JPH07146519A - Copying machine - Google Patents

Abstract

PURPOSE:To provide a copying machine requiring small arranged area and capable of effectively using space in the upside direction of the copying machine. CONSTITUTION:This copying machine 3 is provided with a transparent plate 5 on which an original is placed, and an original cover plate 4 pressing the transparent plate 5 on which the original is placed from above; and it is equipped with at least one arm 1 rotatably attached to the plate 4 and a copying machine 3 main body side and hinging the plate 4 to the copying machine 3 main body. Then, a gear 2 rotatably attached to a shaft fixed at the middle part of the arm 1 is provided and gear parts 3a and 4a meshing with the gear 2 are respectively provided on the copying machine 3 main body side and the plate 4 side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a copying machine in which a transparent plate on which a document is placed is slid so that the space above the document pressing plate can be effectively used.

[0002]

2. Description of the Related Art In recent years, in offices, computers, various devices associated therewith, printers, copiers, and the like, which are arranged in the offices, have been increasing due to OA and the like. It is designed to be placed indoors with a narrow space. For example, a copier or a device equipped with it is one of the relatively space-saving devices because the paper feed tray and the paper discharge tray are protruding to both sides.

[0003]

Therefore, in view of domestic housing conditions, how to effectively use a small indoor space by arranging each device at an appropriate position has become a problem. Considering the layout space of the copying machine, not only the layout space but also the working space is required because the paper feed tray, the paper discharge tray, the paper post-processing device, etc. are provided on both sides of the copying machine. Has become
In order to effectively use the small indoor space, it has been desired to save space. SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a copying machine which solves the above-mentioned problems of the related art, requires only a small arrangement area, and effectively utilizes the space above the copying machine.

[0004]

The object of the present invention is to provide a copy having a transparent plate on which an original is placed and an original pressing plate for pressing the transparent plate on which the original is placed from above. In the machine, there is provided at least one arm that is rotatably attached to the original pressing plate and the copying machine main body side and hinges the original pressing plate with respect to the main body of the copying machine. A gear which is rotatably attached to the main body of the copying machine and an original pressing plate side which are engaged with the gear, respectively; In a copying machine having a plate and a document pressing plate that presses a transparent plate on which a document is placed from above, the transparent plate can be pulled out forward and backward, and push-up rollers are provided at both side ends of the transparent plate. For example the plate can be stored in the copying machine main body are integrally formed with the shell inside the cover, and linear protrusions are formed to face the moving path of the pushing-up roller,
The original pressing plate is pushed up by pulling out the transparent plate and pushing up the protrusions by the pushing-up roller. Further, in the copying machine according to claim 4, in the copying machine according to claim 3, an upper side of the copying machine is fed. The paper stock unit is disposed above the paper feed stock unit, and the paper discharge tray unit is arranged above the paper stock unit. Further, in the copying machine having the transparent plate that can be pulled out, in the state that the transparent plate is pushed in automatically, The document feeder can be mounted on the outer cover, and in the copying machine according to claim 1 or 3, the automatic document feeder is arranged above the copying machine.
When the automatic document feeder is driven, the scanner is stopped, and when the document pressing plate is used, the scanner is driven. Further, in claim 7, the document pressing plate and the copying machine main body are rotatable. At least one arm for hingedly attaching the original pressing plate to the main body of the copying machine, and having a first gear rotatably mounted on a shaft fixed to an intermediate portion of the arm, A second gear that meshes with the first gear is rotatably provided on the copying machine main body, and a gear portion that meshes with the first gear is provided on the original pressing plate, and the second gear is provided on the copying machine main body. There is provided a locking means for locking the second gear by engaging with.

[0005]

Therefore, according to the first aspect of the present invention, when the user opens the document pressing plate, the gear of the arm is operated so as to push the document pressing plate rearward so that the gear of the arm and the document pressing plate side. The original pressing plate is kept parallel to the transparent plate by being rotated by meshing with the gear part of the. In the second and third aspects, when setting the original, the transparent plate is pulled out to the front. At this time, the protrusion is pushed by the push-up roller, the document pressing plate is pushed up, and the transparent plate is easily pulled out. Then, after setting the original, the transparent plate is pushed in, after copying, the transparent plate is pulled out. At this time, the protrusion is pushed by the push-up roller and the original pressing plate is pushed up, so that the transparent plate can be taken in and out with the original set.

