JP6457351B2 - Book holding device - Google Patents

Description

  The present invention relates to a book holding device, and more particularly, to a device for holding a book in an open state.

  A conventional book holding apparatus will be described using a book stand shown in FIG. This book stand holds the open page by attaching and detaching two 0.8kg magnets attached to a wooden paperweight placed on the surface of a 1mm thick iron plate that is spread on the center surface of the reading stand. Moreover, it can return easily (patent document 1).

  A conventional book holding apparatus will be described using a book stand shown in FIG. When the book stand is used, the turntable 15 can be rotated and positioned arbitrarily, so that the reading / writing board 6 can be rotated and fixed in an appropriate direction. Furthermore, the tilting angle of the reading / writing board 6 supported by the slide rail 7 with respect to the horizontal plane can be adjusted within an appropriate range by the tiltable structure by the friction hinge 13. Moreover, the relative slide movement of the slide rail 7 and the slide cover 9 and the localization mechanism make it possible to arbitrarily adjust the height of the reading / writing board 6 within a certain range. Appropriate height, inclination angle, and rotation angle can be adjusted in 3D to meet the needs of users of various body shapes (Patent Document 2).

JP 2005-137856 A Registered Utility Model No. 31261183

  The above-described conventional book stand has the following points to be improved. The book stand has a point that should be improved because the table on which the book is placed is almost flat, and it is difficult to keep the book open when the thick book is set. In addition, when turning a page, it is necessary to move the part holding the page, which is troublesome. In addition, when adjusting the book to an easy-to-read angle / height, it is necessary to operate the fixing screw several times with your finger, so there are points to be improved such as the up / down angle / height adjustment being troublesome. .

  An object of the present invention is to provide a book holding device that can easily hold a book in an open state. It is another object of the present invention to provide a book holding device that can easily turn pages. Furthermore, it aims at providing the book holding apparatus which can adjust the up-down angle of the book of the state of opening easily.

  Means for solving the problems in the present invention and the effects of the invention will be described below.

  A book holding device according to the present invention is a book holding device that holds a book in an open state, and the book holding device supports a book back support member that supports a back portion of the book in an open state at a back support position, A book bottom support portion that supports the bottom of each of the left and right covers of the book in an open state at a bottom support position, the book bottom support portion being opened to the left and right with respect to a predetermined rotation axis, the book A book bottom arrangement space formed below the bottom support position, a page holding unit that contacts the left and right pages of the book at a page contact position, and holds the book in an open state. The bottom support position is located open to the left and right with respect to the rotation axis, the back support position is located closer to the rotation axis than the book bottom support position, and the left and right page contact positions correspond to each other. In the left and right book bottom support positions And, characterized in that, located on different sides from the rotating shaft side.

  Thereby, the book holding device can hold the book at a predetermined oblique angle with the book open. Further, since the book holding device holds the book at the left and right book bottom support positions and the left and right page contact positions, the book B can be reliably supported in the opened state.

  The book holding device according to the present invention is characterized in that the book bottom support portion can be rotated left and right around the rotation axis.

  Thus, the book can be held in an open state only by rotating the book bottom support part according to the thickness of the book or the closing force of the book.

  The book holding device according to the present invention is characterized in that the page holding portion is formed at an end of the book bottom support portion on a side different from the rotating shaft side.

  Thereby, a page holding | maintenance part can be moved integrally with a book bottom part support part. Therefore, the book can be easily held in an open state according to the thickness of the book or the closing force of the book.

  The book holding apparatus according to the present invention is characterized in that the page holding unit is movable.

  Thus, the book can be held in an open state only by moving the page holding unit according to the thickness of the book or the closing force of the book.

  In the book holding device according to the present invention, the back support position, the left and right book bottom support positions, and the left and right page contact positions are further centered on a vertical rotation axis that is a vertical rotation axis. And a vertical angle adjusting member that rotates in the vertical direction.

  Thus, the vertical angle of the opened book can be easily adjusted.

  In the book holding device according to the present invention, the vertical angle adjusting member engages a predetermined uneven portion, thereby rotating the back support position after rotating in the vertical direction, the left and right book bottom support positions, and the left and right The page contact position is fixed.

  Thereby, the angle of the up-down direction of the opened book can be easily adjusted without a troublesome performance.

  In the book holding device according to the present invention, the book spine support member is further rotatable in a direction side where the book bottom support portion is located.

  Thereby, the book holding device 400 can be stored compactly.

  Here, the correspondence between the constituent elements in the claims and the constituent elements in the embodiment is shown. “Book holding device” in the claims corresponds to “book holding device 100, 200, 300, 400” in the embodiment.

  The “book back support member” in the claims corresponds to “back support members 115, 215, 315, 415” in the embodiments. The “back support position” in the claims corresponds to the “back support position P115” in the embodiment.

  The “book bottom support portion” in the claims corresponds to “horizontal arm portions 111a, 113a, 211a, 213a, 311a, 313a, 411a, 413a” in the embodiment. “Book bottom support position” in the claims corresponds to “left book bottom support position P111a and right book bottom support position P113a” in the embodiments. “Book bottom arrangement space” in the claims corresponds to “book bottom arrangement space A110” in the embodiment. “Rotating shaft” in the claims corresponds to “center rotating shafts J110, J210, J310l, J310r, J410” in the embodiments.

  The “page holding unit” in the claims corresponds to the “page holding units 111c, 211c, 311c, 411c” in the embodiments. “Page contact position” in the claims corresponds to “left page contact position P111c and right page contact position P113c” in the embodiment.

The “upper and lower angle adjusting member” in the claims corresponds to the “upper and lower angle adjusting members 130 and 230” in the embodiments. The “vertical rotation axis” in the claims corresponds to the “vertical rotation axis J231” in the examples.

