JPH0648593A - Paper feeder for recording device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a paper feeding device that enables a drastic downsizing of a recording device and is easy to supply recording paper. [Structure] The paper feeding device 10 includes a recording paper P in a paper feeding cassette 11.
Is erected vertically and is detachably attached to the printer body 1, and the printer body 1 is vertically long, so that the area occupied by the laser printer can be dramatically reduced. Further, when the recording paper P accommodated in the paper feed cassette 11 is used up, the paper feed cassette 11 can be pulled out from the side portion of the printer body 1 toward the operator and can be replenished from the upper opening 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet feeding device for a recording device such as a page printer, a facsimile or a copying machine, which feeds a recording sheet contained in a sheet feeding cassette.

[0002]

2. Description of the Related Art Paper feeders of the above type are well known. In this type of paper feeding device, standard papers such as A series and B series are used as recording papers, and such recording papers are arranged in a horizontal direction, that is, the paper surface is in a horizontal direction and a paper feeding cassette is used. It is set in the recording device. Further, in recent years, the demand for downsizing and space saving of recording devices has been increasing.

[0003]

However, in the conventional sheet feeding device, the sheet feeding cassette is mounted so that the accommodated recording sheets are placed horizontally, so that the demand for downsizing and space saving of the recording apparatus can be met. Was at the limit.

In view of the above-mentioned conventional problems, it is an object of the present invention to provide a paper feeding device which enables a drastic downsizing of the recording device and which is easy to replenish the recording paper.

[0005]

In order to achieve the above object, the present invention relates to a sheet feeding device in a recording apparatus for feeding a recording sheet accommodated in a sheet feeding cassette, the recording sheet being accommodated in the sheet feeding cassette. Is characterized in that it is detachably attached to the main body of the recording apparatus in an upright direction, and the paper feed cassette is pulled out toward the operator toward the front side.

Further, the present invention is characterized in that the recording paper supply portion of the paper feed cassette is an upper opening provided on the upper portion thereof.

Further, according to the present invention, the recording paper supply portion of the paper feed cassette is a side opening provided on a side surface parallel to the paper surface, and the side opening is attached to the paper feed cassette so as to be openable and closable. It is characterized by being covered with.

Furthermore, the present invention is characterized in that the recording paper supply portion of the paper feed cassette is provided with two portions, the upper opening and the side opening.

Furthermore, the present invention is characterized in that a replenishment port communicating with the upper opening is provided in the upper part of the recording apparatus main body, and the recording paper can be replenished to the paper feed cassette from the replenishment port.

[0010]

According to the above construction, the recording paper accommodated in the paper feed cassette is mounted in the recording device main body in a direction in which the paper feed cassette stands upright, so that the recording device is downsized, and the paper feed cassette is more suitable for the operator. Since it is pulled out to the front side, it becomes easy to operate the supply of recording paper to the paper feed cassette.

[0011]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is an explanatory diagram of a laser printer including a paper feeding device according to the present invention. In FIG. 1, reference numeral 1 is a main body of a laser printer as a recording device, and a photoconductor belt 2 is wound around three rollers 3 at the substantially center of the printer main body 1. Around the photosensitive belt 2,
A charging charger 4, an incident position of the writing laser beam L from the optical writing unit 5, a developing device 6, a transfer charger 7, and a cleaning unit 8 are arranged in the order of the rotation direction indicated by an arrow. An optical writing unit 5 is arranged below these electrophotographic process units, and a paper feeding device 10 is provided on the right side of the printer body 1.

The sheet feeding device 10 is provided with a sheet feeding cassette 11 containing standard recording sheets P, and a sheet feeding separating section 12 for feeding sheets one by one from the sheet feeding cassette 11. Is composed of a paper feed roller 13 and a separation roller 14. The recording paper P fed by the paper feed roller 13 is
It is conveyed to the transfer portion between the left side of the photosensitive belt 2 and the transfer charger 7 at a timing by the registration roller pair 15. The toner image formed on the photosensitive drum 1 through the steps of uniform charging by the charging charger 4, optical writing by the writing laser beam L, and development by the developing device 6 is recorded under the action of the transfer charger 7. It is transferred to the paper P.
The recording paper P on which the toner image has been transferred is fixed by the fixing device 17, and then ejected to the outside of the apparatus by the paper ejection roller pair 18.

As shown in FIG. 2, the sheet feeding apparatus 10 of the present invention accommodates a recording sheet P in a sheet feeding cassette 11 in an upright state. As shown in FIG. 1, the paper feed cassette 11 is removably attached to the printer body 1 with the contained recording paper P standing upright. Therefore, since the recording paper is not set in the horizontal direction, the printer body 1 can be made vertically long, and the area occupied by the laser printer can be dramatically reduced.

Next, the replenishment of the recording paper in the paper feed cassette for accommodating the recording paper P in an upright state will be described.

