JP3978925B2 - Binding copy machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a binding copy machine that can clearly copy a page between right and left facing pages of a thick binding original, that is, a middle folding portion near a central binding portion.
[0002]
[Prior art]
Based on FIG. 5, a schematic structure of a conventional general copying machine and an outline of a copying process will be described. A bound original 23 having a copy surface 25 opened downward is placed on a horizontal original table 21 made of a translucent material such as glass. A copy surface 25 of the bound original 23 is irradiated from below the original table 21 by a light source 26 such as a fluorescent lamp or a halogen lamp. The light source 26 is formed to move in parallel by a scan motor (not shown) and a slider (not shown) from the right side of the drawing, and is provided in the vicinity of the light source 26 and moves together with the light source 26. The reflecting mirror 27 receives and reflects the reflected light of the copy surface 25 irradiated by the light source 26, that is, a shadow image, and then sequentially reflects to the fixed second reflecting mirror 28 and the fixed third reflecting mirror 29. The light is received and reflected, and the surface of the photosensitive drum 31 is exposed. In this photosensitive drum 31, copying is carried out by the following steps (1) to (6). (1) Charge is charged on the surface of the photosensitive drum 31 made of a selenium / terrell-type photosensitive member having chargeability / photoelectricity by a corona charger (not shown). (2) A shadow image of an original is exposed to a charged charge to form an electrostatic charge image and an electrostatic latent image. (3) A toner of charged fine particles (not shown) made of styrene / acrylic resin containing carbon and magnetic powder is attached on the surface of the photosensitive drum 31 by a developing device (not shown). (4) The toner image is transferred to the recording paper 30 by a transfer device (not shown). (5) A recording image 30 is rolled and heat-fixed by a fixing device (not shown) to obtain a copy image 32. ○ 6 The surface of the photosensitive drum 31 is neutralized by a static eliminator (not shown) and cleaned by a cleaner (not shown).
[0003]
[Problems to be solved by the invention]
As shown in FIG. 5, the copy surfaces 25A, a, B, and b of the binding original 23 correspond to the copy images 32A, a, B, and b of the recording paper 30, but on the horizontal platen 21. In the thick bound original 23 placed on the left and right pages, that is, the bent portion 24 between the left and right facing pages, that is, in the vicinity of the center binding portion is curved and does not come into close contact with the surface of the original table 21, so that the raised portion 22 is likely to occur. Since the light from the light source 13 does not reach the copy surfaces 25a and 25b of the raised portion 22 sufficiently and the focal point is not determined, the corresponding copy surfaces 32a and b become black or blurred. It was distorted and it was not copied brightly and clearly.
[0004]
Further, if the thick binding document 23 as described above is forced to open and pressed strongly with strong force to closely contact the document table 1, the center binding portion and the middle folding portion 24 of the binding document 23 may be damaged. was there. In addition, when a large number of pages of the thick binding original 23 are copied, the hands and arms are tired because of repeated strong spreading, and the copying work efficiency may be reduced.
[0005]
In addition, in order to clearly copy between the left and right facing pages of the thick binding original 23, that is, the middle folding portion 24 near the center binding portion, the binding is placed upward, and the photograph is taken and copied from above. However, such a thick copy machine is equipped with various control and correction functions such as measuring the distance of the curved surface, adjusting the focus, and adjusting the brightness uniformly. Therefore, there is a problem that the apparatus becomes large and complicated and becomes an expensive copying machine.
[0006]
The present invention has been made in view of the above-described problems of the prior art, and the middle folded portion in the vicinity of the central binding portion of a thick bound original is placed in close contact with the original platen so that it is clear. The present invention provides a copy machine for a binding book that can be copied to a book.
