JPS58121082A - Picture recording device - Google Patents

Abstract

PURPOSE:To execute easily replacement of a recording medium and jam processing, by assembling a recording medium part and a part of a peripheral apparatus into a unit to load to or unload from the body. CONSTITUTION:A belt cassette 1 is constituted so as to be freely attachable and detachable to and from the body. On this belt cassette 1, an endless belt-like recording medium 2 is provided. Also, each device such as a destaticizing charger 3, a electrifying charger 4, a recording head 5 and a cleaner 8, which have been placed on the upper side of the belt cassette 1 is fitted on a common base to convert to a unit. This part which has been converted to a unit, and the belt cassette 1 are formed as an upper unit A to be attached and detached freely to and from the body.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a transfer type 1III inertia recording device using an endless belt-like recording medium. Transfer In the "shaped art recording device", a recording medium V* is suspended between drive rollers and tensilon rollers that are appropriately installed at fixed positions, and the recording medium is stretched or loosened by the tensilan rollers. I'm trying to get them to put on and take off.

However, charging, recording, development, transfer, etc. are carried out around the recording medium.
It is equipped with various devices that perform recording processes such as cleaning sequentially as the recording medium moves, and a mechanism that feeds and transports the recording paper at a fixed timing, making it difficult to attach and detach the recording medium. Furthermore, when mounting a recording medium, it is essential to ensure positional accuracy with respect to the various devices installed around it (a large number of devices).

In addition, when a jam occurs, it is necessary to remove the jammed recording paper while keeping each part fixed, making the work of clearing the jam difficult. In particular, the recording medium section and some of its peripheral devices are made into a unit so that they can be easily attached to or removed from the main body, making it easy to replace the recording medium. The present invention also provides an image recording device that can easily handle paper jams.

Hereinafter, a ninth embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1. In the brass device according to the present invention.

As shown in No. 1 @, a belt cassette 1-1 (see Figure 112), which is made into a cassette so that it can be freely attached and detached from the 5 ics main body, and the belt cassette IK are appropriately arranged around the endless belt-shaped recording medium 2. and a charging DC charger 3 and a charging DC charger 4 (both chargers 3 and 4 uniformly charge the recording medium 2), which sequentially execute an electrostatic recording process in accordance with the movement of the recording medium 2 in the 11 scanning direction. ), a recording head 59 in which styluses are arranged in an array in the main scanning direction with respect to the recording medium 2 surface; Electric recording process system and recording paper 10 in cassette 9
i. A feeding roller 11 whose leading edge is fed to the transfer position at a timing that coincides with the leading edge of the image area developed on the second surface of the recording medium. A belt mechanism 14 that transports the transferred paper, a fixing device 15 that performs fixing processing on the transported paper, and a belt mechanism 14 that transports the transferred paper. Place the recording paper in tray 1.
7 and a discharge roller 16.

Moreover, the belt cassette l is 51C as shown in FIG.
, a drive roller 19 and an idle roller 20.2j attached rotatably between the frame plates 18, a guide hole provided on the frame plate 18 and a guide hole that engages with a guide bin n provided on the frame plate ls side. An endless belt-shaped recording medium 2t is mounted between a guide bin 25t that engages with a guide hole U, a tension roller 27 that is rotatably attached between a tension rope and a lever that can be pushed and slid laterally. At the same time, one end of the release lever 4, which is rotatably attached to the frame plate 1j with the K shaft 28, is connected to the guide bin part with a link, and a tension part is connected between the guide bin part and the tension lever part. spring 31
It is constructed by attaching the

Note that 32 in Figure 1 indicates a stopper of the release lever 4. However, the belt cassette IK configured in this way
If so, the tension-opening spring 31 is constantly working (as a result of this, the tension-opening lever protrudes outward from the frame plate 18,
A certain tension is applied to the recording medium 2 mounted between the rollers via the tension roller 27Y, but by turning the release lever 29 in the direction of the arrow in FIG. If the tension release lever 26t is pulled inward against the tension spring 31, the tension release can be released, and in this state, the recording medium 20 can be easily attached and detached. . Note that the back roller 32 of the recording head 5 (see FIG. 1) and the back roller of the cleaner 8 (not shown) are integrated into the belt force set 1 between the frame plate 18. In the image recording apparatus configured as above, according to the present invention, a static elimination charger 3. Charging charger 4. Recording head5. The cleaner 8 part is mounted on a common base to form a unit, and the unitized part and the belt cassette 1 can be freely attached and detached from the main body as an upper unit.

Figure IN3 shows an example of a configuration in which the upper unit can be attached and detached from the main body B side.
In this case, the rear part of the base frame 33 of the upper unit is rotatably attached to the main body via the pivot 34k, so that the base frame 33 can be opened upward, and the fourth As shown in the figure, the rear part t base frame 33 of the #IC belt cassette l (
It is rotatably attached to the provided regulating plate 36 via a pivot 35, and when the base frame 33 is opened, the belt cassette l is also attached (as shown in Fig. 3, the belt cassette l is The open state of 1 is free within a certain range with respect to the base frame 33 (the regulation plate 36
It is now regulated by. Furthermore, a fixing lever 37 is provided at the front part of the base frame 33.

Fixing hook 3 on the corresponding belt cassette 1 part
8 are provided for each.

1, zz<-37'@7tsuk38K By engaging the belt cassette 1t and the base frame 33 side, the two can be integrated (opened). When the upper unit consisting of the base frame 33 is attached to the main body B.

