JPH0648516Y2 - Guide for side positioning of copier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a side positioning guide used in a document feeding device or a copy paper feeding device of a copying machine, and particularly to a side positioning in which a sliding pad is attached to the back surface of the guide. For the guide.

[Conventional technology]

In the document feeder and copy paper feeder of a copying machine,
Guides are used for side positioning of documents and paper. An automatic document feeder will be described below as an example.

FIG. 3 is a front view showing the main part of the automatic document feeder.
As shown in the figure, the automatic document feeder 2 includes a document tray 3
The document transport unit 4 and the document storage tray 5 are the main components and are installed above the copying machine body 1. The originals a placed on the original tray 3 are sequentially supplied one by one from the original tray 3 to the original conveying section 4 (internal structure is not shown), and conveyed in the direction indicated by the arrow in the drawing to move to the copying machine main body 1. It is placed on a platen glass (not shown), copied here, and then conveyed again to be stored in the original storage tray 5.

In the automatic document feeder 2, guides 6 and 7 are provided on the document tray 3 for side positioning of the document a. A pad 71 is attached to the back surface of the guide 7 for side positioning.

FIG. 4 is a plan view of the original tray 3 section. As shown in the figure, the substrate 31 of the document tray 3 is provided with guides 6 and 7 for side positioning of the document a. Guide 6 is substrate 31
The guide 7 is fixedly provided on one side, and is provided so as to be movable in the arrow direction along an elongated hole 32 formed in the substrate 31.

Here, the guides 6 and 7 and the substrate 31 are arranged so that the document storage state in the document storage tray 5 below can be visually observed from the outside.
Translucent plastic material (eg polystyrene, ABS
The guide 7 is made of a resin or the like) to prevent the guide 7 and the substrate 31 from being scratched by sliding when the guide 7 is moved, and to prevent abnormal noise from being generated during sliding.
A pad 71 is attached to the back surface of the.

FIG. 5 is a sectional view taken along line XX of FIG. Pad 71
For example, synthetic leather "Clarino" (trade name of Kuraray Co., Ltd.) is attached to the back surface of the guide 7 with an adhesive.

[Problems to be solved by the device]

In the conventional guide 7, the portion on the back surface to which the pad 71 is attached has a flat surface. For this reason, there is a problem that there is a step between the end 72 of the pad 71 and the back surface of the guide 7, and the end 72 of the pad 71 is easily peeled off when the guide 7 is moved, so that the pad 71 is easily slidable. Such a problem is not limited to the automatic document feeder, but has the same problem not only in the copy sheet feeder.

The present invention solves the above-mentioned drawbacks of the conventional device. In a document or copy sheet feeding device of a copying machine, the shape of the back surface of the side positioning guide is improved so that the pad attached to the back surface does not come off. The purpose is to do.

[Means for Solving the Problems]

In order to achieve the object, the side positioning guide of the present invention is provided slidably with respect to a substrate on which an original or copy sheet is placed in an original or copy sheet feeder of a copying machine. A side positioning guide having a sliding pad attached to the pad, the end of the pad being the central portion of the pad when the pad is attached to a portion of the back surface of the guide corresponding to the end of the pad. And a recess having a depth that does not come into contact with the sliding surface between the substrate and the substrate.

[Action]

In the present invention, when the pad is attached to the back surface of the guide on the movable side, for example, a grooved recess having a taper or a curved surface is provided in the guide back surface portion corresponding to the end portion of the pad. As a result, when the pad is attached to the back surface of the guide, the end portion of the pad is recessed in the back surface of the guide, and the end portion of the pad does not contact the sliding surface. Since the parts other than the end part of the pad come into contact with the sliding surface such as the sheet mounting surface of the sheet feeding device to slide, there is no problem in the sliding itself. Since it does not come into contact with the surface, the pad end does not peel off.

〔Example〕

Hereinafter, the features of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a side sectional view of a pad adhering portion of a side positioning guide in an embodiment of the present invention, and FIG. 2 is a front view showing a document tray portion of an automatic document feeder using the guide. In FIG. 2, parts corresponding to the members shown in FIG. 3 are designated by the same reference numerals.

As shown in the figure, in this embodiment, the movable side guide 8
Guide 8 corresponding to the end 82 of the pad 81 attached to the back surface of the
A recess was provided on the back surface. This recess is a groove-shaped recess having a taper or an inclination with a curved surface, and the depth thereof is the pad when the pad 81 is attached to the back surface of the guide 8.
The end 82 of 81 is buried in the back surface of the guide 8 so that the end 82 of the pad does not come into contact with the sliding surface. In this way, even if the pad end portion 82 is buried in the back surface of the guide 8,
The sliding surface of the document placing surface of the document tray 3 is the end of the pad 81.
Since parts other than 82 contact and slide, there is no problem in sliding itself, while pad end 82 does not contact the sliding surface, so pad end 82 does not peel off. .

Although the embodiment of the automatic document feeder has been described above, it is needless to say that the present invention can be applied to a copy sheet feeding device. [Advantages of the Invention] As described above, according to the present invention, the copying machine In a side positioning guide in a document or copy sheet feeding device, when a pad is attached to the back surface of the guide, which corresponds to the end of the pad attached to the back surface of the movable side guide, the end of the pad becomes a sliding surface. A recess having a depth that does not abut was provided. As a result, when the pad is attached to the back surface of the guide, the end of the pad is recessed in the back surface of the guide, the pad end does not contact the sliding surface, and the pad end does not contact the sliding surface. There is no peeling. Therefore, the guide does not become slidable and the life of the pad is extended.

[Brief description of drawings]

FIG. 1 is a side sectional view of a pad attaching portion of a side positioning guide in an embodiment of the present invention, and FIG. 2 is a front view showing a document tray portion of an automatic document feeder using the guide. On the other hand, FIG. 3 is a diagram showing a configuration example of a conventional automatic document feeder, FIG. 4 is a plan view of a document tray portion of the device, and FIG. 5 is a side sectional view of a guide of the device. 1: Copier body, 2: Automatic document feeder 3: Document tray, 31: Substrate 32: Slot, 4: Document transport section 5: Document storage tray, 6: Fixed side guide 7: Movable side guide, 71: Pad 72: Pad edge, 8: Movable guide 81: Pad, 82: Pad edge a: Original

Claims (1)

[Scope of utility model registration request] 1. A side-positioning device provided on a document or copy sheet supply device of a copying machine so as to be slidable with respect to a substrate on which the document or copy sheet is placed, and a pad for sliding is attached to the back surface of the substrate. A guide, wherein when the pad is attached to a portion of the back surface of the guide corresponding to the end of the pad, the end of the pad does not contact the sliding surface between the central portion of the pad and the substrate. A side positioning guide for a copying machine, which is provided with a recess having a depth.