According to a fourth aspect of the present invention, the copying machine is provided by arranging a paper feed stock section on the upper side of the copying machine having the drawable transparent plate and a paper discharge tray section on the upper side of the paper feed stock section. Effectively use the upper space of. According to a fifth aspect of the present invention, in the copying machine having the transparent plate that can be pulled out, the ADF can be mounted on the outer cover while the transparent plate is pushed in, so that the equal pressure distribution of the original document on the entire transparent plate is achieved. It becomes easy to put out. Further, claim 6
Then, the ADF is arranged on the upper side of the copying machine having the original document pressing plate that moves in parallel or the transparent plate that can be pulled out. When the ADF is driven, the scanner is stopped, and when the original document pressing plate is used, By driving the scanner, the ADF and the document pressing plate are used properly. Further, according to claim 7, the document pressing plate can be opened / closed in a parallel movement state or can be opened / closed in a fully opened state around the hinge portion in some cases.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, an original pressing plate 4 and a main body of the copying machine 3 are linked to an upper end portion of the copying machine 3 by an arm 1. One end of the arm 1 has a rotating shaft 4b of the original pressing plate 4 and the other end. The copying machine 3 is rotatably supported by the main body 3b. A gear 2 is rotatably attached to a shaft 1b fixed to the arm 1. The gear 2 is a gear portion 3a formed on the body side of the copying machine 3 and a gear portion formed on the document pressing plate 4 side. 4a and 4a, respectively. The document pressing plate 4 is provided with a handle portion 4c. In this structure, when the manuscript holding plate 4 is pushed up by grasping the handle portion 4c, the arm 1 causes the gear 2 and the gear portion 3 to move.
The document pressing plate 4 is rotated in the direction of arrow B at the same time as it rotates in the direction of arrow A by meshing with a. As a result, the inclination of the document pressing plate 4 due to the rotation of the arm 1 in the direction of arrow A is offset, and the document pressing plate 4 is maintained in a horizontal state and moves in parallel.
The original is set using the space created by the parallel movement of the original pressing plate 4.

Next, a second embodiment according to claims 2 and 3 will be described with reference to FIGS. At both ends of the transparent plate 5 on which a document is placed, pull-out rollers 8 are attached, and push-up rollers 7 that push up the document pressing plate 6 with its dog portion 6a (which is a linear projection) are attached.
The transparent plate 5 and the document pressing plate 6 are housed in an outer cover 3b formed integrally with the main body of the copying machine 3, and are used to press the document pressing plate 6 against the transparent plate 5 with an appropriate pressure. The elastic body 9 is fixed to the inner surface side of the outer cover 3b. A handle 5a for pulling out is attached to the transparent plate 5. In this configuration, when setting the original on the transparent plate 5, the transparent plate 5 is pulled out by holding the handle 5a, and after the original is set, the transparent plate 5 is pushed in. This time,
The push-up roller 7 pushes up the document pressing plate 6 at the dog portion 6a to eliminate the friction between the transparent plate 5 and the document pressing plate 6, and the transparent plate 5 is taken in and out with the document on the transparent plate 5 being set. .

Next, a third embodiment based on claim 4 will be described. In FIG. 4, the structure 50 of the transparent plate 5 and the document pressing plate 6 of the second embodiment is arranged on the upper surface of the copying apparatus 3, the paper feed stock unit 20 is arranged on the upper side thereof, and the paper discharge tray 30 is arranged on the upper side thereof. (Sorter) is placed. in this way,
Since the transparent plate 5 is drawn out and the opening / closing space of the document pressing plate 6 can be omitted, the paper feeding / discharging section is arranged in the height direction of the copying machine 3 to save space in the lateral direction of the copying machine 3. Try.