The upper unit can be fixed to the main body B@Vc by pulling a fixing lever 39 provided on the base frame 33 side (a fixing lever 39 V) to a fixing pin 4° provided on the main body B side. , upper unit A
When installed in the main body B (when the charger 3, 4, recording head 5, and cleaner 8 disposed in the belt cassette 1 and the base frame 33 are respectively positioned in a predetermined position, the image recording process is executed with high precision. In addition, the upper unit A can be easily opened and installed with one hand.
A handlebar 41 is attached to the front of the base frame 33.

Therefore, in the image recording apparatus according to the present invention configured as shown in FIG.
If you do this, you can easily attach and detach the recording medium 2 in the belt cassette (1iC).
When clearing a jam (when removing the belt cassette 1 from the base frame 33)
Since there is no need to remove the chain or hook 38 from the upper unit, it is easy to clear the jam by simply opening the upper unit upward. By releasing the upper unit upward VCl2, it is always [!!3 (
Condition as shown! Il! (In that case, the lever 37 and hook 38 for fixing the belt cassette 1 to the base frame ss@ are unnecessary.

FIG. 5 shows another configuration example in which the upper unit can be attached and detached from the main body B11. In this case, the base frame 33 of the 7ff unit
k The main body B can be opened in the upper side direction. Also, even in this case, base frame 3
3. The means for attaching the belt cassette 1 to the K are the same as those shown in FIG.

6 and 7 show an example of a configuration in which the tension of the belt cassette 1 is automatically released when the upper unit is opened above the main body B. In place of the release lever 4 and the link shown in Figure 2, there is LX t, a lever 42 Y for releasing the tension lever 42 Y, and a frame plate 18 # through a pin 43 in the center thereof.
A tension release spring 44 (having a stronger spring force than the spring 31) is mounted between one end of the lever 42 and the frame plate 18, and the belt force is increased. When installing 1) onto the main body, lock the other end of the lever 42 and release the spring 44.
Locking pin 4 that restricts the movement of lever 42 by K
5 is installed on the main body BIIK. However,
With this configuration, when the upper unit is opened above the main body B as described above, the lever 42 is no longer restrained by the locking pin 45K of the other layer, and the lever 42 is released. - The force presses the guide pin 25 by the action of the spring 44, which causes the tension lever 2 to slide inward and release the tension automatically. Note that the mechanism consisting of the lever 42, spring 44, and locking pin 45 of the tensile lever is provided on the rear side of the belt cassette 10, and
The guide bins 25 on the front and rear sides are pressed through the guide bins 25 on the front and rear sides so as not to interfere with the mounting of the recording medium 2 on the belt cassette l. In a transfer-type image recording device that sequentially performs a recording process by electrostatic recording or electrophotography according to the movement of an endless belt-shaped recording medium, a recording medium V is mounted between a drive roller, an idle roller, and a tensile array 9. The belt part is made into a T-cassette, and various process equipment such as a charger and a recorder installed above the belt cassette are integrated into a common base frame, and the belt cassette and base frame are used as an upper unit. By opening the upper part of the Y main body, it is possible to easily attach and remove recording media and clear jams, and Since the upper unit can be separated from the main body and the working sound material can be placed there, there is no need to provide extra space for working as in the past, and the system can be made more compact. It has various excellent advantages.

Note that the present invention is not limited to the case of the Eft Iki brass device, and the exchange v! ! Needless to say, the same method can be applied to the entire apparatus using K bodies (for example, an ink ribbon, a conveyor belt, a transfer belt, etc.).

[Brief explanation of the drawing]

Figure 1 is a simplified front view showing an example of the configuration of a transfer type image recording device, Figure 1!2Q is a front view showing an example of the configuration of a belt cassette, and Figures 1g and 3 are views of the upper unit when it is opened above the main body. FIG. 4 is a perspective view of an image recording apparatus according to an embodiment of the present invention shown in the figure M'l, and FIG. 4 is a view of the opening mechanism of the upper unit viewed from the side. FIG. 5 is a perspective view showing another embodiment of the invention. 615iQ is a rear view of a belt cassette portion having an automatic tension release mechanism, and FIG. 7 is a plan view showing the structure of the automatic tension release mechanism when viewed from above. Upper unit) B-4 body 1 Belt cassette 2 Recording medium 18 - e plate 26 Tenseen lever 4... Tenseen railer Four...
Tension release lever 33...Base frame 42-...
Tenshiso release lever Exhibitor's agent Kiyoshi Torii Figure 4 Figure 3 Procedural amendment document March 1980 Saeichi Commissioner of the Patent Office Shima 1) Haruki Tono1, Indication of the case 2, Name of the invention - Relationship with the case of the person making the amendment to my recording device 3° Patent applicant: 1-3-6-4 Nakamagome, Ota-ku, Tokyo; attorney: Yokohama (045) 201-7858 (7774); patent attorney: Kiyoshi Torii 5; Date of amendment order (Monday/Day, Showa) 6. Number of inventions made by the amendment 7. Detailed explanation of the invention in the specification subject to amendment and drawings (1) @Application form aS page! On the 6th line of I, after "Remove", press "Release lever 29".
Insert J'& by turning it. 1) On page 110 of the same page, in the first line of g, delete the phrase ``in the center.'' (3) 111IGl"JIa diagram>! and 11511t
Jl lickf) ml correct. Figure 3 Figure 5

Claims (1)

[Claims] In a transfer-type recording device that sequentially performs electrostatic recording or electrophotographic recording processes as an endless belt-shaped recording medium moves, the recording medium is torn between a drive roller, an idle roller, and a tension roller. At the same time as converting the belt part into a cassette, the various process equipment placed above the belt cassette are integrated into a common base frame, and the belt cassette, base frame and upper unit are formed above the main body of the cassette. A VM image recording device which takes a kW signal and takes a means to open it.