting Device 13 Printer Main Body 17 Stud 18 Groove 19 Horizontal Section

Claims (4)

[Claims] 1. A cut sheet feeder (1) which is rotatable about an axis (3) of a printer body (13) and supplies a cut sheet (2) to a platen (1) of the printer body (13). 4) and a plurality of protrusions (7) which are provided above the printer body (3) so as to be covered by the cut sheet feeder (4) and engage with the feed holes (6) of the continuous paper (5). ) And a continuous paper transport unit (8) having a paper presser (9) for pressing the continuous paper (5) so that the engagement between the feed hole (6) and the protrusion (7) is not disengaged. , The cut sheet feeder (4)
A printer provided with a continuous paper setting device (10) for keeping the printer rotated at a predetermined angle with respect to the printer body (13). 2. The continuous sheet setting device (10) is provided with the cut sheet feeder (4) or the printer body (1).
3. The printer according to claim 1, wherein the printer is detachably attached to the printer. 3. The continuous sheet setting device (10) has one end rotatably attached to the cut sheet feeder (4) or the printer body (13). Printer. 4. The printer body (13) or the cut sheet feeder (4) is the continuous paper setting device (1).
The printer according to claim 2, characterized in that it has a fitting portion (18) for attaching (0).