JPH05238565A - Recording paper receiving mechanism - Google Patents

Abstract

PURPOSE:To surely and easily set recording paper by providing a recording paper receiving part operating mechanism for feeding a recording paper receiving part from the inside to the outside or from the outside to the inside, of a device, and an electric switch for actuating this mechanism. CONSTITUTION:Recording paper 2 is set together with a recording paper receiving part 3 into an electrophotographic printer 1, and a recording paper receiving part operating switch 9 of an upper part operating panel 8 is operated to actuate a drive part 6 by a drive control part 7. A pinion 5 meshed with a rack 4 on a side surface of the recording paper receiving part 3 is provided in a terminal end of the drive part 6, to move the recording paper receiving part 3. When the recording paper receiving part 3 is moved to press a switch 11, the drive part 6 is stopped through the drive control part 7 to stop operation of the recording paper receiving part 3. In the case of actuating the recording paper receiving part 3 from the inside to the outside of the printer 1, by reoperating the switch 9, reverse action to the above-mentioned is performed to feed the recording paper receiving part 3 to the outside to a position where recording paper can be replaced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording paper accommodating mechanism, and more particularly to an operating mechanism of a recording paper accommodating portion for accommodating recording paper of an office machine such as a printer or a facsimile.

[0002]

2. Description of the Related Art There are the following three types of conventional recording paper accommodating mechanisms. A box-shaped storage unit called a hopper or cassette, filled with recording paper, and manually loaded by the operator into the box. A device in which the recording paper storage unit for storing the prepared recording paper is pulled out, and the operator manually pulls it out of the device and stores the recording paper before setting it in the device. Of the above, those that have an operation mechanism that automatically operates the recording paper storage section instead of manual operation.

The operating mechanism for operating the recording paper accommodation unit is a recording paper accommodation unit and a recording paper accommodation unit operation mechanism for automatically feeding the recording paper accommodation unit from the inside of the apparatus to the outside or vice versa. And an electrical switch for operating the recording paper storage unit operating mechanism.The operating mechanism drives a rack provided on the side surface of the recording paper storage unit by engaging a pinion connected to the drive unit. ing.

[0004]

The conventional recording paper accommodating mechanism described above has the following problems. When the recording paper is filled in the storage portion, the weight becomes large and it is difficult to operate manually. When setting the recording paper accommodation unit in the apparatus, the recording paper accommodation unit may not be correctly set at a specified position in the apparatus because the setting is manually performed by the operator.

Further, in the operation mechanism for operating the recording paper accommodation unit for accommodating the recording paper, when the recording paper accommodation unit sent to the outside is manually fed into the apparatus unlike the normal method, A load may be applied to the rack or the pinion part in the operating mechanism, and the part may be damaged.

An object of the present invention is to solve the above-mentioned drawbacks, and to operate a recording paper accommodating portion for accommodating recording paper and a recording paper accommodating portion for feeding the recording paper accommodating portion from inside the apparatus to the outside or vice versa. By having a mechanism and an electric switch for operating the recording paper accommodation section operating mechanism, a reliable and easy recording paper accommodation mechanism for setting recording paper can be obtained, and
A rack and pinion operating mechanism is used for the recording sheet accommodation section operating mechanism, and a torque limiter is provided on the pinion shaft of the pinion to obtain an inexpensive and reliable recording sheet accommodation section operating mechanism. The purpose of the present invention is to provide a recording paper accommodating mechanism.

[0007]

A recording paper accommodating mechanism according to the first aspect of the present invention is a recording paper accommodating mechanism for an apparatus having a mechanism for printing characters or images on a recording paper. And a recording paper accommodation unit operating mechanism for feeding the recording paper accommodation unit from the inside to the outside or vice versa from outside to the inside, and an electrical switch for operating the recording paper accommodation unit operating mechanism.

According to the recording paper accommodating mechanism of the second invention, in the recording paper accommodating mechanism of the first invention, a rack and pinion operating mechanism is added to the recording paper accommodating section operating mechanism for operating the recording paper accommodating section. I'm using it.

The recording paper accommodation mechanism of the third aspect of the present invention is the recording paper accommodation mechanism of the second aspect of the invention, in which the torque limiter is attached to the pinion shaft of the pinion of the recording paper accommodation part operating mechanism for operating the recording paper accommodation part. Are using.

[0010]

Embodiments of the present invention will now be described with reference to the drawings.

First, the first invention will be described.

FIG. 1 is a perspective view showing a state in which a recording paper storage portion 3 of a recording paper storage mechanism according to an embodiment of the first invention is pulled out of the electrophotographic printer 1, and FIG. FIG. 3 is a perspective view showing a state in which the recording paper storage unit 3 of the recording paper storage mechanism of the embodiment of the invention is inserted into the electrophotographic printer 1.

Now, the operation of the recording paper container 3 of the recording paper housing mechanism of the first embodiment of the present invention will be described with reference to the drawings.

1 and 2, the electrophotographic printer 1 is shown.
The recording paper 2 used for recording is stored in the recording paper storage unit 3 and set in the electrophotographic printer 1 together with the recording paper storage unit 3, and in the operation panel 8 attached to the upper portion of the electrophotographic printer 1. When the recording paper container operation switch 9 is operated,
The signal enters the drive controller 7. Then, the drive control unit 7
Drives the drive unit 6. A pinion 5 is attached to the end of the drive unit 6 so as to engage with the rack 4 attached to the side surface of the recording paper storage unit 3, and the operation of the drive unit 6 causes the pinion 5 to rotate in the direction of arrow 12, As a result, the recording paper container 3 moves in the direction of arrow 10. here,
The drive unit 6 and the pinion 5 are directly connected.

