JPH06258892A - Book fixing device - Google Patents

Abstract

PURPOSE:To provide the book fixing device capable of surely fixing a book regardless of the thickness and the size of a book. CONSTITUTION:The book fixing device is provided with a central supporting part supporting the binding part 101 of the book 100 which is in a spreading condition, and a corner pressing part 4 pressing the vicinity of the corner part of the spreading surface of the book 100, and, the central supporting part has at least a pair of supporting members 3 and 3 supporting both ends in the binding direction of the binding part 101. Furthermore, the pair of supporting members 3 and 3 is movably provided in the binding direction of the book 100, and the corner pressing part 4 is movably provided in parallel with a plane surface on which the book 100 is placed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a book fixing device used in a copying machine or the like.

[0002]

2. Description of the Related Art When copying a book with a copying machine,
It is necessary to fix a book in a two-page spread so that the pages do not turn over. Conventionally, an automatic page turning device 50 shown in FIG. 6 is provided with such a book fixing structure. The page turning device 50 is incorporated in a copying machine or the like, and includes a book placing table 51 and a page turning mechanism 52, and the book 10 placed on the book placing table 51 in a spread state.
The pages of 0 are sequentially turned by a page turning mechanism 52 having a suction portion 53. In this automatic page turning device 50, a binding portion support groove 54 having a book fixing structure is formed in the center of a book mounting table 51, and the binding portion 101 of the book 100 is engaged with the binding portion support groove 54. As a result, the book 100 in the spread state is supported and fixed.

[0003]

By the way, in such a book fixing structure, although the size of the book 100 to be fixed varies, the size of the book 100, especially the thickness of the book 100, supports the binding portion. If the width of the groove 54 is too thin or too thick, there is a problem that the groove 54 cannot be fixed properly. Further, the binding portion 1 which is the central portion of the book 100
There is also a problem in that the book 100 cannot be reliably fixed because the book 01 is only supported and fixed and the left and right ends of the book 100 are not supported.

Therefore, it is an object of the present invention to provide a book fixing device which can surely fix a book regardless of its thickness or size.

[0005]

In order to achieve such an object, the book fixing device of the present invention is provided with a central supporting portion for supporting a binding portion of a book in a spread state and a corner of a spread surface of the book. And a corner pressing portion for pressing, and the central support portion has at least a pair of support members that support both ends of the binding portion in the binding direction, and these support members are movable along the binding direction of the book. Is provided,
The corner pressing portion is characterized in that it is provided so as to be movable in parallel with the plane on which the book is placed.

[0006]

According to the above construction, it is possible to change the distance between the supporting members forming the corner pressing portion according to the thickness of the book. Further, it becomes possible to change the position of the corner pressing portion according to the size of the book in the spread state.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective view of a book fixing device according to an embodiment of the present invention. The book fixing device 1 is incorporated in an image reading device such as a copying machine or an image scanner, and includes a base 2, a pair of support bases 3 provided on the base 2, and a support. It is provided with corner pressing portions 4 and 4 attached to the outer ends of the bases 3 and 3, respectively. Support base guide cylinders 5 and 5 are attached to the base 2.
The support guide cylinders 5 and 5 are attached to both ends of the center of the surface of the base 2 in the depth direction in the figure, and their tips extend to the left and right. The supports 3 and 3 are the support guide cylinders 5 and 5.
Are slidably fitted and opposed to each other, and can be moved along the surface of the base 2 in the direction of mutual separation. The upper surfaces of the supports 3 and 3 are book mounting surfaces 6 and 6.
Has become. Further, a chamfered portion 7 is provided on each of the upper ends of the opposite ends of the supporting bases 3, 3. In addition, in this embodiment, a central support portion is constituted by the support bases 3 and 3.

The corner pressing portion 4 comprises a main body portion 8 and a pressing claw portion 9. The main body portion 8 has corner holding portion support cylinders 10 and 10 that project toward the support base 3, and the corner holding portion support cylinders 10 and 10 are slidably fitted to the support base 3 to be supported. It is attached to the outer end surface 3a of the table 3 so as to be detachable. The pressing claw portions 9 are provided on both upper and lower ends of the body portion 8, and have a pressing claw portion support cylinder 11 and a claw body 12 that project toward the body portion 8.
The holding claw portion 9 is detachably attached to the body portion 8 by slidably fitting the holding claw portion support cylinder 11 to the body portion 8. The claw body 12 is formed so as to project upward from the pressing claw portion 9. The upper surfaces of the main body portion 8 and the pressing claw portion 9 are flat surfaces flush with the book placing surface 6 so that the book to be placed is stable.

