JPS6331945A - Cassette receiving device for image forming device - Google Patents

Abstract

PURPOSE:To make it possible to supply a copying paper in a half drawing cassette condition, by furnishing shelf-form receiving tables with a height almost same as the height of the lower edge of the opening of the cassette, at the position neighboring to the opening to insert the copying paper cassette. CONSTITUTION:A cassette receiving device 1 is formed by combining symmetrical left side and right side members (a) and (b) with a combining bar 10, and screwing installation flanges 2a and 2b to the side wall Fa of a copying machine F. At both sides of the cassette receiving device 1, are furnished shelf-form receiving tables 3a and 3b about at the height of the lower edge of the cassette opening S1. Moreover, at the side plates 4a and 4b outside the receiving tables 3a and 3b, leaping up control plates 5a and 5b and drawing out regulating plates 7a and 7b are furnished. The cassette receiving tables 3a and 3b are inserted to the opening S1 by sliding their upper side. Therefore, in the half drawing condition, the copying paper can be supplied, and the work efficiency is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a cassette receiving device for an image forming apparatus, and more particularly, it is possible to replenish transfer paper to a cassette without completely removing the cassette from the cassette opening (i.e. The present invention relates to a cassette receiving device for an image forming apparatus that can be used in a state where it is simply pulled out.

BACKGROUND OF THE INVENTION Conventionally, it has been widely used to supply transfer paper to an image forming apparatus (for example, a copying machine) using a cassette system. This is because when replacing the transfer paper with a different size, it is only necessary to replace the entire cassette, so it has the advantage of being able to be replaced quickly and easily.

Problems with the Prior Art Since the image forming apparatus receives transfer paper from a cassette inserted into its cassette opening, it is necessary to replenish the cassette when it runs out of transfer paper.

This replenishment work is performed by extracting the cassette from the image forming apparatus, transporting it to a desk ring where the work can be easily performed, replenishing the cassette with transfer paper there, and reinstalling the cassette into the image forming apparatus.

However, since it is necessary to take out the cassette and carry it to the desk, there is a problem in that replenishment work is time-consuming.

Furthermore, when a cassette is large, such as an A2 size cassette, the weight of the paper is added to the weight of the cassette itself, resulting in a very large weight, which makes it difficult to attach and detach the cassette.

Purpose of the Invention The present invention has been made with the aim of solving the above-mentioned problems. Another object of the present invention is to provide a cassette receiving device for an image forming apparatus that allows paper to be replenished simply by pulling out the cassette.

Composition of the Invention The cassette receiving device of the image forming apparatus of the present invention includes a mounting part for being mounted on the I11 wall of the image forming apparatus in connection with a cassette opening for inserting and pulling out a transfer paper cassette, and a mounting part for mounting on the I11 wall of the image forming apparatus when the cassette receiving device is mounted. A structural feature is that at least a portion adjacent to the cassette opening includes a shelf-shaped pedestal portion having approximately the same height as the lower edge of the cassette opening.

In addition to the above configuration, the present invention further includes a flip-up suppressing section that suppresses the flip-up of the image forming apparatus side end of the cassette when the cassette is pulled out from the cassette opening to a predetermined position and the bottom of the cassette is supported by the cradle. is a structural feature.

Moreover, in addition to the above-mentioned configuration, the present invention is characterized in that it includes a drawer restricting section that restricts the cassette from being pulled out beyond a predetermined position.

Further, in addition to the above-mentioned configuration, the present invention is characterized in that it includes an ejection gap for completely ejecting the cassette by avoiding the flip-up suppressing portion and the drawer regulating portion.

In addition to the above configuration, the image forming apparatus is characterized in that it is equipped with a reinforcing bar part that is inserted into a transportation old year insertion hole provided in the image forming apparatus to reinforce attachment to the image forming apparatus. It is.

