JPH0632467A - Paper feeding cassette - Google Patents

Abstract

PURPOSE:To reduce the area of setting an apparatus by bending recording papers in s simple structure. CONSTITUTION:A paper sheet cassette 1 which can be mounted demountably on a recorder main body is divided into two parts to the front side and the rear side in the recording paper advancing direction, and the rear side cassette 3 is conbined rotatably to the front side cassette 2. When the paper sheet cassette 1 is installed to the recorder main body, the rear side cassette 3 is bent to the main body side. When recording papers are supplied to the paper sheet cassette 1, the rear side cassette 3 is rotated to the same plane with the front side cassette 2, and the front side cassette 2 and the rear side cassette 3 are fixed in the linear form with a fixing shaft 8 provided at the connection. When the paper sheet cassette 1 has been installed to the recorder main body, the fixation with the fixing shaft 8 is released so as to make the rear side cassette 3 rotatable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper cassette of a recording unit using a cassette paper as a recording paper for a copying machine, a printer, a facsimile, etc.

[0002]

2. Description of the Related Art As a paper feed tray for feeding recording paper made of cut paper to a recording portion of a copying machine or the like, the tray is divided into two parts, and a rear tray is slidable with respect to a front tray. An elastic plate is fixed on the upper surface of the bottom plate, and the rear tray is pulled out to supply recording paper.When the tray is open, the elastic plate is horizontal, and when the tray is closed, the elastic plate is elastic using the motor, pulley and wire. It has been disclosed that the plate is bent toward the main body of the recording unit and the recording paper is bent toward the main body to feed the paper, thereby reducing the installation area of the device during use (actual use flat 2-
69628).

[0003]

When the tray configured as described above is used, the equipment installation area during use can be reduced, but the rear tray is pulled out horizontally when recording paper is replenished. The tray opening / closing space is required on the side of the main body.

Further, a drive system such as a motor, a pulley and a wire is required to bend the recording paper toward the main body,
The structure becomes complicated and the number of parts increases.

The present invention has been made in order to improve such a point, and an object thereof is to obtain a paper cassette capable of curving the recording paper with a simple structure to reduce the equipment installation area. .

[0006]

A paper cassette according to the present invention comprises a front cassette and a rear cassette which are divided into two in the front and rear of the recording paper advancing direction, and the rear cassette is rotatable with respect to the front cassette. It is characterized in that the front cassette and the rear cassette are connected to and detachable from the recording unit main body.

At the connecting portion between the front cassette and the rear cassette, there is a fixing means for fixing the front cassette and the rear cassette when the front cassette and the rear cassette are linear, and the fixing means is the front portion. When the cassette and the rear cassette are attached to the recording unit main body, the fixation is released by the fixing opening means provided in the recording unit main body.

Further, it is preferable that the connecting portion between the front cassette and the rear cassette has positioning means for positioning the rear cassette at an arbitrary angle with respect to the front cassette when the fixation of the fixing means is released.

[0009]

According to the present invention, a removable paper cassette is divided into two parts in the recording unit main body before and after the recording paper advancing direction, the rear cassette is rotatably connected to the front cassette, and the paper cassette is connected to the recording unit. When mounted on the main body, fold the rear cassette toward the main body. When the recording paper is replenished to the paper cassette, the paper cassette can be pulled out from the recording unit main body even with the rear cassette folded.

When the folded rear cassette is rotated to the same plane as the front cassette, the front cassette and the rear cassette are linearly fixed by the fixing means provided in the connecting portion, so that the recording paper can be easily replenished. To

When this paper cassette is attached to the recording unit main body, the fixing and releasing means provided in the recording unit main body releases the fixation of the front cassette and the rear cassette, and the rear cassette is made rotatable.

The rear cassette is positioned by the positioning means at an arbitrary angle with respect to the front cassette.