The paper feed cassette 11 is constructed so as to be detachable from the side portion of the printer body 1, and the paper feed cassette 11 can be pulled out toward the operator toward the front side as shown in FIG. Therefore, when the recording paper P stored in the paper feeding cassette 11 is used up, the operator can pull out the paper feeding cassette 11 to the front side and replenish it from the upper opening 20 as a recording paper replenishing section as shown in FIG. Therefore, it is very easy to set the recording papers even in the paper feed cassette 11 that accommodates the recording papers P in an upright state.

FIG. 5 is a perspective view showing another embodiment of the present invention. In this embodiment, a side surface opening 22 is provided as a recording paper supply portion on a side surface parallel to the paper surface of the paper feeding cassette 11, and the side surface opening 22 is covered by a side plate cover that is openably and closably attached to the cassette. . The side plate cover 21 that is opened and closed is formed to be equal to or slightly larger than the recording paper P to be set, and the recording paper P can be set from the paper surface direction.

In the sheet feeding device 10 having the above-described structure, the sheet feeding cassette 11 is pulled out from the side portion of the printer body 1 toward the operator toward the front side, and the recording sheet P can be replenished without extra operation for the operator to stand up. .

The paper feeding cassette 11 of the paper feeding device 10 is provided with two replenishing portions, an upper opening 20 and a side opening 22, so that the user can selectively use the one that is most convenient. You can also

FIG. 6 is a perspective view showing still another embodiment of the present invention. In this embodiment, a replenishing port 24 that is normally closed by an opening / closing cover 23 is provided on the upper part of the printer body 1, and the replenishing port 24 communicates with the upper opening 20 of the sheet feeding cassette 11 shown in FIG. Here, when replenishing the recording paper P to the paper feed cassette 11, the opening / closing cover 23 is opened,
Supply from here.

The sheet feeding device 10 having such a configuration can open the open / close cover 23 of the printer main body 1 to replenish the recording sheet P to the sheet feeding cassette 11, so that the sheet feeding device 10 can be refilled without pulling out the sheet feeding cassette 11. .

[0021]

According to the first aspect of the present invention, the recording paper housed in the paper feed cassette is mounted in the recording apparatus main body in a direction in which the recording paper is set up in a substantially vertical direction. Further, since the paper feed cassette is pulled out toward the operator toward the front side, it becomes easy to operate the supply of the recording paper to the paper feed cassette.

According to the second aspect of the invention, the recording paper can be replenished to the paper feed cassette from the upper side, so that the setting property of the recording paper becomes very good.

According to the third aspect of the invention, the recording paper can be replenished from the side portion of the drawn paper feed cassette, so that an extra operation for the operator to stand up is unnecessary.

According to the fourth aspect of the invention, the recording paper can be supplied to the paper feed cassette from two locations. Therefore, a suitable recording paper supply unit can be selected and used according to the installation conditions of the recording apparatus.

According to the fifth aspect of the present invention, the opening / closing cover of the recording apparatus can be opened, and the recording paper can be replenished to the paper feeding cassette from the opening / closing cover.

[Brief description of drawings]

FIG. 1 is an overall schematic view of a recording apparatus including a paper feeding device according to the present invention.

FIG. 2 is a perspective view showing an example of a paper feeding cassette of the paper feeding device according to the present invention.

FIG. 3 is a perspective view showing a state in which the paper feed cassette is pulled out.

FIG. 4 is a perspective view showing recording paper supply of the paper feed cassette.

FIG. 5 is a perspective view showing still another embodiment of the paper feeding device according to the present invention.

FIG. 6 is a perspective view showing still another embodiment of the paper feeding device according to the present invention.

[Explanation of symbols]

 10 Paper Feeding Device 11 Paper Feeding Cassette 20 Upper Opening 21 Side Cover 22 Side Opening 23 Opening / Covering Cover 24 Replenishing Port

Claims (5)

[Claims] 1. A paper feeding device in a recording device for feeding recording paper stored in a paper feeding cassette, wherein the recording paper stored in the paper feeding cassette is detachably mounted in a main body of the recording device in a substantially vertical direction. The sheet feeding cassette is pulled out from the side portion of the recording apparatus main body to the front side facing the operator. 2. The sheet feeding device of the recording apparatus according to claim 1, wherein the recording sheet replenishing section of the sheet feeding cassette is an upper opening provided at an upper portion thereof. 3. The paper feeding device of the recording apparatus according to claim 1, wherein the recording paper supply portion of the paper feeding cassette is a side opening provided on a side surface parallel to the paper surface, and the side opening is the paper feeding cassette. A paper feeding device, which is covered with a side plate cover that is openably and closably attached to. 4. The sheet feeding device of the recording apparatus according to claim 1, wherein the recording sheet replenishing portion of the sheet feeding cassette is provided with two portions, the upper opening and the side opening. Paper feeder. 5. The sheet feeding device of the recording apparatus according to claim 1, wherein a replenishing port communicating with the upper opening is provided at an upper portion of the recording device body, and the recording sheet can be replenished to a sheet feeding cassette from the replenishing port. A sheet feeding device characterized in that.