EMBODIMENT OF THE INVENTION Hereinafter, the present invention will be explained in more detail based on embodiments shown in the drawings. Here, FIG. 1 is a perspective view of an example of a copying machine equipped with a cassette receiving device according to an embodiment of the present invention, and FIG. 2 is a perspective view of the cassette receiving device according to the embodiment shown in FIG. Fig. 3 is a view taken in the direction of arrow A in Fig. 1, Fig. 4 is a front view of an example of a cassette, Fig. 5 is a schematic sectional view showing the state in which the cassette is inserted into a copying machine, and Fig. 6 is a view of the copying machine. FIG. 3 is a schematic cross-sectional view showing a state in which the cassette is pulled out.

Note that the present invention is not limited to the embodiments shown in the figures.

In FIG. 1, a side wall F of a copying machine F is provided with cassette openings S0 and S1.

Upper Case/The upper opening s0 is for inserting a copy paper cassette of A3 size or smaller, and the lower cassette opening S+ is for inserting a copy paper cassette of A2 size.

A cassette receiving device 1 according to an embodiment of the present invention is attached to the A2 size cassette opening s1.

As shown in detail in FIG. 2, the cassette receiving device 1 has left and right symmetrical members a and b integrally connected by a connecting bar 10, and has mounting flanges 2m and 2h, which allow the copy t1iF to be l1lIIl Bolted to wall F2.

When mounted on the copying machine F, the holders 3a and 3h of the cassette holder 1 are at approximately the same height as the lower edge of the cassette opening SI, and have a shelf shape protruding from the side wall F□.

Side plates 4a and 46 are erected on the outside of the cradle 31 and 36, and the copying machine F side of the side plates 4m and 4I is bent and overhangs inwardly at the top like an eave, and a flip-up suppressing plate 5a-
51, is formed. This spring-up suppression board 5m,
5+, when the copy paper cassette is pulled out, the cassette tilts due to gravity and the copying machine FI tries to lift up, but at that time a part of the cassette (stopper 12 described later)
□, 12g) to prevent it from flying up.

Splash-up suppression plate 5□, 5I, more copy i F [11
1 is also bent in the same way as the above-mentioned flip-up suppression plates 5&, 5, but it is further inclined, and the inclined plate 6
．． ．． 6. It becomes. These inclined plates 6°, 6I are part of the copy paper cassette (stopper 12m described in 1 & above).
12b) and serves as a guide when inserting or withdrawing the same. Therefore, the guide rails 22a and 226 are placed in a positional relationship such that they are extensions of the guide rails 22a and 226, which have the same function.

In addition, the side plate 4m on the opposite side of the spring-up suppression plates 5a and 5b
, the end of 4b is bent inward to form a drawer regulating plate?
,,7. is formed. This drawer regulating plate 7. ．． 7
1. When the copy paper cassette is pulled out to the specified position, a part of the cassette (1 &
h) and serves to restrict further withdrawals.

The portion between the spring-up suppressing plate 51 and the drawer regulating plate 7a and between the spring-up suppressing plate 5 and the drawer regulating plate 7F has an eave-shaped portion extending inwardly cut out. , empty B8a here, 81. is formed. This void aa, st.

serves as a path for the copy paper cassette when it is completely ejected from the copying machine F.

A reinforcing bar 9 is provided at the bottom of the mounting flange portion 28.2&.
A copying machine F1 is provided with reinforcing bars 9a and 9I! @ part of I is 111 slope F of copying machine F.

The transport handles are inserted into the transport handle insertion holes H□ and H, respectively, to reinforce the attachment of the copying machine F and the cassette receiving device 1. The transport handle insertion hole H1゜H is provided so that the handle can be inserted and transported easily when transporting the copying machine F. Since the handle is removed except when transporting, it is only used when transporting the copying machine F. It is a hole. This is the cassette receiver W1
It is used for mounting.

FIG. 3 is a diagram showing the view from direction A in FIG. 1. At the back of the cassette opening SI are a guide plate 21 and a guide rail 22 that serve as guides for inserting and removing the copy paper cassette. , 22I, are visible.

