JP6068076B2 - Chair equipment - Google Patents

Description

  The present invention relates to a chair device.

  Conventionally, for example, in a space where a large number of users are seated such as aircraft seats and theater seats, a plurality of chairs on which the users are seated are adjacent in the left-right direction and spaced apart in the front-rear direction. ing. Here, among the chairs arranged in the front-rear direction, the front chair may be provided with an electronic device such as a rear-facing monitor on the back. As a result, the user sitting on the chair in the back can enjoy watching the images of movies, games, etc. projected on the monitor.

As a chair provided with a monitor as the above electronic device, when not in use, the monitor is mounted so as to fit in a recess provided on the back of the front chair, and when used, the monitor is rotated around the horizontal axis. A device that can be set to a preferred angle of a user sitting on a chair in the back by moving the monitor forward and tilting the monitor has been proposed (see Patent Document 1 below).
Moreover, as an aspect when not in use, there is one in which a monitor is mounted inside a holding frame having a four-sided frame shape provided on the back of a front chair (see Patent Document 2 below).

  Moreover, as a chair provided with a radio cassette tape recorder as the electronic device, a radio cassette tape recorder attached to a recess provided in the back of the front chair, and a connection line connected to the radio cassette tape recorder. Some have headphones. In such a chair, a user sitting in the back can enjoy listening to sounds such as music from headphones (see Patent Document 3 below).

  Furthermore, as a chair provided with the above electronic device, there is a chair provided with a plug receiver together with a monitor on the back of the front chair. In such a configuration, by inserting an insertion plug connected to the monitor into the plug receptacle, it is possible to supply power to the monitor and display an image or the like on the monitor.

Japanese Utility Model Publication No. 64-7845 Japanese Utility Model Publication No. 2-10676 Japanese Utility Model Publication No. 64-10255

  However, in the chair provided with the monitor described in Patent Documents 1 and 2, the monitor cannot be removed from the chair in front, so that the image cannot be seen at the user's favorite position. Therefore, for example, it is not preferable for a user with poor visual acuity because the distance to the monitor may be far and difficult to see.

  In addition, since the monitor protrudes backward from the back of the chair at least in use, the passage width between the rear chair and the front chair is narrow, which is inconvenient when passing, and as an emergency escape passage There is also a problem that the passage width cannot be secured effectively.

  Moreover, in the chair provided with the radio cassette tape recorder described in Patent Document 3, a lead wire for power supply straddles the passage space between the front chair and the user seated in the rear, and the passage space For those who pass, there is also the problem that the lead wire gets in the way.

  In addition, in a chair provided with a plug receptacle on the back side, in order to supply power to the monitor, an insertion plug must be inserted into the plug receptacle, which is troublesome and troublesome.

  The present invention has been made in view of the above circumstances, and provides a chair device capable of removing a monitor and securing a passage width and supplying power to the monitor. To do.

In order to achieve the above object, the present invention employs the following means.
That is, the chair device according to the present invention is a chair device that is disposed apart from each other in the front-rear direction, the chair, the monitor disposed on the rear surface of the chair facing the other chair behind, and the monitor Detachably attached to the rear surface of the chair, and mounting means for supplying power to the monitor from the rear surface of the chair in a state where the monitor is attached , the mounting means comprising a base provided on the chair And a joint part that is detachably provided on the base part and rotatably supports the monitor. The base part and the joint part are configured to be detachable by magnetic force, and the base part Alternatively, one of the joint portions is formed with a recess extending toward the rotation axis direction of the monitor, and the other of the base portion or the joint portion has the recess. At the corresponding position, a protrusion that protrudes toward one side of the base part or the joint part and extends in the direction of the rotation axis and that can be fitted into the recess is formed. Indicates that the recess size gradually decreases from the central portion of the extended length toward both sides, and that the projecting portion of the projecting portion gradually decreases from the central portion of the extended length toward both sides. Features.

In such a chair device, the monitor can be detached from the chair because it can be attached and removed by the attaching means, and power can be supplied so that power can be supplied to the monitor and information such as images can be supplied to the monitor. Can be displayed.
Moreover, since the monitor is provided integrally with the joint part so as to be detachable from the base part provided on the chair, the monitor can be detached from the chair.
Moreover, since the monitor can be rotated with respect to the chair via the joint portion, the angle of the monitor can be adjusted according to the user's preference.
Further, the joint portion can be attracted to the base portion provided on the chair by magnetic force and can be separated by magnetic force. Therefore, the monitor can be easily fixed to the chair via the joint portion, and the monitor can be easily detached from the chair.
Moreover, since the base part and the joint part are fitted in the recess and the protruding part, it is difficult to remove the base part and the joint part even if a force is applied in a direction in which the base part and the joint part face each other. Therefore, even if the user applies a force to the monitor in the opposite direction and rotates the monitor, the monitor does not fall from the chair.
On the other hand, since the recess and the projecting portion are formed so that the recess size and the projecting size decrease as it goes to both sides of each extending direction, it can be easily removed along the rotation axis direction of the monitor. Can do.