Next, the fixing operation of the book 100 by the book fixing device 1 having the above-mentioned structure will be described with reference to FIGS. First, the supports 3 and 3 are sufficiently separated from each other, and the main body 8 and the pressing claws 9 of the corner presser 4 are separated from the support 3 and the main body 8 respectively. In this state, as shown in FIG. 2, the book 10 in the spread state is placed on the book placing surface 6.
Place 0. At this time, the binding portion 101 located on the back surface side of the book 100 is fitted into the gap 13 between the support bases 3 and 3. At this time, the claw main body 12 of the corner pressing portion 4 is located outside the book 100 and does not engage with the book 100.

In this way, the book 100 is placed on the book placing surface 6.
After mounting, as shown in FIG. 3, the support bases 3 are slid in a direction in which they approach each other, and the gap 13
Reduce the space between. Then, the binding portion 101 of the book 100 is sandwiched between the chamfered portions 7, 7 of the support bases 3, 3 to be supported and fixed.

After the supporting and fixing of the binding portion 101 is completed,
As shown in FIG. 4, the corner pressing portion 4 is slid toward the support base 3 side until the left and right ends of the book 100 are reached. In this state, since the pressing claw portion 9 is located on the outer side in the vertical direction of the book 100, the claw body 12 does not engage with the book 100. After the corner pressing portion 4 is slid and moved, as shown in FIG. 5, each of the pressing claw portions 9 is slid toward the book 100 side until the claw main body 12 engages with the corner of the book 100. Then, the nail body 12 is the book 10
The corner of the book 100 is pressed from above by engaging the corner of 0. Therefore, the corners of the book 100 are pressed by the claw body 12, and the binding portion 101 of the book 100 is sandwiched and supported by the chamfered portions 7 of the support bases 3 as described above. It will be firmly supported and fixed.

In addition, the supports 3 can be slid according to the thickness of the book 100, and the book 1 in the spread state can be used.
Since the corner pressing portion 4 can be slid vertically and horizontally depending on the size of 00, any thickness of the book 100 or any size of the book 100,
Can be securely supported and fixed.

In the book fixing device 1 of the above embodiment, the support cylinders of the corner pressing portion supporting cylinder 10 and the pressing claw portion supporting cylinder 11 have the same height as the book mounting surface 6 so that the supporting cylinders are supported. The installation positions of 10 and 11 are set, and the entire surface on which the book 100 is placed is flat so that the book 100 can be placed stably.

A cover plate that covers the upper portion of the corner pressing portion 4 and reaches the support base 3 is attached to the corner pressing portion 4, and the upper surface of the cover plate may be a flat surface flush with the book placing surface 6. The book 100 can be placed more stably.

Furthermore, if the pawl main body 12 is attached to the pressing pawl portion 9 so as to be movable up and down, the corners of the book 100 after engagement can be surely pressed from above by the pawl main body 12, and the book 100 is fixed. Can be made even stronger. Further, in this way, the support of the book 100 by the corner pressing portion 4 can be flexibly dealt with to the variation of the thickness of the book 100.

Further, in the above embodiment, the position adjustment of the support base 3 and the corner pressing portion 4 is manually performed. However, a sensor for detecting the positions of the support base 3 and the corner pressing portion 4 and these sensors are used. It is also possible to provide a motor for transporting the position and perform the position adjustment automatically or semi-automatically.

[0017]

As described above, according to the present invention, the mounting positions of the support base and the corner pressing portion can be set at arbitrary positions according to the thickness and size of the book, and the book can be adjusted in thickness and size. Regardless of size, it can now be securely fixed.

[Brief description of drawings]

FIG. 1 is a perspective view showing a structure of a book fixing device according to an embodiment of the present invention.

FIG. 2 is a front view and a side view showing a state of a first stage of a book fixing operation using the book fixing device of the embodiment.

FIG. 3 is a front view showing the state of the second stage of the book fixing operation using the book fixing device of the embodiment.

FIG. 4 is a front view showing a state of a third stage of the book fixing operation using the book fixing device of the embodiment.

FIG. 5 is a front view and a side view showing a final stage state of a book fixing operation using the book fixing device of the embodiment.

FIG. 6 is a perspective view of a conventional example.

[Explanation of symbols]

 3 Support base 4 Corner holding part 100 Book 101 Binding part

Claims (1)

[Claims] 1. A center support part for supporting a binding part of a book in a two-page spread state, and a corner pressing part for pressing near a corner part of the two-page spread surface of the book, wherein the center support part has both ends in the binding direction of the binding part. While having at least a pair of supporting members for supporting, these supporting members are provided so as to be movable along the binding direction of the book, and the corner pressing portion is provided so as to be movable in parallel with the placing plane of the book. A book fixing device characterized by being provided.