FIG. 4 shows the A2 size copy paper cassette 11 viewed from the front. On both sides of the cassette 11, stoppers 12m and 12b are provided protrudingly on the distal end side in the insertion direction, and protrusions 13m and 13 are provided near the center of the cassette at a predetermined distance from the stoppers 12m and 12b.
b is provided protrudingly.

Stoppers 12&, 121. When the copy paper cassette 11 is pulled out, the slanted plates 6□, 61. come into contact with the splash-up prevention plates 5□, 5, and are prevented from flying up, and when the copy paper cassette 11 is inserted or pulled out, the inclined plates 6□, 61. and guide rails 22a, 221. The guide rail 22. is guided by the guide rail 22. ．． It has the function of holding the copy paper cassette 11 by fitting into the recesses 22t', 22I, and 22' provided in the recess 22b.

The protrusions 13m and 13b come into contact with the drawer restriction plates 7m and 7b when the copy paper cassette 11 is pulled out, and have the function of restricting further withdrawal.

Therefore, the protrusions 13m and 13b are connected to the drawer regulating plates 7° and 7I.
, the distance between the drawer regulating plates 7a, Lb and the springing-up suppressing plates 5m, 5b is set so that the stopper 121°12 can contact the springing-up suppressing plates 5i, 5b at the position where they abut on the protrusions 13a, 13b and the stopper 12. □, according to the 12- spacing.

FIG. 5 shows the copy paper cassette 11 fully inserted into the cassette opening S.

In this state, the portion of the copy paper cassette 11 protruding from the copying machine F tends to fall due to gravity, and conversely, the portion of the copying paper cassette 11 on the copying machine F side tends to rise as a reaction. Then, due to the force of the upward movement, the stoppers 12m, 121 . are guide rail 2L, 221° recess 22m', 221. 'Mates with
It is kept stable.

24 is an insertion regulating plate provided inside the copying machine F.

Now, in FIG. 5, when the copy paper cassette 11 is pulled to the right in the figure, the copy paper cassette 11 tries to move to the right, but because of the guide rails 221 and 22, the stoppers 12m and 12I.

The end of the machine F is lowered, and the end protruding from the copying machine F is lifted up. And the guide rail 22, . 22
I and along the slope of the guide plate 21.23.

When the copy paper cassette 11 is further pulled out, the bottom part thereof slides on the guide plate 23, so that the protrusions 13m, 13I are attached to the inclined plate 6□ of the cassette receiving device 1.

61 and the guide plate 23 of the copying machine F.

In addition, the stoppers 12□ and 12t are also connected to the inclined plates 6□ and 6.
and the guide plate 23.

Therefore, as shown in FIG. 6, the copy paper cassette 11 is
The cassette is pulled out until the protrusions 13a and 13b hit the drawer regulating plates 71 and 7I of the cassette receiving device 1.

When you release your hand from the copy paper cassette 11 in this state, the center of gravity of the copy paper cassette 11 will be located at the cassette holders 3*, 31.
．． Since the copy paper cassette 11 is protruded further outward, the outer end of the copy paper cassette 11 is lowered by gravity, and the end on the copying machine F side tends to be raised. Then, the stoppers 12a, 1
2h is a flip-up suppressing plate 5a of the cassette receiving device l;
It hits 5b and is stopped in that state.

Therefore, although the copy paper cassette 11 is held in this state, since the copy paper cassette 11 has been sufficiently pulled out from the copying machine F, copy paper can be easily replenished.

After replenishing the copy paper and inserting the copy paper loader 11, the stoppers 12□, 12t move the inclined plates 6□16 and the guide rails 22□, 221. , and enters the copy IJiF to the position shown in FIG.

As described above, by using this cassette receiving device 1, the copy paper cassette 11 can be held in the pulled out state, so copy paper can be replenished without completely pulling out the copy paper cassette 11. The task of replenishing the cassette becomes significantly easier.