[0013]

1 and 2 show the structure of an embodiment of the present invention. FIG. 1 is a side sectional view and FIG. 2 is a plan view. As shown in the figure, the paper cassette 1 is divided into two parts, a front cassette 2 and a rear cassette 3, which are connected to each other. Support shafts 4 are provided on both side surfaces of the connecting portion between the front cassette 2 and the rear cassette 3, and the rear cassette 3 is rotatably connected to the front cassette 2. The rear cassette 3 is slidably attached to two support ribs 5 and 6 on both sides of the upper surface, and is biased by a spring 7 in the direction of the front cassette 2 so that the front end projects toward the front cassette 2 side. A shaft 8 is provided. The front end of the fixed shaft 8 enters the through hole of the locking rib 9 of the front cassette 2 when the rear cassette 3 is aligned with the front cassette 2, and the rear cassette 3 and the front cassette 2 are aligned. Fixed in the shape.

Openings 10 are provided near the front side of the locking rib 9 of the front cassette 2.

On both outer side surfaces of the front cassette 2, as shown in FIG. 3, a cassette receiver 1 made of an elastic member such as a synthetic resin provided in a cassette housing portion 12 of the recording portion main body.
Fixing ribs 11 that engage with 3 are provided. A positioning portion 13a protruding upward is provided on the lower portion of the cassette receiver 13, and the positioning portion 13a can be bent to a certain extent in the vertical direction. Also, the fixing rib 11
Has a positioning portion 11a protruding downward.

At the position corresponding to the opening 10 of the front cassette 2 of the cassette housing portion 12 of the recording portion main body, there is provided a fixing releasing portion 15 having a fixing releasing pin 14 at its tip.

In order to stack the recording paper 16 on the paper cassette 1 constructed as described above, the paper cassette 1 is taken out from the cassette housing 12 of the recording unit main body, and the rear cassette 3 is aligned with the front cassette 2. When it is rotated so as to be in a fixed shape, as shown in the partial cross-sectional view of FIG. 4, the tip portion of the fixed shaft 8 attached to the rear cassette 3 is moved by the urging force of the spring 7 to the locking rib 9 of the front cassette 2. The rear cassette 3 and the front cassette 2 are fixed in a straight line into the through hole. In this state, the recording paper 16 is put into the paper cassette 1
Since the recording paper 16 is loaded inside, the recording paper 16 can be easily loaded.

After the recording papers 16 are stacked in the paper cassette 1, the paper cassette 1 is placed in the cassette storage unit 12 of the recording unit main body.
Attach to. This paper cassette 1 is used as a cassette storage 12
The fixing rib 11 provided on the outer side surface of the front cassette 2 when mounted on the
The positioning portion 11a projecting downward from the fixing rib 11 is positioned and fixed by overcoming the positioning portion 13a projecting above the cassette receiver 13 of the cassette housing portion 12. Further, when the positioning portion 11 a of the fixing rib 11 is guided by the positioning portion 13 a of the cassette receiver 13, the fixation releasing pin 14 of the fixation releasing portion 15 enters inside from the opening 10 of the front cassette 3. When the positioning portion 11a of the fixing rib 11 gets over the positioning portion 13a of the cassette receiver 13, as shown in FIG.
The fixing release pin 14 contacts the tip of the fixed shaft 8 and pushes the fixed shaft 8 toward the rear cassette 3 to remove it from the through hole of the locking rib 9. Thereby, the front cassette 2 by the fixed shaft 8
Then, the fixation of the rear cassette 3 is released, and the rear cassette 3 becomes rotatable with respect to the front cassette 2. Therefore, as shown in FIG. 6, the rear cassette 3 is connected to the recording unit main body 1
The lock mechanism 17 provided on the recording unit body 16 is rotated to the 6 side.
Then, the rear cassette 3 is fixed.

In this way, the paper cassette 1 is attached to the recording unit main body 1
Since the front cassette 2 and the rear cassette 3 are released from the fixed state when they are attached to the rear cassette 6 and the rear cassette 3 is rotated and fixed to the recording unit body 16 side, the installation area of the recording unit body 16 when used is small. can do.

