JPS59190147A - Original sheet feeding device - Google Patents

Abstract

PURPOSE:To provide possibility of feeding original text sheets both by hand or automatically according to the sheet format or circumferences and offer convenience for storing the unit, by furnishing an original sheet hand-feed device above the orignal sheet processing device, and by installing an original sheet separator unit on the slip-in side in such a way as capable of rising and falling frey. CONSTITUTION:In order to feed original text sheets 3 automatically to the copying machine, an original sheet separator unit 10 is put in its down position so as to allow the exhaust hole 10a of the unit 10 to be situated close to the slip-in hole 4a of an original sheet hand-feed device 4. In this unit 10 a plurality of sheets 3 with approx. equal size and thickness are set, and when the hand-feed device 4 and unit 10 are put in operation, the arrangement will work as an automatic feeder to supply the sheets 3 one after another to the copying machine. If, on the other hand, the unit 10 is standed backward, the slip-in hole 4a of the hand-feed device 4 is released, and now only hand- feed device 4 is in effect to allow supply of the sheets 3 one after another by hand. According to this arrangement movement of the unit 10 to any other place is not required, which will not bother the user about a storing place for the unit as well as assure free of risk of damaging the same.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an original document feeder used in an original document processing apparatus for reproducing an image of an original document on another sheet of paper, such as a copying machine or a FACTOR 91J in the industrial field of application.

Conventional technology In a document processing device such as a copying machine, an automatic document feeder that supplies documents to a stone document support surface is equipped with an automatic document feeder that feeds documents one by one when several documents are set one on top of the other. There was a device and a manual document feeder that allowed documents to be fed one by one by hand.

The former type of automatic document feeder is suitable for feeding originals of the same size and thickness, but if these are uneven, it cannot feed the originals smoothly, and the latter type of automatic document feeder is suitable for feeding originals of the same size and thickness. The feeder was the opposite.

OBJECT OF THE INVENTION The present invention relates to an improvement of a document feeding device that eliminates the above-described inconvenience.The purpose of the present invention is to process documents automatically or manually depending on the type of document or the needs of the operator. The object of the present invention is to provide a document feeding device capable of feeding a document to a document support surface of the device.

Components of the Invention The present invention includes a manual document feeder provided above the document support surface of a document processing device, and a document separator unit attached to the document insertion side of the quantum document feeder so as to be able to come into contact with and separate from the document separator unit. By placing the unit on the document insertion side, the unit automatically feeds the document Z to the document support surface as an automatic document feeder, and by separating the document separation unit, it functions as a manual document feeder and supports the document Z. An embodiment of the present invention illustrated in the drawings of FIGS. 1 to 4 will be described below.

In the casing of the main body of the 1G copying machine, a platen glass (not shown) is installed in the center of the top surface 2 of the casing 1. Below the platen glass, an exposure system ( (not shown) allows the image of the document 3 on the platen glass to be scanned.

A manual document feeder 4 is disposed above the platen glass, and a pair of pulleys 5 are pivotally supported in the interlayer W4, and an endless belt 6 is spanned over the pulleys 5, not shown. Either one of the pulleys 5 is rotationally driven by a motor, and the original 3 is sent to a predetermined position on the platen glass along the direction of the arrow by the movement of the belt 6.

The lower ends of a pair of left and right levers 7 are pivoted to the back of the upper surface 2a of the casing located on the right side of the manual document feeder 4 so as to be tiltable up and down via pins 8 oriented in the left and right horizontal directions.・The document separator is attached to the upper end of the same lever 7 via pin 9 which is parallel to pin 8.

0 is pivotally mounted, and the output end of the same document 10 faces the document insertion port 4σ of the manual document feeder 4. When the document separator unit 10 is in the upright state (see FIGS. 2 and 3), the document insertion slot 4αi:l1ill of the manual document feeder 4 can be opened without being obstructed by the document separator unit 10. .

Also, the document separator unit 10 is provided with a chute 11 that is inclined diagonally downward to the left.
A notch 12 is formed approximately in the center of the pulley 111.3 and a cylindrical boob 1114 are loosely fitted into the notch 12, and a rubber belt 15 is stretched around the pulley 1.3.14.
A presser piece 16 and a tart roller J7 are arranged above the heald 15, and a pair of upper and lower delivery rollers 18.1.9 are arranged at the bottom of the chute 11, and a large number of sheets are stacked on the chute 11. The original documents 30 are separated from the lower layer one by one and sent out by rotation of one of the pulleys 13.1.4 and one of the delivery rollers 18.19 driven by a motor (not shown). It has become.

