JPS6087131A - Paper feeding apparatus for copying machine - Google Patents

Abstract

PURPOSE:To cut production cost by installing guide rails and rollers which contacts in slidable ways onto a copying machine body and a paper feeding apparatus body. CONSTITUTION:U-shaped slide rails 5 and 5 are fixed onto the front and rear frames 2 and 3 of the body of a paper feeding apparatus A by bolts, and rollers 7 and 7 are installed onto the top edge of the guide rails, and a positioning pin 9 is fixed at the rear edges of the front and rear frames 2 and 3 through an installation block 8. As for a copying machine body B, front and rear frames 21 and 22 are installed onto a base frame 20, and guide rails 24 and 24 which has U-shape and whose rear edge is spread are fixed onto the brackets 23 and 23 fixed onto the base frame 20 and the inner surface of the frames 21 and 22, and roller 26 and 26 and a plate 27 having a positioning hole 28 for the fitting of the pin 9 formed are installed onto the rear edge of the front and rear frames 21 and 22. The roller 7 of the paper feeding apparatus A is inserted along the guide rail of the copying machine body B and attached onto a stopper 25, and the pin 9 is inserted into the hole 28, and thus positioning is performed. The weight of the paper feeding apparatus A is supported by the slide rail 5, guide rail 24, and rollers 7 and 26, and no strain is generated. Therefore, the paper feeding apparatus A can be smoothly mounted or demounted from the copying machine body B.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a paper feeding device for a copying machine, and more particularly to a device for loading and unloading the paper feeding device into the main body of the copying machine.

Conventional technology Devices for loading and unloading the paper feed device into the main body of the copying machine include: 1;
A system in which a metal or plastic roller is inserted into a stud provided in the paper feeding device, and the roller is moved into a guide rail provided in the copying machine main body to move the paper feeding device in and out of the copying machine main body. position) and
2. Description of the Related Art A device is known in which a guide rail is provided on a base frame of a copying machine body in order to support the weight of the entire paper feeding device and to position the paper feeding device from side to side.

However, with this structure, the weight of the paper feeder is supported by the base frame of the copying machine, so if the paper feeder is heavy, the base frame may become distorted, causing the paper feeder to become attached to the copying machine. This has disadvantages in that it is difficult to set the paper feeder properly in the main body, and a large amount of force is required to insert and remove the paper feeder, which increases the burden on the operator.

There is also a device that uses an arcuride rail to take the paper feed device in and out of the copying machine body.

This structure increases the cost and has the disadvantage that the space for mounting the paper feeding device is restricted and it cannot be mounted in any desired space.

OBJECTS OF THE INVENTION It is an object of the invention to enable a paper feeding device to be smoothly inserted into and removed from a copying machine main body, and to have a simple structure and low cost.

Constituent structure of the invention: A copying machine main body and a paper feeding device main body are provided with guide rails and rollers that come into sliding contact with each other.

Example Fig. 1 is a front view of the paper feeding device, and Fig. 2 is a side view of the paper feeding device. The main body 1 is provided with a paper storage section, a feed roll, etc.

Slide rails 5 are fixed to the front and rear frames 2.3 with bolts 6, and rollers 7 are attached to the tips of the slide rails 5.

Positioning bins 9 are fixedly installed on the rear end sides of the front and rear frames 2.3 via mounting blocks S.

The slide rail 5 has a vertical wall 5α and upper and lower horizontal walls 5b, 5b.
The vertical wall 5α is in front with the bolt 6,
It is fixedly attached to the rear frame 2.3.

i Figures 3 and 4 show the front and side views of the paper feed assembly of the copying machine main body.
The frame 20 is provided with front and rear frames 21 and 22, and the inner surfaces of the front and rear frames 21 and 22 and the base frame 2
A pair of guide rails 24° 24 are fixedly installed across brackets 23 and 23 that are fixedly installed at o, and the guide rails 24 form an inward U-shape with a vertical wall 24α and upper and lower horizontal walls 24b and 24h. As well as upper and lower horizontal walls 241), 24
The rear end side of b is curved upward and downward to be wide in the middle, and a stopper 25 is fixed on the front end side.

Rollers 26 are provided below the rear ends of the guide rails 24 of the rear frames 21 and 22, respectively.

Further, a positioning plate 27 is fixed to the rear end sides of the front and rear frames 21 and 22, and a positioning hole 26 into which the positioning pin 9 is fitted is formed in the positioning plate 27.

Therefore, in order to insert paper feeder A into copying machine body B,
The rollers 7 of the main body T face the guide rails 24 of the copying machine main body B, the rollers 7 are made to follow the guide rails 24, and the guide rails 5 of one main body are inserted along the rollers 26 of the copying machine main body B.

Then, the roller 7 of the first main body comes into contact with the stopper 25 provided on the guide rail 24 of the copying machine main body B, and the main body 1 is positioned in the insertion direction, and the first positioning pin 9 is fitted into the positioning hole 2g, and the main body 1 is positioned in the front and rear directions, and is the paper feeding device? ↑A is positioned and inserted into the projector body B.

In order to prevent the main body 1 from being pulled out, it may be held by a stopper or the like (not shown).

In addition, when pulling out one main body j, it is sufficient to release the holding by the aforementioned stopper or the like and pull it out along the rollers 5F and the guide rails 24 and the guide rails 5 and the rollers 26 in the same manner as described above.

Note that the stopper 25 may be integrated with the guide rail 24 or may be separate.

The stopper 25 may be finely adjusted along the guide rail 24 so that the insertion and setting position of the paper feeder can be adjusted.

Also, after inserting and setting paper feeder A,
A stopper such as a bottle that interferes with the rollers 7 may be provided on the guide rail 24 to restrict the amount that the paper feeder A is pulled out from the copying machine body B.

The guide rail 24 may be made of sheet metal, but if high precision is required, it may be made of plastic.

As described above, the weight of the paper feeder (ffi A) is supported by the copying machine body B by the guide rails 5, 24 and rollers 7.26, and even if the weight of the paper feeder A is heavy, the base frame will not be distorted. Since this does not occur, the paper feeder person can be taken in and out of the copying machine main body B smoothly.

Further, since it is sufficient to provide the guide rail 5.24 and the rollers 7.26, the structure is simple and the cost is low.

Effects of the Invention A paper feeding device can be smoothly taken in and out of a copying machine main body, and the structure is simple and cost is low.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a front view of the paper feeding device, FIG. 2 is a side view, FIG. 3 is a front view of the part where the paper feeding device is attached to the main body of the copying machine, and FIG. Side view Figure 5 is a front view of the installed state. A is the paper feeder, B is the main body of the copying machine, 1 is the main body, 5.24 is the guide rail, and 7.26 is the roller. Applicant Fuji Xerox Co., Ltd. Agent - Patent Attorney Masaaki Yonehara Patent Attorney Tadashi Hamamoto 2 Figure 3 Figure 7: Jlk 'r: 2 Figure 5

Claims (1)

[Claims] In a paper feeding device of a copying machine, which is provided in the copying machine main body B at the insertion/removal position for the paper feeding device A, a guide rail 5.24 is provided in sliding contact with the main body 1 of the paper feeding device f&A and the copying machine main body B.
A paper feeding device for a copying machine, characterized in that a roller 7.26 and a roller 7.26 are provided.