1 is a perspective view of a book holding device 100 which is an embodiment of a book holding device according to the present invention. 3 is a perspective view of a holding member 110 of the book holding device 100. FIG. 4 is an exploded view of the holding member 110. FIG. 3 is an exploded view of a movable adjustment member 131. FIG. FIG. 6 is a view showing a state where a book B is placed on a holding member 110. 6 is a side view of a holding member 110 on which a book B is placed. FIG. 6 is a plan view of a holding member 110 on which a book B is placed. FIG. It is a perspective view of the book holding device 200 which is one Example of the book holding device concerning this invention. 2 is an exploded perspective view of a book holding device 200. FIG. 2 is an exploded perspective view of a book holding device 200. FIG. 4 is a cross-sectional view of a vertical angle adjusting member 230. FIG. 4 is a cross-sectional view of a vertical angle adjusting member 230. FIG. It is a perspective view of the book holding device 300 which is one Example of the book holding device concerning this invention. 4 is an exploded perspective view of a book holding device 300. FIG. It is a figure which shows the conventional book holding | maintenance apparatus. It is a figure which shows the conventional book holding | maintenance apparatus. It is a perspective view of the book holding device 400 which is one Example of the book holding device concerning this invention. FIG. 4 is an exploded sectional view of a part of the book holding device 400. It is a figure which shows the cross section of the page holding | maintenance part 411c along the page pressing arrangement | positioning groove | channel 411c3. It is a figure which shows the cross section of the page holding | maintenance part 411c perpendicular | vertical to the page press arrangement | positioning groove | channel 411c3. It is a figure which shows the book holding | maintenance apparatus 400 of the state which rotated the back support part 415. FIG. It is a figure which shows the book holding | maintenance apparatus 400 of the state which rotated the back support part 415 and supported the book. It is a figure which shows the book holding | maintenance apparatus 400 of the state which closed the holding member 413. FIG. FIG. 6 is a left side view of the book holding device 400 in a state where the holding member 411 and the right holding member 413 are closed. 6 is a right side view of the book holding device 400 in a state where the holding member 411 and the right holding member 413 are closed. FIG. It is a front view of the book holding device 400 in the state where the holding member 411 and the right holding member 413 are closed. It is a rear view of the book holding device 400 in a state where the holding member 411 and the right holding member 413 are closed. It is a top view of the book holding device 400 in the state where the holding member 411 and the right holding member 413 are closed. It is a bottom view of the book holding device 400 in a state where the holding member 411 and the right holding member 413 are closed. FIG. 6 is a left side view of the book holding device 400 in a state where the holding member 411 and the right holding member 413 are opened. FIG. 6 is a right side view of the book holding device 400 in a state where a holding member 411 and a right holding member 413 are opened. It is a front view of the book holding device 400 in a state where the holding member 411 and the right holding member 413 are opened. It is a rear view of the book holding device 400 in a state where the holding member 411 and the right holding member 413 are opened. It is a top view of the book holding device 400 which opened the holding member 411 and the right holding member 413. It is a bottom view of the book holding device 400 in a state where the holding member 411 and the right holding member 413 are opened.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. As an example of a book holding apparatus according to the present invention, a book holding apparatus 100 that holds a book in an open state will be described.

First Configuration The overall configuration of the book holding device 100 will be described with reference to FIG. The book holding device 100 includes a holding member 110 and a vertical angle adjusting member 130. The holding member 110 is for holding a book in a spread state. The vertical angle adjusting member 130 adjusts the vertical angle of the book placed on the holding member 110. Hereinafter, the configuration of the holding member 110 and the vertical angle adjusting member 130 will be described.

1. Configuration of Holding Member 110 The configuration of the holding member 110 will be described with reference to the perspective view shown in FIG. 2 and the perspective exploded view shown in FIG. As shown in FIG. 2, the holding member 110 includes a left holding member 111, a right holding member 113, a back support member 115, and a fixing member 117.

  As shown in FIG. 3, the left holding member 111, the right holding member 113, and the back support member 115 are integrally assembled using a fixing member 117. The left holding member 111 has a horizontal arm portion 111a, an annular shaft portion 111b, and a page holding portion 111c. The horizontal arm portion 111a has a prismatic shape with a predetermined length. The horizontal arm portion 111a has an annular shaft portion 111b at one end and a page holding portion 111c at a different end. The annular shaft portion 111b has an annular structure having a fixing member insertion hole 111b1 at the center. The page holding portion 111c has an inverted L shape when viewed from the horizontal arm portion 111a. The page holding part 111c has a page pressing part 111c1 formed in a smooth curved surface at the tip of an inverted L shape. The page pressing portion 111c abuts on the opened page of the book placed on the holding member 110 in the opened state, and maintains the opened state of the placed book. Further, since the page pressing portion 111c1 is formed by a smooth curved surface, it is possible to easily insert and remove pages accompanying page turning.

  Since the page pressing portion 111c1 is formed at the tip of the horizontal arm portion 111a, the page holding portion 111c1 is rotated around the central rotation axis J110 of the horizontal arm portion 111a, that is, the central rotation axis J110 of the left holding member 111 is the center. It rotates according to the rotation. Thus, since the page pressing portion 111c1 can be rotated according to the rotation of the left holding member 111 about the central rotation axis J110, the state close to the open state of the book B when held by a human hand. Thus, the open state of the book B can be formed in the book holding device 100.

  The same applies to the right holding member 113.

  The back support member 115 has a column shape with a semicircular cross section. The back support member 115 has a wedge-shaped back arrangement space A115 from a position at a predetermined height toward the upper end. By forming the back arrangement space A115, the book is inclined and easily supported. The back support member 115 has a fixing member receiving recess (not shown) formed in a predetermined length from the bottom surface to the inside vertically. The inner surface of the fixing member receiving recess is threaded and functions as a female screw.