The recording paper accommodating portion 3 moves in the direction of the arrow 10 and pushes the switch 11 mounted at the back of the apparatus. When the switch 11 is pressed, the drive control unit 7
The drive unit 6 is stopped through the
Movement in the direction stops.

The mounting position of the switch 11 is determined in advance so that the recording paper container 3 stops at the regular position inside the electrophotographic printer 1.

When the recording paper storage unit 3 is operated from the inside to the outside of the electrophotographic printer 1, the switch 9 in the operation panel 8 is operated again to perform the operation opposite to the above operation and replace the recording paper. The recording paper container 3 is sent to the outside of the electrophotographic printer 1 up to the position where it becomes possible.

In this case, the stop position of the front portion of the recording paper feeding portion is set by a switch (not shown) similar to the switch 11 when the recording paper storage portion 3 is inserted.

Next, the second and third inventions will be described with reference to the drawings.

FIG. 3 is a perspective view showing a state in which the recording paper storage portion 3 of the recording paper storage mechanism according to one embodiment of the second and third inventions is pulled out of the electrophotographic printer 1.

In FIG. 3, the recording paper 2 used for recording by the electrophotographic printer 1 is filled in the recording paper storage unit 3 and set together with the recording paper storage unit 3 in the electrophotographic printer 1.
When the recording paper container operation switch 9 in the operation panel 8 attached to the upper portion of the electrophotographic printer 1 is operated, the signal is input to the drive controller 7. Then, the drive control unit 7 operates the drive unit 6. A pinion 5 is attached to the end of the drive unit 6 so as to engage with the rack 4 attached to the side surface of the recording paper storage unit 3.

A torque limiter 13 is attached between the pinion 5 and the drive unit 6, and the pinion 5 is rotated in the direction of the arrow 12 through the torque limiter 13 by the operation of the drive unit 6, thereby recording. The paper storage unit 3 moves in the direction of arrow 10.

The recording paper accommodating portion 3 moves in the direction of arrow 10 and pushes the switch 11 mounted at the back of the apparatus. When the switch 11 is pressed, the drive control unit 7
The drive unit 6 is stopped through the
Movement in the direction stops. The mounting position of the switch 11 is determined in advance so that the recording paper container 3 stops at the regular position inside the electrophotographic printer 1.

Here, when the recording paper accommodation portion 3 which is first sent to the outside is manually inserted into the electrophotographic printer 1, the rack 4 rotates the pinion 5,
The rotational torque is absorbed by being rotationally slid by the torque limiter 13, is not transmitted to the drive unit 6, and does not destroy the rack 4 and the pinion 5 or the drive unit 6.

However, the slip torque value of the torque limiter 13 is equal to or more than a value sufficient to point the recording paper accommodating portion 3 in a sliding operation and equal to or less than a value that destroys the rack 4 and the pinion 5 or the driving portion 6. It is set.

[0026]

As described above, the recording paper accommodating mechanism of the present invention is a recording paper accommodating mechanism of an apparatus having a mechanism for printing characters or images on a recording paper, and a recording paper accommodating portion for accommodating the recording paper. , A recording paper storage unit operating mechanism for sending the recording paper storage unit from the inside to the outside or vice versa from outside to the inside, and having an electrical switch for operating the recording paper storage unit operating mechanism, There is an effect that a reliable and easy recording paper accommodation mechanism can be obtained.

Further, a rack and pinion operating mechanism is used as a recording paper accommodation unit operating mechanism for operating the recording paper accommodation unit, and a torque limiter is provided on the pinion shaft of the pinion, whereby the recording paper accommodation unit is inexpensive and reliable. There is an effect that an operating mechanism can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a recording paper storage portion 3 of a recording paper storage mechanism according to an embodiment of the first invention is pulled out of an electrophotographic printer 1.

FIG. 2 is a perspective view showing a state in which a recording paper storage portion 3 of the recording paper storage mechanism of the embodiment of the first invention is inserted into the electrophotographic printer 1.

FIG. 3 is a perspective view showing a state in which a recording paper storage unit 3 of a recording paper storage mechanism according to an embodiment of the second and third inventions is pulled out of the electrophotographic printer 1.

[Explanation of symbols]

 1 Electrophotographic Printer 2 Recording Paper 3 Recording Paper Housing 4 Rack 5 Pinion 6 Drive 7 Drive Controller 8 Operation Panel 9 Operation Switch 10 Recording Paper Housing Operating Direction 11 Switch 12 Pinion Rotation 13 Torque Limiter

Claims (3)

[Claims] 1. A recording paper storage mechanism of an apparatus having a mechanism for printing characters or images on a recording paper, and a recording paper storage section for storing the recording paper, and the recording paper storage section inside or outside the apparatus. On the contrary, the recording paper accommodation mechanism is characterized by having a recording paper accommodation unit operating mechanism that is sent from the outside to the inside, and an electrical switch that operates the recording paper accommodation unit operating mechanism. 2. The recording paper accommodating mechanism according to claim 1,
A recording paper accommodating mechanism using a rack and pinion operating mechanism as a recording paper accommodating portion operating mechanism for operating the recording paper accommodating portion. 3. The recording paper accommodating mechanism according to claim 2,
A recording paper accommodating mechanism, wherein a torque limiter is used for a pinion shaft of the pinion of a recording paper accommodating portion operating mechanism that operates the recording paper accommodating portion.