  Moreover, it is preferable that the chair apparatus which concerns on this invention is comprised so that the said chair may ensure a user's passage space in the state which removed the said monitor between the said other chairs.

  In such a chair device, the chair disposed behind the monitor in a state where the monitor is removed is configured to secure a user's passage space between the chair disposed in front and the passage width. Is secured, and the user can pass without hindrance.

  In the chair device according to the present invention, a convex portion is provided on one side of the base portion and the joint portion, and a concave portion is provided on the other side of the base portion and the joint portion. The joint part may be detachable by fitting the convex part and the concave part.

  In such a chair device, the joint portion can be attached to the base portion provided in the chair by fitting the convex portion and the concave portion, and the joint portion can be detached from the base portion by removing the fitting. Therefore, the monitor can be easily fixed to the chair via the joint portion, and the monitor can be easily detached from the chair.

  Moreover, the chair apparatus which concerns on this invention WHEREIN: The said base part and the said joint part may be made detachable by the said recessed part elastically deforming.

  In such a chair device, the concave portion is elastically deformed, whereby the convex portion can be reliably fitted to the concave portion and can be easily removed from the fitted state. Therefore, the monitor can be securely fixed by the chair, and the monitor can be more easily detached from the chair.

  In the chair device according to the present invention, a support portion that supports the base portion of the convex portion is provided on the one side, and a holding portion that holds the support portion is provided on the other side. The part and the joint part may be detachable by the elastic deformation of the clamping part.

  In such a chair device, the sandwiching portion is elastically deformed, so that the support portion can be securely sandwiched by the sandwiching portion and can be easily removed from the sandwiched state. Therefore, the monitor can be securely fixed by the chair, and the monitor can be more easily detached from the chair.

  Further, in the chair device according to the present invention, the base portion is provided with a first N-pole suction portion, and a first S-pole suction portion is provided at a position separated from the first N-pole suction portion, The joint portion is provided with a second S pole adsorption portion at a position corresponding to the first N pole adsorption portion, and a second N pole adsorption portion is provided at a position corresponding to the first S pole adsorption portion. May be.

  In such a chair device, the first N pole adsorption part of the base part and the second S pole adsorption part of the joint part are adsorbed, and the first N pole adsorption part of the base part and the second N pole adsorption of the joint part. The part is adsorbed. Therefore, since the joint portion is attached to the base portion at a predetermined position, the monitor supported by the joint portion is attached to the predetermined position with respect to the chair provided with the base portion.

  In the chair device according to the present invention, one surface fastener constituting member is provided on one side of the base portion and the joint portion, and the other surface fastener constituting member is provided on the other side of the base portion and the joint portion. The base part and the joint part may be detachable by fastening the one surface fastener constituent member and the other fastener constituent member.

  In such a chair device, the joint portion can be attached to the base portion provided in the chair and the joint portion can be detached from the base portion by fastening the one surface fastener constituting member and the other surface fastener constituting member. . Therefore, the monitor can be easily fixed to the chair via the joint portion, and the monitor can be easily detached from the chair.

  Moreover, the chair apparatus which concerns on this invention WHEREIN: The said monitor may have a display main body which displays information, and a protection part which protects this display main body.

  In such a chair device, even when the monitor falls off the chair, the display main body of the monitor is protected by the protective portion, so that there is no possibility that the monitor is damaged and breaks down.

  According to the chair device of the present invention, since the monitor is detachable, the monitor can be detached and the passage width can be secured, and power can be supplied to the monitor.