  The fixing member 117 has a screw part 117a and a head part 117b. The threaded portion 117a is threaded and functions as a male screw. The screw portion 117 a is a fixing member receiving recess formed on the bottom surface of the back support member 115 after being inserted into the fixing member insertion hole 111 b 1 of the left holding member 111 and the fixing member insertion hole 113 b 1 of the right holding member 113. Threaded onto. Thereby, the left holding member 111, the right holding member 113, and the back support member 115 are integrated. Further, the left holding member 111 and the right holding member 113 rotate between the movable ranges R111 and R113, respectively, around the central rotation axis J110 of the fixed member 117. Furthermore, the opening angle between the left holding member 111 and the right holding member 113 can be fixed by increasing the force when the fixing member 117 is screwed together. Thereby, even if it is a book with a strong force which goes from the open state to the closed state, the open state can be maintained.

2. Vertical angle adjustment member 130
The vertical angle adjusting member 130 will be described with reference to FIG. FIG. 4 is a perspective view showing the vertical angle adjusting member 130 with the holding member 110 removed from the book holding device 100. In FIG. 7, the movable adjustment member 131 and the fixed adjustment member 133 constituting the vertical angle adjustment member 130 are shown separately. The movable adjustment member 131 is disposed at a predetermined position on the fixed adjustment member 133. The movable adjustment member 131 is rotatable in a predetermined direction with respect to the fixed adjustment member 133.

  The movable adjustment member 131 has removed the columnar space A131a having a trapezoidal cross section from the columnar body S131 and the columnar space A131b having a circular arc shape formed continuously from the top bottom of the trapezoidal cross section of the prismatic space A131a. It has a three-dimensional shape. In addition, the movable adjustment member 131 has a fixing member receiving recess 131a for the holding member 110 on the holding member arrangement surface F130 formed by removing the prismatic portion S3. The fixing member 117 of the holding member 110 is disposed in the fixing member receiving recess 131a. Thereby, the holding member 110 is fixed to the movable adjustment member 131.

  The fixed adjustment member 133 has a shape obtained by removing the trapezoidal prism-shaped body S133 having a trapezoidal cross section and the concave movable adjustment member arrangement space A133 along the cylindrical outer surface of the movable adjustment member 131. Thereby, the movable adjustment member 131 can be disposed on the fixed adjustment member 133.

Note that serrated irregularities are regularly formed on the hemispherical surface F133 of the fixed adjustment member 133 forming the movable adjustment member arrangement space A133 and the side surface F131 of the corresponding movable adjustment member 131. By adjusting the engagement of both concaves and convexes and rotating the movable adjustment member 131 in the directions of arrows a131 and a133 with respect to the fixed adjustment member 133, the vertical angle of the movable adjustment member 131 with respect to the fixed adjustment member 133 is adjusted. Can do. Thereby, the user of the book holding apparatus 100 can freely and easily adjust the vertical angle of the book B.

Second function

  The function of the book holding device 100, particularly the holding member 110, will be described. A state in which a book is placed on the holding member 110 is shown in FIGS. FIG. 5 shows a perspective view of the holding member 110 in a state where the book is held in the opened state. FIG. 6 shows a left side view of the holding member 110 in a state where a book is placed. FIG. 7 shows a plan view of the holding member 110 in a state where a book is placed. In FIG. 7, regarding the book B, only the cover BF of the book B and the page BP on the front surface of the book B in an opened state are shown.

  As shown in FIG. 5, the book B is placed obliquely with respect to the holding member 110. Thus, by arranging the book B obliquely, the user of the book holding device 100 can easily read the book B. In this case, as shown in FIG. 6, the spine BS of the book B is supported at a back support position P <b> 115 where the upper end of the spine BS is in contact with the back support member 115.

  Further, as shown in FIG. 7, the cover BFL on the left side of the book B (see also FIG. 5) has the bottom portion of the horizontal arm portion 111 a of the left holding member 111, specifically, the horizontal arm portion 111 a. It is supported at the left book bottom support position P111a in contact with the inner side portion 111a1. Similarly, the cover BFR on the right side of the book B is supported at the right book bottom support position P113a. The left book bottom support position P111a and the right book bottom support position P113a are positioned to be opened to the left and right with respect to the center rotation axis J110.

  As shown in FIG. 6, the back support position P115 is located closer to the central rotation axis J110 than the left book bottom support position P111a.

  As shown in FIG. 6, the holding member 110 has a book bottom portion arrangement space A110 formed below the left book bottom portion support position P111a and on the central axis J100 side. In the book bottom arrangement space A110, a part of the lower part on the spine BS side of the book B arranged obliquely on the holding member 110 is arranged. Further, the book B is stably and obliquely placed on the holding member 110 by the three points of the left book bottom support position P111a, the right book bottom support position P113a, and the back support position P115.

  As shown in FIG. 7, the page BPL on the left side of the surface of the book B is brought into contact with the left page contact position P111c of the page holding unit 111c. Similarly, the page BPR on the right side of the surface of the book B is brought into contact at the right page contact position P113c. As described above, the book holding device 100 holds the left side of the book B at the left book bottom support position P111a and the left page contact position P111c, and similarly, at the right book bottom support position P113a and the right page contact position P113c. The right side of the book B is pinched. Thereby, the book holding device 100 can support the book B in an opened state. It is placed obliquely with respect to the holding member 110.

  Further, the left page contact position P111c is located on the side different from the central axis J100 side with respect to the left book bottom support position P111a. The same applies to the right page contact position P113c.

  As shown in FIG. 7, the left page of book B (including left cover BFL and front left page BPL) is held between left book bottom support position P111a and left page contact position P111c. To hold the book B open. The same applies to the page on the right side of book B.