[0007]
[Means for Solving the Problems]
The binding copying machine according to the present invention is formed on left and right document tables that are inclined to the left and right planes with the central part of the document table being a chevron-shaped boundary, and the left and right document tables are inclined with respect to the central part of the document table. And a light source that translates along the left and right document tables while irradiating from below the left and right document tables, and the right first reflecting mirror is rotatable at the upper left end of the light source cover. The left first reflecting mirror is attached to the pivotable structure at the upper right end of the cover at a position symmetrical to this, and the right second reflecting mirror, the right third reflecting mirror, and the fixed structure so as to correspond to the right original table. A right fourth reflecting mirror is disposed, and a left second reflecting mirror, a left third reflecting mirror, and a left fourth reflecting mirror having a fixed structure are disposed at positions symmetrical to the right fourth reflecting mirror, respectively. The light source and the left and right first reflecting mirrors are moved to the left by a scan motor and a slider. When copying a thick bound original, open the surface to be copied downward and place the folded portion near the center binding area at the boundary of the chevron of the original table. The right copy surface is aligned with the right document table and the left copy surface is aligned with the left document table so that the right and left copy surfaces and the entire area near the folded portion are in close contact with the left and right document table surfaces. The right copy surface irradiated by the light source is exposed to the photosensitive drum through the right first reflecting mirror, the right second reflecting mirror, the right third reflecting mirror, and the right fourth reflecting mirror, The left copy surface irradiated by the light source is exposed to the photosensitive drum through the left 1 reflecting mirror, the left 2nd reflecting mirror, the left 3rd reflecting mirror, and the left 4th reflecting mirror. The left and right images of the binding manuscript irradiated by are exposed on the photosensitive drum via different optical paths and copied. It is obtained by forming manner.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
With reference to FIGS. 1 to 3 will be described exemplary embodiments of spelling the copier of this invention.
[0009]
The right document table 1A and the left document table 1B are formed by inclining in a bilaterally symmetric plane with the central portion 2 of the document table 1 as a mountain-shaped boundary. A light source 6 is provided that translates along the left and right document tables 1A and 1B while irradiating from below the left and right document tables 1A and 1B. The left and right shadow images of the binding original 3 irradiated by the light source 6 are formed so as to be exposed and copied onto the photosensitive drum 11 through the left and right optical paths by a reflecting mirror, prism, lens, and the like.
[0010]
In the embodiment shown in FIG. 1, a plurality of reflecting mirrors are provided to form separate left and right optical paths. A right first reflecting mirror 7A is attached to the upper left end of the cover of the light source 6 in a rotatable structure, and a left first reflecting mirror 7B is attached to the upper right end of the cover at a symmetrical position. Further, a right second reflecting mirror 8A, a right third reflecting mirror 9A, and a right fourth reflecting mirror 10A having a fixed structure are respectively disposed so as to correspond to the right document table 1A, and the left left reflecting mirror 10A is positioned symmetrically with them. The left second reflecting mirror 8B, the left third reflecting mirror 9B, and the left fourth reflecting mirror 10B having a fixed structure are arranged so as to correspond to the document table 1B. The light source 6 and the left and right first reflecting mirrors 7A and 7B are formed to move in parallel along the left and right document tables 1A and 1B by a scan motor (not shown) and a slider (not shown).
[0011]
As shown in FIG. 1, when copying a thick bound original 3, the copy surface 5 is opened downward, and the middle folding part 4 near the central binding part is located at the center of the chevron boundary of the original table 1. 2 and the right copy surface 5A is aligned with the right document table 1A, and the left copy surface 5B is aligned with the left document table 1B. The original table 1A, B is placed in close contact with the surface. The right copy surface 5A irradiated by the light source 6 passes through the right first reflecting mirror 7A, the right second reflecting mirror 8A, the right third reflecting mirror 9A, and the right fourth reflecting mirror 10A as shown by the solid line optical path. Then, the photosensitive drum 11 is exposed. The left copy surface 5B irradiated by the light source 6 has a left first reflecting mirror 7B, a left second reflecting mirror 8B, a left third reflecting mirror 9B, and a left fourth reflecting mirror 10B, as shown by an optical path of a one-dot chain line. Then, the photosensitive drum 11 is exposed to light. Incidentally, the copying steps ○ 1, ○ 2, ○ 3, ○ 4, ○ 5, ○ 6 on the photosensitive drum 11 are performed in the same manner as in the prior art. In this way, the left and right copy surfaces 5A and B and the middle folded portion 4 of the thick bound original 3 are clearly copied on the recording paper 20 with the left and right copy images 12A and B and the central portion 14 at a uniform density. Is done.