The reinforcing bar 98.9t is held by the gripping metal fitting 25 of the carrying handle inside the copying machine F, and reinforces the attachment of the cassette receiving device 1 to the copying machine F.

If you want to completely remove the copy paper cassette 11 from the copying machine F, pull out the copy paper cassette 11 and press the protrusion 13a.
, 13I, and 8k, the copy paper cassette 11 is lifted up. Then, the air gap is 8M
, 8t, the protrusions 13□, 131 are removed, and then the stoppers 12a, 12b are removed, and the copy paper cassette 11 can be pulled out completely.

If you want to reinsert the copy paper 7)) 11 that you pulled out,
Just do the opposite of the above.

In this way, it can be handled in the same way as a regular cassette, so replacing the copy paper with one of a different size is easy.
Similar to the conventional cassette method, this can be done quickly and easily.

It should be noted that the frame of the copy paper cassette 11, etc. has anti-splash plates 5□, 51. and guide rail 22. .

22b etc., the copy paper cassette 11
There is no need to provide stoppers 12□ and 12T.

Also, the cradle 3. , 3b are lengthened, and the copy paper cassette 11 is
If the length is sufficient to support the center of gravity of the copying machine when it is extracted from the copying machine F, the flip-up suppressing plate 58 can be omitted. Also, be careful not to pull out the copy paper cassette 1 too much.
1, the drawer regulating plate 71 can be omitted. Furthermore, if the mounting by the mounting flanges 2a, 2b is sufficiently strong, the reinforcing bars 91.9& can be omitted.

Effects of the Invention According to the present invention, there is provided a mounting portion to be mounted on a side wall of an image forming apparatus in connection with a cassette opening for inserting and pulling out a transfer paper cassette, and at least a portion adjacent to the cassette opening when the mounting portion is mounted. Provided is a cassette receiving device for an image forming apparatus, characterized in that the cassette receiving device is provided with a shelf-shaped receiving portion having a height substantially the same as the lower edge of the cassette opening, whereby the transfer paper cassette can be completely pulled out. Since it becomes possible to replenish the transfer paper by simply holding the transfer paper in a state where it is pulled out to a certain range without having to do so, the replenishment work becomes significantly easier. Furthermore, since it is no longer necessary to always secure enough space to completely remove the transfer paper cassette, there is an effect that the stacked area can be reduced.

In addition to this, the image forming bag is further provided with a spring-up suppressing part that suppresses the edge of the image forming bag of the cassette from springing up when the cassette is pulled out to a predetermined position from the cassette opening and its bottom is supported by the pedestal part. A cassette receiving device for an image forming apparatus is provided, and since the cassette can be held in a pulled out state even if the length of the pedestal part is short, the cassette receiving device can be made compact.

In addition, the cassette receiving device of the image forming apparatus, which is equipped with a drawer restricting section that prevents the cassette from being pulled out beyond a predetermined position, may become jammed, thereby increasing the risk of the cassette being pulled out too far and being dropped. can be prevented.

In addition, there is also an ejection gap for completely ejecting the cassette by avoiding the flip-up suppressing part and the drawer regulating part! A cassette receiving device for an image forming apparatus is provided, which allows the cassette to be completely pulled out, so that each cassette can be easily replaced with transfer paper of a different size. In addition, the cassette can be removed for packaging during operation, which has the effect of making it easier.

Additionally, there is provided a cassette receiving device for an image forming apparatus, which includes a reinforcing bar portion that is inserted into a carrying handle insertion hole provided in the image forming apparatus to reinforce attachment to the image forming apparatus. , thereby improving the reliability of attachment.