By rotating the left holding member 111 and adjusting the oblique arrangement angle of the book B and adjusting the left book bottom support position P111a and the left page contact position P111c as necessary, the thickness of the book, Regardless of the closing force of the book, the book holding device 100 can hold the book in an open state. That is, the book holding device 100 opens the book B at an appropriate opening angle that matches the thickness of the book B, and at a desired angle of the user, for example, a natural opening angle when the book is held in the hand. It can be kept in the state. By making the book B open at an appropriate opening angle, the contact between the left and right page pressing portions 111c1 and 113c1 and the front page of the book is weakened, and the page can be turned smoothly. Further, when turning the page, it is not necessary to move the page holding portions 111c and 113c that are in contact with the page BPL on the left side of the front surface and the page BPR on the right side of the front surface, so that the page can be easily turned.

  In the book holding apparatus 100 according to the first embodiment described above, the arrangement positions of the page pressing portions 111c1 and 113c1 are fixed. On the other hand, the book holding apparatus 200 according to the present embodiment can move the arrangement positions of the page pressing members 211c1 and 213c1. Thus, the book can be held in a desired open state regardless of the thickness and size of the book to be arranged and ease of opening. Hereinafter, the book holding apparatus 200 will be described.

1st structure The whole structure of the book holding | maintenance apparatus 200 is demonstrated using FIG. The book holding device 200 includes a holding member 210 and a vertical angle adjusting member 230. The holding member 210 is for holding the book in a spread state. The vertical angle adjusting member 230 adjusts the vertical angle of the book placed on the holding member 210. Hereinafter, the configuration of the holding member 210 and the vertical angle adjusting member 230 will be described.

1. Configuration of Holding Member 210 The configuration of the holding member 210 will be described with reference to an exploded perspective view shown in FIG. As shown in FIG. 9, the holding member 210 includes a left holding member 211, a right holding member 213, a back support member 215, and a fixing member 217.

  The left holding member 211, the right holding member 213, and the back support member 215 are integrally assembled using the fixing member 217. The left holding member 211 has a horizontal arm portion 211a, an annular shaft portion 211b, and a page holding portion 211c. The horizontal arm portion 211a has a prismatic shape with a predetermined length. The horizontal arm portion 211a has an annular shaft portion 211b at one end and a page holding portion 211c at a different end. The annular shaft portion 211b has an annular structure having a fixing member insertion hole 211b1 at the center.

  The page holding part 211c has a page pressing member 211c1 and a page pressing arrangement hole 211c3. The page pressing member 211c1 has a cylindrical shape. A plurality of page holding holes 211c3 are arranged on a straight line along the upper surface of the horizontal arm portion 211a. The page pressing member 211c1 is inserted into the page pressing arrangement hole 211c3. Note that the page pressing member 211c1 protrudes upward from the horizontal arm portion 211a when inserted into the page pressing arrangement hole 211c3. The page pressing member 211c1 abuts on the opened page of the book placed on the holding member 110 in the opened state, and maintains the opened state of the placed book. In addition, since the cylindrical surface of the page pressing member 211c1 is formed by a smooth curved surface, it is possible to easily insert and remove pages when turning pages. The placement position of the page pressing member 211c1 can be changed by inserting it into a desired one of the plurality of page pressing placement holes 211c3. Thus, the book can be held in a desired open state regardless of the thickness and size of the book to be arranged and ease of opening. The same applies to the right holding member 213 (see FIG. 10).

  The back support member 215 has a columnar shape with a semicircular cross section having a partially cutout. The back support member 215 has a columnar back arrangement space A215 having a circular arc shape in which a circular arc and both ends thereof are connected by a straight line from a position at a predetermined height toward the upper end. By forming the back arrangement space A215, the book is inclined and easily supported. The back support member 215 has a fixing member receiving recess (not shown) formed to have a predetermined length from the bottom to the inside vertically. The inner surface of the fixing member receiving recess is threaded and functions as a female screw.

The fixing member 217 has a screw part 217a and a head part 217b. The screw part 217a is threaded and functions as a male screw. The screw portion 217 a is a fixing member receiving recess formed on the bottom surface of the back support member 215 after being inserted into the fixing member insertion hole 211 b 1 of the left holding member 211 and the fixing member insertion hole 213 b 1 of the right holding member 213. Threaded onto. Thereby, the left holding member 211, the right holding member 213, and the back support member 215 are integrated. Further, the left holding member 211 and the right holding member 213 rotate between the movable ranges R211 and R213, respectively, about the central rotation axis J210 of the fixed member 217.

2. Vertical angle adjustment member 230
The vertical angle adjusting member 230 will be described using the book holding device 200 shown in FIG. FIG. 10 shows a state in which the book holding device 200 shown in FIG. 9 is viewed from the back side of the back support member 215.

  The vertical angle adjusting member 230 includes a movable adjusting member 231, a fixed adjusting member 233, and an angle fixing member 235. The movable adjustment member 231 is fixed to the back surface of the back support member 215. The movable adjustment member 231 includes a cylindrical rotation shaft portion 231 a and a prismatic fixing portion 231 b that fixes the rotation shaft portion 231 a to the back support member 215. The fixing portion 231 b is inserted into a fixing portion insertion port (not shown) formed on the back surface of the back support member 215, and fixes the movable adjustment member 231 to the back support member 215. The rotating shaft portion 231a and the fixed portion 231b are integrally formed.

  The fixed adjustment member 233 includes a base portion 233 a having a fan-shaped flat plate shape and a bearing portion 233 b that receives the rotation shaft portion 231 a of the movable adjustment member 231. The base portion 233a includes the movable range of the left holding member 211 and the right holding member 213.

