JPS5941662Y2 - Paper feeding device in facsimile receivers, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a paper feeding device in an electrostatic recording device, such as a facsimile receiver, which records an electrostatic latent image on paper unraveled from a roll paper.

Conventionally, a roll paper holder that can be placed at a paper feeding position and a loading/unloading position is used, and a voltage corresponding to the image is applied to the paper unraveled from the roll paper to record and form an electrostatic latent image. A stylus electrode serving as a recording head, a back electrode serving as a back member provided opposite to the stylus electrode, a cutter 9 for cutting the paper on which the electrostatic latent image has been formed, and a cutter 9 for cutting the paper on which the electrostatic latent image has been formed, and a cutter 9 for cutting the paper on which the electrostatic latent image has been formed, and A facsimile receiver is known that has a conveyance roller that conveys paper and a guide member that guides the paper unraveled from the roll paper. It was troublesome because it was necessary to separately perform the operation of setting the roll paper and the operation of separating the back electrode from the stylus electrode in order to pass the paper unraveled from the roll paper between the stylus electrode and the back electrode.

The purpose of the present invention is to facilitate the paper feeding operation in the above-mentioned facsimile receiver, etc. by separating the back electrode from the stylus electrode in conjunction with the movement of the roll paper from the paper feeding position to the attachment/detachment position. The purpose of the present invention is to provide an electrostatic recording device that can be used.

The present invention will be explained below based on the illustrated embodiments.

In FIG. 1, reference numeral 1 indicates a roll paper.

The roll paper 1 is supported by a support shaft 2, and the support shaft 2 is rotatably supported in support holes 3a of holders 3 and 4 arranged on both sides of the roll paper 1.

The roll paper 1 has support holes 3a of the holders 3 and 4.
It can be removed from the holder 3 by moving it in the opening direction.

Support shafts 5 (the support shafts of the holder 4 are not shown) are protruded from the lower part of the holder 3, and these support shafts 5 are rotatably supported by immovable members.
, 4 can be manually placed in the paper feed position shown in FIG. 2 and the attachment/detachment position shown in FIG.
The holders 3 and 4 are rotated around the center.

The paper 1a unraveled from the roll paper 1 supported by the holders 3 and 4 is guided by a guide member (not shown) and passes between the conveying rollers 6 and 7, and then passes between the stylus electrode 8 and the back electrode. 9, and then between conveyance rollers 10.11, and then sent in one direction to a cutter (not shown).

A pulley 12.1 is attached to one end of the conveyance roller 6.10.
A belt 13 moved by a motor (not shown) is attached to these pulleys 12, and the conveyance roller 6.10 is rotated in the direction of the arrow by the motor, and accordingly Transport roller 7.1
1 is also rotated in the direction of the arrow to transport the paper between them.

The stylus electrode 8 forms an electrostatic latent image by applying a voltage according to an image to the paper between the stylus electrode 8 and the back electrode 9.

On both sides of the back electrode 9 are operating bins 9at9.
b is provided in a protruding manner, and a guide pin 9c is also provided in a protruding manner on the upper surface portion.

Guide plates 14 and 14 fixed to side plates (not shown) are provided on both sides of the back electrode 9, respectively.

The guide plate 14 has a guide hole 14a formed therein for guiding the operating bins 9ay9b, and a guide shaft 14b for guiding the guide bins 9C.

A support shaft 15 rotatably supported on a stationary member is disposed between the transport roller 6.7 and the back electrode 9 and below the paper path.

An operating rod 16 is fixed to one end of the support shaft 15, and a roller 17 placed on the side edge of the holder 3 is provided on the holder 3 side of the operating rod 16. The operating rod 16 is moved so that the roller 17 is brought into contact with the holder 3.
The other end of the actuating rod 16 is located below the actuating bin 9a as shown in FIG. 2 when the holders 3 and 4 are in the paper feeding position. It is configured to be located in

One end of an operating rod 19 is fixed to the other end of the support shaft 15, and the other end of the operating rod 19 is located below the operating bin 9b when the holders 3 and 4 are in the paper feeding position. It looks like this.

FIG. 2 shows the case where the holders 3 and 4 are in the paper feeding position, and FIG. 3 shows the case where the holders 3 and 4 are in the attachment/detachment position.

When the holders 3 and 4 are in the paper feeding position, the actuating rod 16,
19 is not in contact with the actuating bottle 9as9b, the back electrode 9 presses the paper against the stylus electrode 8 with constant pressure.

When the holders 3 and 4 are rotated from the paper feeding position shown in FIG. 2 in the direction indicated by the arrow and placed in the attachment/detachment position shown in FIG. 16 on the operating bin 9a side rises,
The support shaft 15 is rotated by the operating rod 16, and the end of the operating rod 19 on the operating bin 9b side rises, and the operating bins 9a, s
b to separate the back electrode 9 upward from the stylus electrode 8.

The roll paper can be replaced when the holders 3, 4 are in the attachment/detachment position.

After setting new roll paper in the holders 3 and 4 in the attachment/detachment position, insert the tip of the paper unraveled from the roll paper 1 between the transport rollers 6 and 7 while turning the knob 6a of the transport roller 6, and then insert the paper between the transport rollers 6 and 7. By inserting the paper between the stylus electrode 8 and the back electrode 9 which are separated from each other, and then between the transport rollers 10 and 11, the roll paper 1 becomes ready for paper feeding.