[Brief explanation of the drawing]

1 is a perspective view of an example of a copying machine equipped with a cassette receiving device according to an embodiment of the present invention, FIG. 2 is a perspective view of the cassette receiving device according to the embodiment shown in FIG. 1, and FIG. The figures are a view taken in the direction of arrow A in Fig. 1, Fig. 4 is a front view of an example of a cassette, Fig. 5 is a schematic cross-sectional view showing the state in which the cassette is inserted into a copying machine, and Fig. 6 is a view of removing the cassette from the copying machine. FIG. 3 is a schematic cross-sectional view showing a pulled out state. (Explanation of symbols) 1...Cassette receiving device of the copying machine 2□, 26...Mounting flange 3a, 3b...Receptacle 5a-5i+...Flip-up suppression plate 7a, 7i...Drawer regulation Plate 8□, 8shi...Gap 9□, 9I...Reinforcement bar.

Claims (1)

[Scope of Claims] 1. A mounting part to be mounted on a side wall of an image forming apparatus in connection with a cassette opening for inserting and pulling out a transfer paper cassette, and at least a portion adjacent to the cassette opening when mounted. 1. A cassette receiving device for an image forming apparatus, comprising a shelf-like pedestal portion having substantially the same height as the lower edge of the cassette opening. 2. A mounting part to be mounted on the side wall of the image forming apparatus in connection with the cassette opening for inserting/drawing out the transfer paper cassette, and at least the part adjacent to the cassette opening when mounted, is connected to the lower edge of the cassette opening. a shelf-like pedestal portion having approximately the same height; and a cradle portion that prevents the image forming apparatus side end of the cassette from springing up when the cassette is pulled out from the cassette opening to a predetermined position and its bottom is supported by the pedestal portion. 1. A cassette receiving device for an image forming apparatus, comprising: a suppressing portion. 3. A mounting part to be mounted on the side wall of the image forming apparatus in connection with the cassette opening for inserting and pulling out the transfer paper cassette, and at least a portion adjacent to the cassette opening when mounted, is connected to the lower edge of the cassette opening. a shelf-like pedestal portion having approximately the same height; and a cradle portion that prevents the image forming apparatus side end of the cassette from springing up when the cassette is pulled out from the cassette opening to a predetermined position and its bottom is supported by the pedestal portion. 1. A cassette receiving device for an image forming apparatus, comprising: a suppressing portion; and a drawer restricting portion that restricts the cassette from being pulled out beyond a predetermined position. 4. A mounting part to be mounted on the side wall of the image forming apparatus in connection with the cassette opening for inserting/drawing out the transfer paper cassette, and at least the part adjacent to the cassette opening when mounted, is connected to the lower edge of the cassette opening. a shelf-like pedestal portion having approximately the same height; and a cradle portion that prevents the image forming apparatus side end of the cassette from springing up when the cassette is pulled out from the cassette opening to a predetermined position and its bottom is supported by the pedestal portion. The cassette is provided with a suppressing part, a drawer restricting part that restricts the cassette from being pulled out beyond a predetermined position, and an ejecting gap part that allows the cassette to be completely extracted by avoiding the flip-up suppressing part and the drawer restricting part. A cassette receiving device for an image forming apparatus. 5. A mounting part to be mounted on the side wall of the image forming apparatus in connection with the cassette opening for inserting and pulling out the transfer paper cassette, and at least the part adjacent to the cassette opening when mounted, is connected to the lower edge of the cassette opening. a shelf-like pedestal portion having approximately the same height; and a cradle portion that prevents the image forming apparatus side end of the cassette from springing up when the cassette is pulled out from the cassette opening to a predetermined position and its bottom is supported by the pedestal portion. The image forming apparatus includes a suppressing part, a drawer regulating part for regulating pulling out of the cassette beyond a predetermined position, and an extracting gap part for completely extracting the cassette by avoiding the popping-up suppressing part and the drawer regulating part. 1. A cassette receiving device for an image forming apparatus, characterized in that the reinforcing bar part is inserted into a carrying handle insertion hole to reinforce attachment to the image forming apparatus.