  The bearing part 233b is formed on the base part 233a. The internal structure of the bearing portion 233b will be described with reference to a sectional view of the fixing adjustment member 233 shown in FIG. FIG. 11 shows a cross section of the fixing adjustment member 233 along the plane F in FIG. The bearing portion 233b has a rotation shaft receiving space S233b1, a fixed portion movable space S233b3, and an angle fixing member insertion hole S233b5 therein. The rotation shaft receiving space S233b1, the fixed portion movable space S233b3, and the fixing member insertion hole S233b5 are formed continuously to form an integral space.

  FIG. 12 shows a YY cross section in FIG. As shown in FIGS. 11 and 12, the rotation shaft receiving space S233b1 is formed by a cylindrical space having substantially the same shape as the rotation shaft portion 231a of the movable adjustment member 231. The rotation shaft receiving space S233b1 stably receives the rotation shaft portion 231a of the movable adjustment member 231. Further, the inner surface of the bearing portion 233b forming the rotation shaft receiving space S233b1 is formed smoothly. As a result, the rotation shaft portion 231a, in turn, the movable adjustment member 231, and further, the holding member 210 that is movable integrally with the movable adjustment member 231 can be smoothly rotated about the vertical rotation axis J231.

  When the holding member 210 rotates, as shown in FIG. 11, the fixed portion 231b that rotates together with the holding member 210 moves in the fixed portion movable space S233b3. The holding member 210 is freely movable in a movable range R210 in the vertical direction. Note that the movable range R210 in the vertical direction of the holding member 210 is limited by the upper surface or the lower surface of the fixed portion 231b coming into contact with the inner surface of the bearing portion 233b forming the fixed portion movable space S233b3.

Returning to FIG. 10, the angle fixing member 235 is inserted into the angle fixing member insertion hole S233b5 of the bearing portion 233b. Note that a part of the angle fixing member 235 is threaded and functions as a male screw, and the inner surface of the bearing portion 233b that forms the angle fixing member insertion hole S233b5 is threaded, and the female screw Function as. The angle fixing member 235 is screwed into the angle fixing member insertion hole S233b5, and the rotary shaft portion 231a of the fixing portion 231b is crimped to the bearing portion 233b, thereby fixing the vertical position of the holding member 210 with respect to the vertical angle adjusting member 230. To do.

Second Function As with the book holding apparatus 100 of the first embodiment, the book holding apparatus 200 has a back support position P115 (see FIG. 6) where the spine cover BS abuts on the back support member 115, left and right cover covers BFL of the book B, The left book bottom support position P111a, the right book bottom support position P113a, the left book bottom support position P111a, and the right book bottom support position P113a, which are in contact with the bottom parts of the RFR (see also FIG. 4), and the center It has a book bottom portion arrangement space A110 (see FIG. 5) formed on the rotating shaft J210 side. Since the function of the book holding device 200 is the same as that of the book holding device 100 of the first embodiment, detailed description thereof is omitted.

  In the book holding device 200 according to the above-described first embodiment, the left holding member 211 and the right holding member 213 are rotated around one central rotation axis J210. On the other hand, in the book holding device 300 according to the present embodiment, the left holding member 311 and the right holding member 313 are rotated about the respective central rotation axes J310l and J310r. Hereinafter, the book holding apparatus 300 will be described. In addition, about the structure similar to Example 2, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

First Configuration The overall configuration of the book holding device 300 will be described with reference to FIG. The book holding device 300 includes a holding member 310 and a vertical angle adjusting member 330. The holding member 310 is for holding a book in a spread state. The vertical angle adjusting member 330 adjusts the vertical angle of the book placed on the holding member 310. Hereinafter, configurations of the holding member 310 and the vertical angle adjusting member 230 will be described.
1. Configuration of Holding Member 310 The configuration of the holding member 310 will be described with reference to an exploded perspective view shown in FIG. As shown in FIG. 14, the holding member 310 includes a left holding member 311, a right holding member 313, a back support member 315, and a fixing member 317.

  The left holding member 311, the right holding member 313, and the back support member 315 are integrally assembled via a fixing member 317. The left holding member 311 has a horizontal arm portion 311a, an annular shaft portion 311b, and a page holding portion 311c. The horizontal arm 311a has a prismatic shape with a predetermined length. The horizontal arm portion 311a has an annular shaft portion 311b at one end and a page holding portion 311c at a different end. The annular shaft portion 311b has a fixing member insertion hole 311b1.

  Since the page holding unit 311c of the left holding member 311 has the same configuration as the page holding unit 211c (see FIG. 9) in the second embodiment, detailed description thereof is omitted. Since the same holds for the right holding member 313, detailed description is omitted (see FIG. 10).

  The back support member 315 has a columnar shape with a square cross section. Unlike the back support member 115 in the first embodiment, the back support member 315 does not have a back arrangement space.

The fixed member 317 includes rotating shaft members 317al and 317ar and a base member 317b. The rotating shaft members 317al and 371ar each have a cylindrical shape. The base member 317b has shaft member insertion holes 317bl and 317br. The shaft member insertion holes 317bl and 317br are formed so that openings are provided in the upper surface of the base member 317b, the surface in contact with the left holding member 311, and the right holding member 313. The rotation shaft member 317al is inserted into the fixing member insertion hole 311b1 of the left holding member 311 and then screwed into a fixing member receiving recess formed on the bottom surface of the back support member 115. Thereby, the back support member 315, the left holding member 311, and the base member 317b are fixed integrally. Further, the left holding member 111 rotates between the movable range R311l around the central rotation axis J310l. The same applies to the right holding member 313. As described above, in the book holding apparatus 300, the left holding member 311 and the right holding member 313 are rotated about the respective central rotation axes J310l and J310r.