In addition, from the recording unit main body 16 to the paper cassette 1
Since the rear cassette 3 can be pulled out while being rotated toward the recording unit main body 16 when the paper cassette 1 is taken out, the space for taking out the paper cassette 1 can be reduced.

In the above embodiment, the case where the rear cassette 3 rotated to the recording unit body 16 side is fixed by the lock mechanism 17 provided in the recording unit body 16 has been described, but the front cassette 2 and the rear cassette 3 are described. By providing a ratchet, a friction member or the like at the connecting portion of 3, the recording portion main body 16
The rear cassette 3 can be rotated and fixed at an arbitrary angle according to the installation state and the use state of the. Further, when the rear cassette 3 is rotated to the maximum, as shown in FIG.
The rear end portion 3a of the rear cassette 3 can also be used as a support portion for the rear end portion of the original document 18, and the usability can be improved.

In the above embodiment, the case where the front cassette 2 and the rear cassette 3 are fixed to each other by fixing the front end of the front cassette 2 with the fixed shaft 8 has been described. It may be fixed by sliding it along the bottom plate.

[0023]

As described above, according to the present invention, the paper cassette which is detachable from the recording unit main body is divided into two parts before and after the recording paper advancing direction, and the rear cassette is rotatably connected to the front cassette. Since the rear cassette is bent toward the main body when the paper cassette is attached to the recording unit main body, the installation area during use can be reduced with a simple structure.

Further, by bending the rear cassette toward the main body, the loaded recording paper is curved, so that the separating performance when the recording paper is conveyed can be improved.

When the paper cassette is taken out from the recording unit main body, the paper cassette can be pulled out from the recording unit main body even with the rear cassette folded, so that the space for taking out the paper cassette can be made small. it can.

Further, when the folded rear cassette is rotated to the same plane as the front cassette, the front cassette and the rear cassette are linearly fixed by the fixing means provided in the connecting portion, so that the recording sheets are stacked. Can be facilitated.

When the paper cassette is mounted on the recording unit main body, the fixing and releasing means provided in the recording unit main body can release the fixation of the front cassette and the rear cassette to make the rear cassette easily rotatable. it can.

Furthermore, by rotating and fixing the rear cassette at an arbitrary angle with respect to the front cassette, the rear cassette can be rotated and positioned in accordance with the installation state and the use state of the recording unit main body. , The usability can be improved.

[Brief description of drawings]

FIG. 1 is a side sectional view showing an embodiment of the present invention.

FIG. 2 is a plan view of the above embodiment.

FIG. 3 is a partial side view showing a state in which a front cassette is attached to a cassette housing portion.

FIG. 4 is a partial cross-sectional view showing a state in which a front cassette and a rear cassette are fixed.

FIG. 5 is a partial cross-sectional view showing a state where the fixing is released.

FIG. 6 is an explanatory diagram showing a state in which a paper cassette is attached to the recording unit main body.

[Explanation of symbols]

 1 Paper Cassette 2 Front Cassette 3 Rear Cassette 4 Support Shaft 8 Fixed Shaft 9 Locking Rib 10 Opening 11 Fixing Rib 12 Cassette Storage 13 Cassette Receiving 14 Fixing Release Pin

Claims (4)

[Claims] 1. A paper cassette in which recording papers using cut papers are stacked and mounted on a recording unit main body, which is composed of a front cassette and a rear cassette which are divided into two parts in front of and behind the recording paper advancing direction, and the rear cassette is a front part. A paper cassette, which is rotatably connected to a cassette and in which a front cassette and a rear cassette are detachably attached to a recording unit main body. 2. The fixing means for fixing the front cassette and the rear cassette when the front cassette and the rear cassette are linear, at a connecting portion between the front cassette and the rear cassette. Paper cassette. 3. The paper cassette according to claim 2, wherein the fixing means is released by a fixing opening means provided in the recording section main body when the front cassette and the rear cassette are attached to the recording section main body. 4. The positioning means for positioning the rear cassette at an arbitrary angle with respect to the front cassette when the fixing means is released from fixing, is provided at a connecting portion between the front cassette and the rear cassette. Paper cassette.