A fourth embodiment based on claims 5 and 6 is shown in FIG. In the figure, on the upper surface of the copying machine 3, the structure 5 of the transparent plate 5 and the document pressing plate 6 of the second embodiment is arranged.
0, an ADF (automatic document feeder) 40, and a paper discharge tray 30 (sorter) are arranged, and the paper feed stock unit 20 is arranged below the copying machine 3. In this manner, as in the third embodiment, space saving in the lateral direction is achieved, and the paper feed stock unit 20 is arranged below the copying machine 3,
A space for arranging the ADF 40 is secured on the upper surface of the copying machine 3. In this case, when the ADF 40 is driven, the document moves, so that the scanner of the copying machine 3 stops, and when the document pressing plate 6 is used, the scanner moves normally.

Further, a fifth embodiment according to the seventh aspect is shown in FIGS. 6 and 7. 6 and 7, the document pressing plate 4 and the body of the copying machine 3 are linked to each other by an arm 11 at the upper end portion of the copying machine 3, and one end of the arm 11 is connected to a rotating shaft 4b of the document pressing plate 4. The other end is rotatably attached to the rotary shaft 3b of the main body of the copying machine 3. The shaft 12a fixed to the arm 11 has
A first gear 12 is rotatably attached. The first gear 13 is a second gear 13 rotatably supported by a rotary shaft 3b of the main body of the copying machine 3, and an original pressing plate. Four
And the gear portions 4a formed in the gear mesh with each other.
In the main body of the copying machine 3, a second gear locking member 17 including a solenoid 15 and a plunger 16 is provided near the second gear 13, and the gear locking member 17 is a switch (not shown). When it is turned on, it is excited, the plunger 16 is projected, engages with the hole 13a of the second gear 13, and the rotation of the second gear 13 is blocked. Reference numeral 19 indicates a return spring.

In this structure, the switch is turned on to bring the second gear 13 into a fixed state, and the handle portion 4c is provided.
When the document pressing plate 4 is rotated about the rotation shaft 4b via the arm 11 by gripping the document pressing plate 4, the arm 11 of the document pressing plate 4 is engaged with the first gear 12 and the second gear 13. At the same time, the document pressing plate 4 is rotated in the direction of arrow B by the meshing of the first gear 12 and the gear portion 4a. As a result, the inclination of the document pressing plate 4 due to the rotation of the arm 11 in the direction of arrow A is offset, and the document pressing plate 4 is held in a horizontal state and moves in parallel. When the switch is off, the first gear 12 and the second gear 13 rotate freely, so that the document pressing plate 4 is rotated about the rotation shaft 4b via the arm 11. Then, the document pressing plate 4 is rotated and opened in a fully opened state around the hinge shaft, and a thick book can be placed on the document placing table.

[0013]

As described above, according to the first aspect of the present invention, at least one of the document pressing plate and the copier body is rotatably attached to the document pressing plate to hinge the document pressing plate with respect to the copier body. An arm is provided, and a gear fixed to the shaft fixed to the middle part of the arm is rotatably provided. Gear parts meshing with this gear are provided on the copying machine body side and the document holding plate side, respectively, so that the document holding When the plate is opened with respect to the transparent plate, the document pressing plate moves in parallel, so that there is no need for an opening / closing space for the document pressing plate on the upper side of the copying machine as in the conventional case. Can be arranged, and the space above the copying machine can be effectively used. Further, it is possible to deal with both sheet and book documents.

According to the second aspect of the present invention, the transparent plate can be pulled out forward and backward, and the document pressing plate is housed in the outer cover integrally formed with the copying machine main body. The original can be placed by pulling out the transparent plate while the plate is closed, and the same effect as in claim 1 can be obtained (however, the book is quite thin).

According to a third aspect of the present invention, the transparent plate is provided with push-up rollers at both ends thereof, and the original pressing plate is provided with a linear projection facing the moving path of the push-up roller. The original holding plate is pushed up by pulling out the transparent plate and pushing up the protrusion by the push-up roller, so that the same effect as in claim 1 can be obtained, and when the transparent plate is taken in and out, the original holding plate is Since the document is separated from the document, it is possible to prevent such a problem that the document is misaligned when the document is placed on the transparent plate and pushed in, or the document is caught when it is pulled out and does not come out.