A paper detector 20 is arranged near the conveyance rollers 10, 11, and a display connected to the paper detector 20 displays whether or not the paper has been correctly set.

When the paper is correctly set, when the holders 3 and 4 are rotated from the attachment/detachment position and placed in the paper feeding position, the other end of the actuating rod 16 on the holder 3 side will move to the holder 3 as a result of this movement. At the same time, the end of the operating rod 16 on the operating bin 9a side descends and separates from the operating bin 9a.
At the same time, the end of the actuating rod 19 fixed to the support shaft 15 rotated by the actuating rod 16 on the actuating bin 9b side also descends and leaves the actuating bin 9b, so that the back electrode 9 comes into contact with the paper.

Another embodiment of the invention is shown in FIG.

In FIG. 4, reference numeral 21 indicates roll paper.

The roll paper 21 is supported by a support shaft 22, and the support shaft 22 is rotatably supported by support holes 23a of holders 23 and 24 provided on both sides of the roll paper 21.

The roll paper 21 moves toward the opening of the support hole 23a of the holder 23.
．． It can be removed from 24.

Support shafts 25 (the support shafts of the holder 24 are not shown) are protruded from the lower part of the holders 23 and 24, and these support shafts 25 are rotatably supported by immovable members. .24 can be rotated in the direction of arrow C about a support shaft 25 so that it can be placed between a paper feeding position and an attachment/detachment position by manual operation.

Roll paper 2 supported by the above holder 23 and 24
The paper unraveled from 1 passes between conveyance rollers 26 and 27 while being guided by a guide member (not shown),
Next, it passes between the stylus electrode 28 and the back electrode 29, and then between the conveying rollers 30, 31, and then is sent to a cutter (not shown) in one direction.

A pulley 32 is provided at one end of the conveyance roller 26°30.
A belt 34, which is moved by a motor (not shown), is attached to these pulleys 32, 33, and the conveyor rollers 26, 30 are rotated by the motor in the direction of the arrow. The transport rollers 27, 31 are accordingly rotated in the direction of the arrow to transport the paper between them.

Operating bins 29a are provided on both sides of the back electrode 29, respectively.
is installed protrudingly.

On both sides of the back electrode 29, actuating plates 35.35 are provided which are guided by guide members (not shown), and this actuating plate 35 has a hole 35a into which the actuating bottle 29a is inserted. At the same time, the conveyance roller 27.degree. 31 is rotatably supported.

Connecting rods 36 are provided on the holder 23 and 24 sides of the actuating plate 35, respectively.

A projecting plate 37 is formed at the lower part of the holder 23, 24, and a connecting shaft 38 is fixed to this projecting plate 37, and the ends of the connecting rod 36 are connected to both ends of the connecting shaft 38. When the holders 23 and 24 are rotated, a projecting plate 37 integrated therewith is rotated, and as the projecting plate 37 is rotated, an operating plate 35 integrated therewith is moved up and down. ing.

When the holders 23 and 24 are in the paper feeding position as shown in FIG. holder 23.2 when the holder 23.24 is in the detached position.
The actuating plate 35 is pushed up by the projecting plate 37 of No. 4, and the actuating plate 35 pushes up the actuating bottle 29a to separate the back electrode 29 from the stylus electrode 28, and also pushes up the conveying roller 27.31 to separate it from the conveying roller 26.30. It looks like this.

When the holders 23, 24 are placed in the attachment/detachment position in this manner, the back electrode 29 is separated from the stylus electrode 28, and the conveyance rollers 27.31 are moved away from the conveyance rollers 26.
If it is separated from 30, it will be very easy to pass the paper through.

According to the present invention, the back electrode can be separated from the stylus electrode in conjunction with the operation of changing the roll paper holder from the paper feeding position to the loading/unloading position. Since no members are required, the structure can be simplified, and furthermore, since there is no need to distinguish between the operation of separating the electrodes and the setting of paper, the paper feeding operation is easy.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the electrostatic recording device of the present invention, FIGS. 2 and 3 are diagrams illustrating the operation of the same electrostatic recording device, and FIG. 4 is a perspective view showing another embodiment of the present invention. It is a diagram. 1, 21----- Roll paper, 3, 4, 23
゜24...Holder, 8.28...Stylus electrode, 9.29...Back electrode, 9a,
9b... Operating bin, 9c... Guide bin, 14... Guide plate, 14a... Guide hole, 15... Support shaft, 16... Actuation rod,
17...Colo, 18...Spring, 35.
...Actuation plate, 35a... Hole, 29a...
...Operating bottle, 36...Connecting rod, 37...
...Piece, 3B...Connection shaft.

Claims (1)

[Scope of utility model registration request] A roll paper halter that can be placed at a paper feeding position and a loading/unloading position, a recording head that records and forms an electrostatic latent image by applying a voltage according to the image to the paper unraveled from the roll paper, and this recording head. a back member provided facing the head; a cutter for cutting the paper on which the electrostatic latent image is formed; a conveying roller for transporting the paper unraveled from the roll paper; In a facsimile receiver or the like having a guide member for guiding paper, the stationary paper is characterized in that the back member is separated from the recording head in conjunction with the operation of changing the roll paper holder from the paper feed upright position to the attachment/detachment position. Electric recording device.