Since the embodiment shown in FIGS. 1 to 4 is constructed as described above, in order to automatically send one document 3 to the copying machine, the document separator unit h is used as shown in FIG.
If the unit 10 falls over, the discharge port 10 (1'
7. The document S can be inserted adjacent to the document insertion port 4a of the manual document feeder W4.

After that, if several originals 3 of approximately constant size and thickness σ are stacked and set on the original separator unit 10, and the manual original feeder 4 and the original separator unit 10 are operated, the automatic original feeder will function as an automatic original feeder. It is possible to feed the images one by one to the copying machine and take close-up pictures.

Further, as shown in FIGS. 2 and 3, if the document separator unit 10 is raised rearward, the document insertion port 4a of the manual document feeder 4 can be opened. If the unit malfunctions or if the originals 3 cannot be separated by the unit 10, only the manual document feeder 4 is operated and the documents 3 can be fed one by one to the copying machine by hand. In this case, there is no need to move the document separator unit to another location, so there is no problem with where to put it, and there is no risk of damage to the document separator unit.

In the embodiments shown in FIGS. 1I:A to 4, the document separator unit 10 is raised and lowered by the pins 8 and 9, but in the embodiments shown in FIGS. As shown in FIG. 6, the copying machine main body casing 1 and the original separator unit 10 are pivotally connected by pins 2 and 22 at both ends of the lever 20.
A pin 2.3Y is provided protrudingly in the middle of the rod 24, one end of the rod 24 is loosely fitted into the elongated hole 24α, and the other end of the rod 24 is loosely fitted into the elongated hole 24α. The separator unit 10 may be pivotally connected to the separator unit 10 by a pin 25, and a stopper pin 26 may be provided protrudingly from one side of the casing 1. Even in such an embodiment, the document separator unit may be attached to the document insertion port 4a of the manual document feeder 4. 10σ] Original ejection port 1
．． 0 (L) can be placed adjacent to each other to automatically feed the original, or the original can be fed by one hand by opening the original insertion port 4a of the manual original feeder 4.

Effects of the Invention In the present invention, a manual document feeder is provided above the document support surface of the document processing table, and the document separator unit (4) is attached to the document insertion side of the quantum document feeder so that it can be moved toward and away from the automatic document feeder. In addition to automatically sending the original to the original processing device, it is also possible to manually send the original to the original document processing device. Be able to supply it.

Moreover, in the present invention, since the document separator unit 7) is not removed, there is no need to secure a place to store the unit, and damage to the unit while transporting it or in the place where it is stored is also prevented. can.

[Brief explanation of drawings]

Figures 1 and 2 show the document feeder according to the present invention; Figure 2 shows the unit in an upright position; Figure 3 is its side view; and Figure 4 shows the same unit. FIGS. 5 and 6 are side views of other embodiments of the present invention, and FIG. 5 shows a state in which the document separator unit is brought close to a manual document feeder. , Fig. 6 shows the state in which the parts t″L are separated from each other. 1. Copying machine main body casing, 2. Upper surface of casing, 3. Document, 4. Manual document feeder. , 5・
...Pulley, 6...Belt, 7...Lever, 8.9
...Pin, 1o...Document separator unit, 11
... Chute, 12 ... Notch, 13 ... Polygonal pulley, 14 ... Cylindrical pulley, 15 ... Comheld, 16 ... Holding piece, 17 ... 1] Tart roller,
18.19... Delivery roller, 20... Lever, 2
1.22, n...pin, 24...rod, 25.2
6...Pin. Agent Patent Attorney Nozomi Ehara 1st Prisoner R Suspension 2 Figure 31: 3rd Section 4th Shoulder

Claims (1)

[Claims] A manual document feeder W is installed above the document support surface of the document processing device.
7. A document feeding device characterized in that the document feeder is provided with a quantum feeder and is attached to the document insertion side of the quantum feeder so as to be able to freely approach and separate the document pallet unit.