Further, according to the present invention, since the paper feed stock section is arranged above the copying machine and the paper discharge tray section is arranged above the paper stock stock section, the paper discharge tray and the paper feed tray are The arrangement area can be reduced without protruding to both sides of the copying machine, and the upper space of the copying machine can be effectively used. Further, according to claim 5, in the copying machine having the transparent plate that can be pulled out, the ADF can be mounted on the outer cover while the transparent plate is pushed in, so that the ADF can be fixed on at least three sides. Further, it becomes easy to obtain an equal pressure distribution over the entire surface of the transparent plate of the document, which can contribute to obtaining a good image. Further, claim 6
According to the above, the ADF is arranged on the upper side of the copying machine.
When the DF is driven, the scanner is stopped, and when the document pressing plate is used, the scanner is driven. Therefore, the same effect as that of claim 4 is obtained, and the case where the document pressing plate is used for copying. , ADF can be used separately.

Still further, according to the present invention, the original pressing plate can be opened / closed by switching between the parallel movement open / closed state and the full-open rotation open / closed state by a switch operation. Can also be set on the document table.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a copying machine according to claim 1.

FIG. 2 is a front view showing an embodiment of a copying machine according to claims 2 and 3.

FIG. 3 is a side sectional view showing an embodiment of a copying machine according to claims 2 and 3.

FIG. 4 is a front view showing an embodiment of a copying machine according to claim 4;

FIG. 5 is a front view showing an embodiment of a copying machine according to claims 5 and 6;

FIG. 6 is a front view showing an embodiment of a copying machine according to claim 7;

FIG. 7 is a side view showing an embodiment of a copying machine according to claim 7;

[Explanation of symbols]

 1, 11 Arm 2 Gear 3 Copy machine main body 3b Outer cover 4,6 Original pressing plate 4a, 3a Gear part 5 Transparent plate 6a Protrusion 7 Push-up roller 20 Paper feeding stock part 30 Paper ejection tray part 12 First gear 13 Second Gear 17 Gear locking member

Claims (7)

[Claims] 1. A copying machine having a transparent plate on which an original is placed and an original pressing plate for pressing the transparent plate on which the original is placed from above, wherein the original pressing plate and the copying machine main body are rotatable. At least one arm is provided for hingedly attaching the document pressing plate to the main body of the copying machine, and has a gear rotatably attached to a shaft fixed to an intermediate portion of the arm, and a gear meshing with the gear. A copying machine characterized in that parts are provided on the copying machine body side and on the original pressing plate side, respectively. 2. A copying machine having a transparent plate on which an original is placed and an original pressing plate that presses the transparent plate on which the original is placed, wherein the transparent plate can be pulled back and forth, The copying machine is characterized in that the plate is housed in an outer cover integrally formed with the copying machine body. 3. The transparent plate is provided with push-up rollers at both ends thereof, and the original pressing plate is provided with linear projections facing the movement path of the push-up rollers. 3. The copying machine according to claim 2, wherein the original pressing plate is pushed up by pulling out the plate and pushing up the protrusion by the pushing up roller. 4. A copying machine according to claim 3, wherein a paper feeding stock section is arranged above the copying machine, and a paper discharge tray section is arranged above the paper feeding stock section. 5. The copying machine according to claim 3, wherein in the copying machine having the transparent plate that can be pulled out, the automatic document feeder can be mounted on the outer cover while the transparent plate is pushed in. . 6. An automatic document feeder is arranged on the upper side of the copying machine. When the automatic document feeder is driven, the scanner is stopped, and when the document holding plate is used, the scanner is driven. The copying machine according to claim 1 or 3, which is characterized in that. 7. A copying machine having a transparent plate on which an original is placed and an original pressing plate for pressing the transparent plate on which the original is placed from above, wherein the original pressing plate and the main body of the copying machine are rotatable. There is provided at least one arm for hingedly attaching the document pressing plate to the main body of the copying machine, and has a first gear rotatably attached to a shaft fixed to an intermediate portion of the arm. A second gear that meshes with a first gear is rotatably provided on the copying machine body, and a gear portion that meshes with the first gear is provided on the document pressing plate, and the second gear is provided on the copying machine body. A copying machine provided with a locking means for locking the rotation of the second gear by engaging with the.