JPS5859872A - Recording device - Google Patents

Abstract

PURPOSE:To reduce the number of parts and lower the prime cost, by a method wherein the upper lid of the paper cassette of a recording device is used as paper delivery tray. CONSTITUTION:One of the recording papers 2 in a paper cassette is supplied according to the rotation of a pick-up roller 5. The paper is registered by timing rollers 6A and 6B, fed via feeders 17-19. In this time, the recording paper 2 is absorbed by a fan on a porous suction plate 21 that uses perforated metal, etc., keeping its flatness. Then, a printed image is recorded on the paper by a recording head 23. The recorded paper 2 is delivered through feeding rollers 9A and 9B, and the feeder 19, etc. Since a fan hole 27 is made in the feeder 26A to prevent the recording paper from being absorbed due to static electricity, the recording papers are delivered to the paper delivery tray 3 (upper lied 4 of the cassette 1) without fail.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a recording apparatus, and particularly to one in which the top cover of a paper cassette is used as a paper ejection tray.

The recording paper stored in the paper cassette is transported and recorded,
In a recording apparatus that discharges the recorded recording paper to a paper discharge tray, a paper cassette and a paper discharge tray are separately arranged. Therefore, in a recording device where recorded paper is ejected into a paper cassette, it may be possible to reduce the number of parts by adding a paper ejection tray function to the top cover of the paper cassette. In view of these points, it is an object of the present invention to provide a recording apparatus in which a function as a paper ejection tray is added to the top cover of a paper cassette, thereby reducing the number of parts.

Hereinafter, the present invention will be described in detail based on the drawings.

FIG. 1 shows an embodiment of the present invention, where l is a paper cassette in which recording paper is stored.

The paper cassette (paper cassette) has an upper lid which also serves as a paper discharge tray J, and this upper lid prevents dirt and debris from entering the cassette I. j is the paper feed roller, and roller l
The recording paper is pushed 8E while rotating, thereby feeding the recording paper one by one. Tying rollers A and AB are rotated in synchronization with reading by a document reading unit (not shown), thereby synchronizing the recording position on the recording paper and the reading position by the reading unit.

7A~! Are OA and 7B-/DB transport rows? ,／／〜
14 is a conveyance path/7. It is a transport path member that forms /I and n, and the recording paper fed from the cassette)/ is transported to these
-') 7A A-10k, 7B ~/DB and conveyance M/7~19. X is a porous suction plate made of bunching metal or the like, I is a fan that blows air in the direction of arrow A, n and B are intermediate recording units such as inkjet heads, and fan 1 moves recording paper λ to suction plate J.
Kg & put it on, and check the flatness of the recording paper head〃, 2
Keep the distance between j and the recording paper at one foot. Also, 3 and B
is an elastic paper conveyance guide, and a gap smaller than the thickness of the recording paper is provided between it and the suction plate X forming the conveyance path.

Further, reference numeral ``S'' denotes an air blowing guide, which causes the air discharged from the fan I to rise along the guide pu, and blows the air as shown by the arrow B from an opening I made in the conveyance path A at the upper part of the guide.

FIG. 2 is a perspective view of the recording apparatus of FIG. 1 viewed from the recording head side, and the present invention will be described in further detail with reference to FIG. Here, the recording head n is an inkjet head that performs red recording, and the head n is an inkjet head that performs black recording, and a signal from a reading section (not shown) is converted into a value signal by a control circuit (not shown), and any one of them is used as desired. Red and black recording can be performed by driving one head or both heads. Further, the recording head B, rows 77A to 101, 7B to /θB1 conveyance guide 2, B, fan 1, blowing guide b, etc. are supported by support means (not shown). That is, in the present invention, the suction plate X is fixed. In addition, among the ventilation holes I made in the suction plate Make it smaller than the size of the recording paper λ
To eliminate the possibility that the leading end corner of the recording paper enters the hole I when conveying the recording paper, causing flapping noise, speed fluctuation, or jamming. Also, the conveyance path formed at the top of the ventilation guide,? Make a plurality of openings 1 in the width direction of the recording paper, and make the width smaller than the width of the recording paper so that the leading edge of the recording paper that is being conveyed does not enter the opening 1. .

#! Figure J shows the details of the gap between the suction plate and the conveyance guides 2# and 3, and in the embodiment of the present invention, the distances 11!14 are made smaller than the thickness t of the paper.

The operation of the recording apparatus constructed in this way will be explained with reference to FIGS. 1 and 2, assuming that recording is performed only with the black head n. First, when the document reading section (not shown) starts reading the document, the paper feed roller J (Fig. 1) starts rotating and only one recording paper in the cassette L is fed. Nglof 6A and 4. Registered with B. At this time, the 7-inch fan I is also driven. Here, the tie-on gray 24 and 1B are rotated in synchronization with document reading, and when the leading edge of the recording paper reaches the recording head n, the driving of the recording head n is started to record an image. The read information may be stored and recorded in a memory once.

Here, when the recording paper 2 is conveyed to the recording head n via the conveyance path〃 and /I, the recording paper 2 is squeezed in the gap between the conveyance guide 3 and the suction plate X, and the recording paper 2 is curled. In addition, since the maximum width of the opening I of the suction plate X is smaller than the width of the recording paper, there is no risk that the leading edge of the recording paper will enter the opening I. Therefore, when recording with the recording head B, the recording paper is reliably attracted to the suction plate X to maintain the desired flatness, and furthermore, the gap between the recording head n and the recording paper is kept constant. , you can expect the same recording quality.

The recorded recording paper after recording with recording head n is
Transport row? 5'A, 5'B, conveyance path/de, and conveyance rollers 10k, 10B.
A ventilation opening l is opened in the conveyance path immediately after 01, 10B, and the air from the ventilation fan is sent upward, so even if the recording paper is charged with static electricity, the ventilation guide I am not used to having the recording paper delivered to the conveyance path, so the recording paper is reliably ejected to the paper ejection tray J.

In addition, since this paper ejection tray 3 uses the upper surface of the upper lid of the paper cassette, there is no need to provide a separate paper ejection tray.
This leads to a reduction in the number of parts, which also makes it possible to reduce costs.

As described above, according to the present invention, the function of a paper ejection tray is added to the top cover of the paper cassette, so the number of parts can be reduced, and thus the cost can be reduced.

It goes without saying that the present invention can be applied to any type of recording device, copying device, or printing device in which recorded recording paper is discharged into a paper cassette.

Further, the paper ejection tray is not limited to the upper surface of the upper lid of the paper cassette (it goes without saying that the paper ejection tray can be formed on any of the outer peripheral surfaces of the upper lid).

[Brief explanation of drawings]

FIG. 1 is a configuration diagram showing an example of the configuration of the recording apparatus of the present invention, FIG. 2 is a perspective view thereof, and FIG. 3 is a detailed diagram illustrating a conveyance guide. l...paper cassette, c-recording paper, 3...
Paper output tray, *-...Top lid,! ...Paper feed roller, 4A, 4 toe timing rollers, 7A
~#7A, 7B~10B...conveyance roller, //~/6
... Conveyance path member, /7~/de... Conveyance path, 〃...
Suction plate, 1-・Blower fan, 2J, 2J・・
- Recording head, 7. ff...Conveyance guide. Force...Blower guide% aA--Conveyance path, 1...-
Opening, 1...hole. Patent applicant Canon Co., Ltd.

Claims (1)

[Claims] The recording apparatus is characterized in that the paper discharge tray is formed on the outer surface of the recording paper in the paper cassette that is distorted on A15.