2. Vertical angle adjustment member 330
The vertical angle adjusting member 330 includes a movable adjusting member 231, a fixed adjusting member 333, and an angle fixing member 235. The movable adjustment member 231 is fixed to the back surface of the back support member 315.

  The fixed adjustment member 333 includes a base portion 333 a having a rectangular flat plate shape, and a bearing portion 233 b that receives the rotation shaft portion 231 a of the movable adjustment member 231. Unlike the base part 233a in the second embodiment, the base part 333a does not include the movable range of the left holding member 311 and the right holding member 313.

Since the other configuration of the vertical angle adjusting member 330 is the same as that of the vertical angle adjusting member 230 in the second embodiment, detailed description thereof is omitted.

  In the book holding apparatus 200 according to the second embodiment described above, the placement position of the page pressing member 211c1 is moved using the page pressing member 211c1 and the page pressing placement hole 211c3. On the other hand, the book holding device 400 in the present embodiment has a page pressing member 411c1 (described later) that can be slid along a predetermined groove. Thereby, the arrangement position of the page pressing member 411c1 can be easily moved. Hereinafter, the book holding device 400 will be described.

First Configuration The overall configuration of the book holding device 400 will be described with reference to FIG. The book holding device 400 is for holding a book in a spread state. The book holding device 400 includes a left holding member 411, a right holding member 413, a back support member 415, and a fixing member 417.

  The left holding member 411, the right holding member 413, and the fixing member 417 are integrally assembled. The back support member 415 is rotatably attached to the fixing member 417. The left holding member 411 includes a horizontal arm portion 411a, an annular shaft portion 411b, a page holding portion 411c, and an angle forming portion 411d. The horizontal arm 411a has a prismatic shape with a predetermined length. The annular shaft portion 411b has an annular structure. The horizontal arm portion 411a has an annular shaft portion 411b at one end and a page holding portion 411c at a different end.

  FIG. 18 shows a vertical cross section in the vicinity of the annular shaft portion 411b in FIG. In FIG. 18, each member is shown in an exploded manner. The annular shaft portion 411b of the left holding member 411 has a fixing member insertion hole 411b1 at the center.

  Returning to FIG. 17, the page holding portion 411c has a page pressing member 411c1, a page pressing arrangement groove 411c3, and a pressing fixing member 411c5 (not shown: described later). The page pressing member 411c1 has a stepped column shape formed by overlapping two columns having different bottom surface radii. FIG. 19 shows a cross section of the page holding portion 411c along the page presser placement groove 411c3 when the page presser member 411c1 is positioned at the end of the page presser placement groove 411c3 on the angle forming member 411d side. The page pressing member 411c1 has a pressing fixing member insertion hole H411c1 that is formed vertically upward from the bottom surface. The inner peripheral surface of the presser fixing member insertion hole H411c1 is threaded. The page pressing member 411c1 is disposed such that the bottom surface is along the top surface of the horizontal arm portion 411a.

  Returning to FIG. 17, the page pressing and arranging groove 411c3 is formed on an end side different from the end side where the annular shaft portion 411b of the horizontal arm portion 211a is arranged. FIG. 20 is a view showing a cross section of the page pressing member 411c1 perpendicular to the page pressing arrangement groove 411c3. A vertical section is shown. As shown in FIG. 20, the page pressing and arranging groove 411c3 is formed as a through hole with respect to the horizontal arm portion 211a. The page pressing and arranging groove 411c3 includes two grooves having different horizontal lengths, an upper groove U411c3 and a lower groove B411c3. The upper groove U411c3 opens on the upper surface of the horizontal arm member 411a, and the lower groove B411c3 opens on the lower surface of the horizontal arm member 411a.

  As shown in FIG. 20, the pressing and fixing member 411c5 is disposed in the lower groove B411c3 of the page pressing and arranging groove 411c3. The page press fixing member 411c5 includes a head portion T411c5 disposed in the lower groove D411c3 and a shaft portion J411c5 disposed in the upper groove U411c3. The outer peripheral surface of the shaft portion J411c5 of the page press fixing member 411c5 is threaded. One end of the shaft portion J411c5 of the page presser fixing member 411c5 is screwed into the fixing member insertion hole H411c1 of the page presser member 411c1, so that the horizontal arm is formed by the head portion T411c5 of the page presser fixing member 411c5 and the page presser member 411c1. The page pressing member 411c1 is fixed by pressing the portion 411a. Further, the page pressing member 411c1 can be easily fixed at a desired position by moving the page pressing member 411c1 with respect to the horizontal portion 411a.

  The page pressing member 411c1 is in contact with the opened page of the book placed on the book holding device 400 in the opened state, and maintains the opened state of the placed book. In addition, since the cylindrical surface of the page pressing member 411c1 is formed by a smooth curved surface, it is possible to easily insert and remove pages accompanying page turning. The page pressing member 411c1 can change the arrangement position to a desired position. Thereby, it can adjust easily so that a book may be hold | maintained in the desired open state irrespective of the thickness of a book to arrange | position, a magnitude | size, and the ease of opening. The same applies to the right holding member 413 (see FIG. 17).

  The angle adjusting member 411d is disposed on the opposite end to the page pressing member 411c1 at an end different from the end where the annular shaft portion 411b of the horizontal arm portion 211a is disposed. The angle adjusting member 411d has a height higher than that of the lower fixing member 417b of the fixing member 417. Thereby, the horizontal arm part 211a can be arrange | positioned so that it may incline downward toward the edge part in which the axial part 411b is arrange | positioned from the edge part in which the angle adjustment member 411d is arrange | positioned.

