JPS6225768A - Recording device - Google Patents

Abstract

PURPOSE:To easily remove the jam by opening and closing the bottom part of the main body of the recording device, further providing the locking releasing member holding in the closing condition, operating the locking, lifting up the main body and releasing the bottom part. CONSTITUTION:In a main body 1, a photosensitive drum 7 is provided, paper is sent from a cassette 3 to a photosensitive drum 7 by rollers 12 and 13, and transferred by a transferring pole 9. Next, the paper is sent to a fixation roller 14 by a conveying device 15 and discharged to a tray 4. When the jam of the paper occurs at such a time, a lever 27 to lock the main body 1 and the bottom part 20 are operated, locking is released, the main body 1 is lifted up, inclined with the shaft provided at the depth side as a fulcrum and the bottom part 20 is released. Interlocking to release the lever 27, the lock pin of leg parts 21a and 21b is released and leg members 21a and 21b are protruded by energizing the spring. Consequently, since the locking releasing member is operated and the bottom part 20 is released, the device is suitable to the small-sized recording device.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a recording device, and in particular, an object of the present invention is to provide a recording device whose interior can be easily opened when a paper jam or the like occurs inside the recording device. shall be.

[Prior art]

In general, recording devices such as electrophotographic copying machines are designed to eject an image after recording an image on the paper being fed, and if a paper jam occurs during feeding, a so-called jam occurs. is designed to open the inside of the main body and remove jammed paper.

Among those that open the inside of the main body, there is a taram shell type that divides the main body into upper and lower halves, and jams that occur when the fixing unit, paper feed unit, etc. move in parallel in the direction away from the photoreceptor drum, which is the image carrier. There is a product called Chatre Sox 850 (manufactured by Sanyo Electric Co., Ltd.) that secures space for removing paper, but the clamshell type has a large number of parts (and requires a lot of assembly time and is complicated to adjust). Because of this, the overall cost is high (
In addition, the Chatre Sox type has a large number of parts like the Talamusiel type, and the number of assembly steps is also increased, resulting in a high overall cost. In addition to this problem, there was a problem that workability was poor.

(Purpose of the Invention) This invention solves the problems of the conventional products as described above, and reduces the number of parts to lower costs, secure sufficient work space, and It is an object of the present invention to provide a recording device that can be made compact as a whole.

[Structure of the Invention] The present invention provides a recording apparatus that has a conveyance section and is configured to record an image while conveying recording paper with the conveyance section. Additionally, a locking release member is provided to hold the main body in the closed state, and when the locking release member is operated when one side of the main body is lifted upward, the bottom portion is opened.

[Embodiments of the invention]

Embodiments of the invention shown in the drawings will be described below.

1 and 2 show a recording apparatus according to the present invention, in which a Fltc mounting stand and a platen cover 2 are provided on the upper surface of a main body 1, and a paper feed cassette 3 is removably attached to an example of the main body 1. A discharge tray 4 is provided on the other side.

A photoreceptor drum 5 serving as an image carrier is provided inside the main body 1, and a charging device 6 is provided in the upper vicinity of the photoreceptor drum 5 to face it.
An exposure section 7, a developing device 8, a transfer pole 9, a separation pole 10, and a cleaning device 11 are sequentially arranged at the front of the photoconductor drum 5 in the rotational direction so as to approach and face the photoconductor drum 5. There is.

Further, a paper feed roller 12 is provided at the top of the paper feed cassette 3, and the paper feed roller 12 makes contact with the top surface of the uppermost sheet of paper in the paper feed cassette 3 and sequentially feeds out the paper. is conveyed to a position between the transfer pole 9 and the photosensitive drum 5 via a pair of upper and lower registration rollers 13;
Further, a conveyance device 15 is provided between the separation electrode 10 and the fixing device 14, and a pair of upper and lower ejection rollers 16 are provided on the ejection tray 4 side of the fixing device 14.

On the other hand, in the lower part of the main body 1, both sides 1a of the main body 1
, 1b is pivoted between the bottom part 20 and the rear side part of the main body 1, so that the inside of the main body 1 can be opened.

Furthermore, the both sides 1a and lb have leg parts +4' 21 that can be retracted from the lower part of the front side thereof, as shown in Fig. 5.6.7.
a and 21b are respectively arranged, and this leg member 21
a and 21b are housed in spaces 23 formed in both sides 1a and 1b of the main body 10, and are always urged to protrude by a spring 24, and the leg members 2
A lock pin 25a125b is provided in the rotation range of 1a and 21b so as to be retractable, and is urged by a spring 26 to protrude.

The lock pins 25a, 25b and the handle of the main body l are provided in the part 22, and are swingable in the vertical direction, and the tip part is a bottom part that can be opened and closed with respect to the main body l. A release lever 27, which is a release member that locks the tip of the release lever 20, is connected to a pulley 29 fixed to a shaft 28, which is the center of swing, by a wire 31. When the part is swung upward, the lock pins 25a, 25 are locked by the wire 31.
b moves to the retracted position against the biasing force of the spring 26 and is removed from the rotation range of the leg members 21a and 21b.