[0012]
The copying process will be described in detail with reference to FIG. (Step 1) The bound original 3 is opened downward, the middle folding portion 4 near the center binding portion is made to coincide with the central portion 2 of the chevron boundary of the original table 1, and the right copy surface 5A is set to the right original table 1A. The left copy surface 5B is aligned with the left document table 1B and placed in a close contact state using the weight of the bound original 3. (Step 2) Copy conditions such as the size selection of the recording paper 20 are set. (Step 3) The switch is turned on, and (Step 4) the light source 6 and the first reflecting mirrors 7A and 7B are moved together in parallel, for example, from the right platen 1A to the left platen 1B. (Step 5) The edge of the right copy surface 5A of the bound original 3 is detected by a sensor (not shown), the light source 6 is turned on and turned on, and (Step 6) on the platen 1A on the right The surface to be copied 5A is irradiated and the light source 6 and the first right reflecting mirror 7A move between the center portion 2 and the right surface to be copied 5A is copied. (Step 7) The central portion 2 of the document table 1 is detected by a sensor (not shown), and when it arrives at this position, the right first reflecting mirror 7A is switched to the left first reflecting mirror 7B. (Step 8) The light source 6 and the left first reflecting mirror 7B travel again to copy the left copy surface 5B. (Step 9) The trailing edge of the left copy surface 5B is detected by a sensor (not shown), and the light source 6 is turned off and turned off. (Step 10) The light source 6 and the first reflecting mirrors 7A and 7B are returned to the initial positions and reset. (Step 11) The bound original 3 is removed to complete the copying.
[0013]
Based on FIG. 3 will be further described embodiment of spelling the copier of this invention. Centering on the central portion 2 of the document table 1, the left and right document tables 1A and 1B, the left and right first reflecting mirrors 7A and 7B, the left and right second reflecting mirrors 8A and 8B, the left and right third reflecting mirrors 9A and 9B, The entire left and right fourth reflecting mirrors 10A and 10B are formed in a rotatable structure with a symmetrical opening angle X, and the opening angle X can be freely adjusted by changing. In this structure, the opening angle X of the left and right document tables 1A and 1B is freely adjusted in accordance with the ease of opening of the middle folded portion 4 in the vicinity of the binding portion of the binding document 3 having various thicknesses, and can be easily performed. Since they can be brought into close contact with each other, it is possible to prevent the binding portion of the binding original 3 having various thicknesses from being damaged and to further improve the efficiency of the copying operation. In addition, when normally copying a bound booklet 3 that is easy to open, a bound booklet 3 that does not have characters in the middle-folded portion, or a flat document, the opening angle X of the left and right document tables 1A and 1B is set to 180 degrees. Copying is performed via the normal optical path or one of the optical paths as the set and horizontal document table 1.
[0014]
A comparative example using a document table will be described with reference to FIG. The left and right document tables are arranged on a document table 13 having document mount surfaces 14A and 14B, opposite side edge setting portions 16 and 16 and a space portion 17 having an isosceles side cross section at the lower portion with the central mountain portion 15 symmetrical. Form. This document table 13 is formed in a detachable structure so that it can be placed on the horizontal document table 1 or removed from the document table 1. The light source 6 and the reflecting mirror (not shown) are moved along the document table 13 as indicated by the arrows in the figure. Spelling the copier This is because the original table 1 of bottom horizontal, mechanism and structure of the copying machine becomes is simplified economic copier. Further, the original platen 13 is removed and the horizontal original platen 1 can be used by setting the lower reflecting mirror or the like so as to copy the horizontal original.
[0015]
Although not shown in the drawing, a document table that changes the inclination angle of the document document surface may be used so that the angle of the left and right document tables can be freely set. This angle-changeable document table is normally removed from the document table and used as a horizontal document table. When copying a bound document, the inclination angle of the document surface corresponding to the opening angle of the bound document Can be set freely and used easily.
[0016]
【The invention's effect】
As is apparent from the description, the binding copying machine according to the present invention is formed on left and right document tables inclined with the central part of the document table as a mountain-shaped boundary, and the left and right document tables are formed at the center of the document table. The light source that moves parallel to the left and right document tables is provided, and the right first reflecting mirror is attached to the rotatable upper structure at the upper left end of the light source cover. The left first reflecting mirror is attached to the rotatable upper structure at the upper right end of the cover in a symmetrical position, and the right second reflecting mirror, the right third reflecting mirror, and the right first reflecting mirror are fixed so as to correspond to the right document table. Four reflecting mirrors are respectively arranged, and a left second reflecting mirror, a left third reflecting mirror, and a left fourth reflecting mirror having a fixed structure are respectively arranged at positions symmetrical to the four reflecting mirrors, and the light source The left and right first reflecting mirrors are moved along the left and right platen by the scan motor and slider. Te formed to translate, the image of the left and right spelling the document illuminated by the light source, since the formed so as to perform copying by exposure to different optical paths menstrual photoconductor drum, spelling the document By adjusting the angle of the left and right document tables according to the thickness and ease of opening, it is possible to reduce the opening angle of bindings that are difficult to open, and protect easily damaged binding parts without opening them. Can do. In addition, since the bound original is opened and matched without excessive force, the efficiency of copying can be further improved. Also, when normally copying easy-to-open bindings, bindings with no characters at the center of folding, flat documents, etc., set the left and right document tables to a horizontal document table and copy them using the normal optical path. You can also.