  As shown in FIG. 17, the back support member 415 includes a back support member main body 415a and a back fixing member 415b. The back support member main body 415a has a columnar shape with a semicircular cross section having a space inside. The back support member main body 415a has a columnar back arrangement space A415 formed as an internal space having a semicircular cross section. By forming the back arrangement space A415, the book is inclined and easily supported. The back support member main body 415a is rotatably attached to an upper fixing member 417c (described later) of the fixing member 417 by a back fixing member 415b. The two back fixing members 415 b are arranged on the right and left sides perpendicular to the center plane of the book holding device 400. The rotation shaft of the back support member main body 415a is formed by the two back fixing members 415b. The back support member main body 415a can be rotated in the direction in which the left holding member 411 and the right holding member 413 are located, and is rotated to a predetermined angle, thereby supporting the back of the book at the tip of the back support member main body 415a. can do. At this time, the angle of the book to be supported can be adjusted by adjusting the angle at which the back support member main body 415a is rotated. It is possible to store the book holding device 400 that rotates to a compact size. FIG. 21 shows the book holding device 400 in a state where the back support member main body 415a is rotated to a predetermined angle. FIG. 21A shows a state where the book is supported by the book holding device 400 in a state where the back support member main body 415a is rotated to a predetermined angle.

  As shown in FIG. 17, the fixing member 417 includes a shaft portion 417a (not shown: see FIG. 18), a lower fixing member 417b, and an upper fixing member 417c. As shown in FIG. 18, the shaft portion 417a is fixed to the lower fixing member 417b and then inserted into the fixing member insertion hole 411b1 of the left holding member 411 and the fixing member insertion hole 413b1 of the right holding member 413. And fixed to the upper fixing member 471c. Accordingly, the left holding member 411 and the right holding member 413 are fixed to the upper fixing member 417c of the fixing member 417 so as to be rotatable. As shown in FIG. 17, the left holding member 411 and the right holding member 213 rotate between the movable ranges R411 and R413 around the central rotation axis J410 of the fixed member 417, respectively. By closing the left holding member 411 and the right holding member 413, the book holding device 400 can be stored compactly. Furthermore, by rotating the back support member main body 415a in the direction in which the left holding member 411 and the right holding member 413 are located, the book holding device 400 can be further compactly stored. FIG. 22 shows the book holding device 400 in a state in which the left holding member 411 and the right holding member 413 are closed and the back support member main body 415a is folded.

23, 24, and FIG. 23 are a left family view, a right side view, a front view, a rear view, a plan view, and a bottom view, respectively, of the book holding device 400 with the left holding member 411 and the right holding member 413 closed. 25, 26, 27, and 28. Further, the left family view, right side view, front view, rear view, plan view, and bottom view of the book holding device 400 with the left holding member 411 and the right holding member 413 opened are shown in FIGS. 29 and 30, respectively. 31, 32, 33, and 34.

Second Function The book holding device 400 is similar to the book holding device 100 of the first embodiment in that the back cover BS is in contact with the back support member 415 (see FIG. 6), the left and right covers BFL of the book B, The left book bottom support position P111a, the right book bottom support position P113a, the left book bottom support position P111a, and the right book bottom support position P113a, which are in contact with the bottom parts of the RFR (see also FIG. 4), and the center It has a book bottom portion arrangement space A110 (see FIG. 5) formed on the rotating shaft J210 side. The function of the book holding device 400 is the same as that of the book holding device 100 of the first embodiment, and thus detailed description thereof is omitted.

[Other Examples]
(1) Position of the back support position: In the book holding apparatus 100 in the above-described first embodiment, the back support member 115 is the back cover BS of the book B, and the upper end portion of the spine cover BS is in contact with the back support member 115. Although it is supported at the support position P115, the position is not limited to the example as long as it is a position that supports the spine BS of the book B. For example, the length of the back support member 115 may be approximately halved, and the upper end of the back support portion may be the back support position to support the middle of the back cover BS. The same applies to the book holding device 200 in the second embodiment and the book holding device 300 in the third embodiment. The same applies to the book holding device 400 according to the fourth embodiment.

(2) Shape of the horizontal arm portions 111a and 113a: In the above-described first embodiment, the horizontal arm portion 111a of the left holding member 111 and the horizontal arm portion 113a of the right holding member 113 have a prismatic shape having a predetermined length. However, the shape is not limited to the illustrated example as long as the bottom of the book B can be supported. For example, it may be a polygonal column shape, an elliptical shape, or a predetermined curved surface shape. The same applies to other embodiments.

(3) Center rotation axis J110: In the book holding apparatus 100 in the above-described first embodiment, the left holding member 111 and the right holding member 113 are movable ranges R111 and R113, respectively, around one center rotation axis J110. However, the left holding member 111 and the right holding member 113 may be rotated about a single rotation axis as in the book holding device 300 of the third embodiment. The same applies to the book holding device 200 in the embodiment. The same applies to the book holding device 400 according to the fourth embodiment.

  Further, in the book holding device 300 according to the third embodiment, the left holding member 311 and the right holding member 313 are rotated about one rotation axis as in the book holding device 100 according to the first embodiment. Also good.

(4) Structure of the page pressing portion: In the book holding device 100 in the above-described first embodiment, the fixed page pressing portions 111c1 and 113c1 are arranged on the left holding member 111 and the right holding member 113, respectively. Similarly to the book holding device 200 in the second embodiment, a movable page pressing portion may be formed.

  Further, in the book holding apparatus 200 in the above-described second embodiment, the movable page pressing members 211c1 and 213c1 are arranged in the left holding member 211 and the right holding member 213, respectively. Similarly to the apparatus 100, a fixed page pressing portion may be formed. The same applies to the book holding device 300 according to the third embodiment.

  Further, in the book holding device 200 in the above-described second embodiment, the page pressing member 211c1 and the page pressing arrangement hole 211c3 are used to move the arrangement position of the page pressing member 211c1, but the arrangement position of the page pressing member 211c1 is also described. If it is a structure which can move, it will not be limited to the thing of an illustration. For example, the page pressing member 211c1 may be slid along a predetermined groove. The same applies to the book holding device 300 according to the third embodiment.