A so-called conveyance system, such as the transfer pole 9, separation pole 10, conveyance device 15, etc., is arranged at the bottom 20 of the main body 1.

In this embodiment, only the transfer, separation, and conveyance sections are opened, but it may be configured such that one of the fixing rollers is opened integrally with the device.

Next, the operation of the above will be explained.

First, the uppermost sheet of paper in the paper feed cassette 3 is conveyed by the paper feed roller 12 and reaches a pair of upper and lower registration rollers 13, where it is re-fed at a predetermined timing and transferred to the photoreceptor drum 5 and the transfer pole. It reaches between 9 and 9.

On the other hand, by this point, a toner image corresponding to the original image has been formed on the photoreceptor drum 5 by the developing device 8 and the like, and since the toner image is at a position corresponding to the conveyed paper, the transfer pole 9 transferred to the separation pole 10
After being separated at
6, the paper is discharged onto a discharge tray 4 provided on the other side of the main body 1.

During such operation, paper jams may occur inside the main body 1.
In the event that a so-called jam occurs, first, as shown in FIG. Lift the main body 1 upward while pressing the lever 27.

When lifting the front side of the main body 1 upward in this way, the release lever 27 is pressed and the front side swings around the shaft 28, so that the engagement with the bottom part 20 is released, and the bottom part 20 is not connected to the main body. Since the bottom part 20 is pivoted between the main body 1 and the main body 1 on the back side, the bottom part 20 does not rise together with the main body 1, and therefore the bottom part 20 is open. Further, the rollers of the fixing section may be pressed and released as necessary.

Furthermore, when the release lever 27 swings to release the engagement with the bottom portion 20, the pulley 29 fixed to the shaft 28 of the release lever 27 is rotated together with the release lever 27 in a direction in which the wire 31 is wound; That is, lock bin 25
a, 25b are moved in the direction of pulling against the urging force of the spring 26, so the lock bins 25a, 25b are moved in the direction of pulling the leg members 21.
a and 21b, and as a result, the leg member 21a
, 21b are attached to both sides 1a, 1 of the main body 1 by the spring 24.
It protrudes from the empty space 23 of b.

Therefore, even if the handle of the main body 1 is released from the part 22, the main body l remains in the inclined state with the front side facing upward, that is, the state shown in FIG. 5.6, and the bottom part 20 is open. Therefore, jam processing can be easily performed.

When the internal jam removal is completed in this way, the handle portion 22 of the main body l is used to lift the body l slightly upwards, and then the leg members 21a and 21b are moved to the side portions 1a and 21b.
lb, and store it in the space 23 with the lock bins 25a and 25b, and also release the bottom part 20 with the release lever 2.
If it is locked at 7, the work is finished.

In the above embodiment, the leg members 21a and 21b are automatically projected downward; however, the present invention is not limited to this, and the leg members 21a and 21b are manually extended after the main body l is swung upward.
, 21b may be configured to protrude.

〔Effect of the invention〕

By configuring the invention as described above, the number of parts required is small, and therefore the cost is reduced, and the interior can be opened very easily. This can be done by activating the unlocking member, so it can be used for small recording devices.
It has excellent effects such as:

[Brief explanation of drawings]

FIG. 1 is an overall schematic perspective view of a recording device according to the present invention, FIG. 2 is an overall schematic front view, FIG. 3 is a schematic perspective view, FIG. 4 is a partially cutaway schematic perspective view, and FIG. 5 is an internal view. Fig. 6 is a schematic perspective view showing the inside in an open state, Fig. 7 is a diagram showing the relationship between the leg member, the mouth, and the cuppin, and Fig. 8 is the release lever and lock. It is a figure showing the relationship with a pin. 1... Main body 1a, lb... Side part 3... Paper feed cassette 4... Ejection tray 5... Photosensitive drum 6. ...Charging device 8...Developing device 9.
...Transfer pole 10...Separation scraper 11...
... Cleaning device 12 ... Paper feed roller 13 ... Registration roller 14 ... Fixing device 15 ... (general feeding device 16 ...) ...Ejection roller 20...Bottom parts 21a, 21b...Leg members 22...Handle parts 23...Empty spaces 24, 26... ...Springs 25a, 25b...Lock pin 27...
・Release lever 28...Shaft 29...Pulley 3
0... Pivot support 31... Wire 1st
Figure lb Figure 6

Claims (3)

[Claims] (1) In a recording device that has a conveyance section and is configured to record an image while conveying recording paper with the conveyance section, the bottom of the main body of the recording device is configured to be openable and closable;
A recording device characterized in that a lock release member is provided to hold the main body in a closed state, and when the lock release member is operated when one side of the main body is lifted upward, the bottom portion is brought into an open state. (2) The recording device according to claim 1, wherein the lock release member is provided on a handle portion used to lift the main body upward. (3) The main body is provided with a holding member that holds the bottom portion in a lifted state when the bottom portion is opened by the unlocking member.
Recording device as described in section.