In addition, since the thick binding document is in close contact with the document table surface including the middle folding portion near the central binding portion, the central folding portion near the central binding portion is uniform without damaging the central binding portion of the binding. A clear copy surface can be obtained. In addition, since the center part of the binding original is aligned with the central chevron of the left and right platen, it is easy to align the center part of each other, the weight of the binding original can be used, and the force to open and hold is impossible. Therefore, the efficiency of copying can be improved. In addition, the mechanism and structure of the copying machine is simple and the copying machine is economical.
[0017]
[Brief description of the drawings]
1 is a side view showing an embodiment of spelling the copier according to the invention of this.
FIG. 2 is an explanatory view showing a copying process of embodiment of the invention of this.
3 is a side view showing an embodiment of spelling the copier according to the invention of this.
FIG. 4 is an explanatory side view in which a part of a comparative example using a document table is omitted.
FIG. 5 is an explanatory diagram showing an example of a conventional general copying machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Original stand 1A Right original stand 1B Left original stand 2 Center part 3 Binding original 4 Middle folded part 5 Copy surface 5A Right copy surface 5B Left copy surface 6 Light source 7A Right first reflector 7B Left first reflector 8A Right second reflecting mirror 8B Left second reflecting mirror 9A Right third reflecting mirror 9B Left third reflecting mirror 10A Right fourth reflecting mirror 10B Left fourth reflecting mirror 11 Photosensitive drum 12A, B Copy image 13 Original platen 14A , B Document placing surface 15 Central mountain portion 16 Installation portion 17 Space portion 20 Recording paper 21 Document table 22 Lifting portion 23 Binding document 24 Middle folding portion 25 Copy surface 25A, a, B, b Copy surface 26 Light source 27 1 Reflector 28 Second Reflector 29 Third Reflector 30 Recording Paper 31 Photosensitive Drum 32A, a, B, b Copy Image

Claims (1)

The left and right document tables are tilted in the left and right planes with the central part of the document table as a mountain-shaped boundary, and the left and right document tables are formed so that the central part of the document table is symmetrical and the tilt angle can be changed. A light source that moves in parallel along the left and right document tables while irradiating from below the document table is provided, and a right first reflecting mirror is attached to a rotatable structure at the upper left end of the cover of the light source. The left first reflecting mirror is attached to the pivotable structure, and the right second reflecting mirror, the right third reflecting mirror, and the right fourth reflecting mirror having a fixed structure are disposed so as to correspond to the right document table, respectively. And a left second reflecting mirror, a left third reflecting mirror, and a left fourth reflecting mirror having a fixed structure so as to correspond to the left document table at symmetrical positions, respectively, and the light source and the left and right first reflecting mirrors are: Translated along the left and right platen by the scan motor and slider When copying a thick bound manuscript, the copy surface is opened downward so that the center folding portion near the center binding portion matches the central portion of the chevron boundary of the platen, and the right copy surface Is placed on the right platen and the left copy surface is aligned with the left platen, and the left and right copy surfaces and the entire area near the folded part are placed in close contact with the left and right platen surfaces and irradiated by the light source. The right copying surface is exposed to the photosensitive drum through the right first reflecting mirror, the right second reflecting mirror, the right third reflecting mirror, and the right fourth reflecting mirror, and the left copying object irradiated by the light source. The surface is exposed to the photosensitive drum through the left 1 reflecting mirror, the left 2nd reflecting mirror, the left 3rd reflecting mirror, and the left 4th reflecting mirror. Thus, the left and right sides of the binding original irradiated by the light source are exposed . The image is formed so as to be copied by exposure onto the photosensitive drum through separate optical paths. Spelling book for copiers.

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