(5) Vertical angle fixing method: In the book holding apparatus 200 in the above-described second embodiment, the angle fixing member 235 is screwed into the angle fixing member insertion hole S233b5, and the rotation shaft portion 231a of the fixing portion 231b is moved to the bearing portion. Although the vertical position of the holding member 210 with respect to the vertical angle adjusting member 230 is fixed by crimping to the 233b, predetermined irregularities are further formed on the rotating shaft portion 231a and the bearing portion 233b so that both are engaged. May be. The same applies to the book holding device 300 according to the third embodiment.

  For the book holding device 400 of the fourth embodiment, the vertical angle may be adjusted as in the other embodiments.

(6) Rotation of the back support member 415: In the book holding device 400 in the above-described fourth embodiment, the back support member 415 rotates and the book holding device 400 can be stored compactly, but the back support member 415 is rotated. Instead, they may be fixedly formed. On the other hand, the back support member may be rotated in other embodiments.

The present invention can be used as a book stand that holds a book in an open state.

DESCRIPTION OF SYMBOLS 100 Book holding device 110 Holding member 111 Left holding member 111a Horizontal arm part 111a1 Side part 111b Annular shaft part 111b1 Fixing member insertion hole 111c Page holding part 111c1 Page pressing part 113 Right holding member 113a Horizontal arm part 113b1 Fixing member insertion hole 115 Back support member 117 Fixing member 117a Screw portion 117b Head portion 130 Vertical angle adjustment member 131 Movable adjustment member 131a Fixing member receiving recess 133 Fixing adjustment member 200 Book holding device 210 Holding member 211 Left holding member 211a Horizontal arm portion 211b Annular shaft portion 211b1 fixing member insertion hole 211c page holding portion 211c1 page pressing member 211c3 arrangement hole 213 right holding member 213b1 fixing member insertion hole 215 back support member 217 fixing member 217a screw portion 217b Part 230 Vertical angle adjustment member 231 Movable adjustment member 231a Rotating shaft part 231b Fixed part 233 Fixed adjustment member 233a Base part 233b Bearing part 235 Angle fixing member 300 Book holding device 310 Holding member 311 Left holding member 311a Horizontal arm part 311b Annular shaft part 311b1 fixing member insertion hole 311c page holding portion 313 right holding member 315 back support member 317 fixing member 317al rotation shaft member 317b base member 317bl shaft member insertion hole 330 vertical angle adjustment member 333 fixing adjustment member 333a base portion 400 book holding device 411 Left holding member 411a Horizontal arm portion 411b Annular shaft portion 411b1 Fixing member insertion hole 411c Page holding portion 411c1 Page pressing member 411c3 Page pressing arrangement groove U411c3 Upper groove B411c3 Lower groove 41 c5 holding fixing member T411c5 head J411c5 shaft portion 411d angle adjustment portion 413 right holding member 415 back support member 415a back support member main body 415b back fixing member 417 fixing member 417a shaft portion 417b upper fixing member 417c lower side fixing member J110 A110 Book bottom placement space A115 Back placement space A133 Movable adjustment member placement space P111a Left book bottom support position P111c Left page contact position P113a Right book bottom support position P113c Right page contact position P115 Back support position J210 Center rotation axis A215 Back placement Space S233b1 Rotation axis receiving space S233b3 Fixed portion movable space S233b5 Angle fixing member insertion hole S233b5 Fixed member insertion hole J231 Vertical rotation axis J310l Center rotation axis J310r Center rotation axis J410 Center rotation axis A415 Back placement space

Claims (5)

A book holding device that holds a book in an open state,
The book holding device is:
A book back support member for supporting the back of the book in an open state at a back support position;
A book bottom support part that supports the bottom of each of the left and right covers of the book in an open state at a book bottom support position, the book bottom support part being opened to the left and right with respect to a predetermined rotation axis;
A book bottom portion arrangement space formed below the book bottom portion support position,
A page holding unit that contacts the left and right pages of the book at a page contact position and holds the book in an open state;
Have
The book bottom support position is:
Located on the side of the inside of the book bottom support, which is located open to the left and right with respect to the rotation axis, and opened to the left and right,
The book bottom arrangement space is:
Including a portion of the lower back of the book,
The back support position is
Located on the rotating shaft side of the book bottom support position,
The left and right page contact positions are
With respect to the corresponding left and right book bottom support positions, located on the side different from the rotating shaft side,
The book bottom support part is:
Pivotable about the axis of rotation;
The page holding unit is
Formed at the end of the book bottom support portion on the side different from the rotation shaft side,
A page pressing member having a stepped cylinder shape formed by overlapping two cylinders having different base radii, wherein the cylinder having a large radius is located in the upper stage, and the bottom surface of the cylinder having a small radius supports the bottom of the book Having a page pressing member arranged along the upper surface of the section ,
A book holding device. The book holding device according to claim 1,
The page holding unit is
Being movable,
A book holding device. The book holding apparatus according to claim 1 or 2, further comprising:
A vertical angle adjusting member that rotates the back support position, the left and right book bottom support positions, and the left and right page contact positions in the vertical direction about a vertical rotation axis that is a vertical rotation axis;
A book holding device. In the book holding device according to claim 3,
The vertical angle adjusting member is
Fixing the back support position after rotating in the vertical direction, the left and right book bottom support positions, and the left and right page contact positions by engaging predetermined irregularities;
A book holding device. The book holding apparatus according to any one of claims 1 to 4 , further comprising:
The book back support member is:
Being rotatable to the direction side in which the book bottom support is located;
A book holding device.

Images