It is a side view in the state where a chair device concerning the first reference example of the present invention was provided in a plurality of rows in the front-rear direction on the substantially level floor. It is a rear view of the chair apparatus which concerns on the 1st reference example of this invention. It is a perspective view of the chair apparatus concerning the first reference example of the present invention. It is a perspective view which shows the state which removed the monitor which comprises the chair apparatus which concerns on one reference example of this invention. It is a perspective view which shows the state which attached the monitor which comprises the chair apparatus which concerns on one reference example of this invention. It is a perspective view which shows the state which removed the monitor which comprises the chair apparatus which concerns on the 2nd reference example of this invention. It is a perspective view which shows the state which removed the monitor which comprises the chair apparatus which concerns on the 3rd reference example of this invention. It is the (a) perspective view which shows the state which removed the monitor which comprises the chair apparatus which concerns on the 4th reference example of this invention, (b) The expansion perspective view of a base part, (c) The expansion perspective view of a joint part. The state which removed the monitor which comprises the chair apparatus which concerns on the 5th reference example of this invention, (a) Perspective view, (b) The expansion perspective view of a joint part, (c) The expanded sectional view of the joint part which concerns on a modification It is. It is a perspective view which shows the state which removed the monitor which comprises the chair apparatus which concerns on the 6th reference example of this invention. It is a perspective view which shows the state which removed the monitor which comprises the chair apparatus which concerns on the 7th reference example of this invention. It is a side view of the chair device concerning a first embodiment of the present invention. It is a front view of the base part which constitutes the chair device concerning a first embodiment of the present invention. It is a front view of a monitor which constitutes a chair device concerning a first embodiment of the present invention. It is one side view of a monitor which constitutes a chair device concerning a first embodiment of the present invention. It is another side view of the monitor which comprises the chair apparatus which concerns on 1st embodiment of this invention. It is a schematic diagram which shows the internal structure of the joint part which comprises the chair apparatus which concerns on 1st embodiment of this invention. It is a schematic diagram which shows an internal structure when the joint part which comprises the chair apparatus which concerns on 1st embodiment of this invention is attached to a base part. It is a longitudinal cross-sectional view in the state in which the chair apparatus which concerns on the modification of the 1st reference example of this invention was provided in multiple rows in the front-back direction on the floor formed in the step shape.

(First reference example )
(Chair device)
The chair device according to the first reference example of the present invention will be described below.
FIG. 1 is a side view of a state where a plurality of chair devices are provided in a facility such as a theater or a movie theater, for example.
As shown in FIG. 1, the chair device 2 is provided behind the curtain plate member 3, allows the user X to sit, a monitor 50 for displaying information, and the monitor 50 to the chair 1. And mounting means 5 for mounting. Further, a plurality of chair devices 2 are arranged apart from each other in the front-rear direction.
Here, in a state in which the user X is seated on the chair 1, the side facing the front of the user X (the left side of the page shown in FIG. 1) is the front side, and the opposite side (the right side of the page shown in FIG. 1) is the rear side. . Similarly, in the state where the user X is seated on the chair 1, the right side of the user X (the back side in the depth direction of the paper shown in FIG. 1) is the right side, and the left side of the user X (the front side in the depth direction of the paper surface shown in FIG. 1). ) On the left side.

(Curtain plate member)
The curtain plate member 3 is a plate-like member extending in the left-right direction, and its lower end is fixed to the floor F. A monitor 50 identical to the monitor 50 provided on the chair 1, which will be described later in detail, is attached to the rear surface 3 </ b> A of the curtain plate member 3 by attachment means 5.

(Chair)
The chair 1 is disposed behind the curtain plate member 3 fixed to the floor F which is substantially horizontal over substantially the entire region and having a predetermined interval. Here, behind the curtain plate member 3, a plurality of chairs 1 (not shown; the same applies hereinafter) arranged in the left-right direction are arranged in the first row (A row shown in FIG. 1) fixed to the floor F. . Further, a plurality of chairs 1 in the second row (B row shown in FIG. 1) are arranged in the left-right direction behind the chair A in the A row with a predetermined distance. A plurality of rows of chairs 1 are arranged continuously in the front-rear direction.
The chair 1 includes a support portion (not shown; the same applies hereinafter) fixed to the floor F, a seat portion 20 supported by the support portion, a pair of left and right armrest portions 30, and a back erected from the support portion. And a plate portion 40. In addition, a monitor 50 for projecting an image or the like is provided on the rear surface 1G of the chair 1.

As shown in FIG. 1, the seat portion 20 is formed in a substantially rectangular parallelepiped shape, and the base end portion thereof is supported by the support portion. The seat portion 20 is rotatable about a shaft portion (not shown) provided in the rear portion 20Y with the left-right direction as an axial direction, and biasing means (not shown) in a direction in which the front portion 20X faces upward. ). That is, in the state where the user X is seated (the state of the chair 1 located in the A row shown in FIG. 1), the seat portion 20 is inclined so as to face slightly upward from the rear portion 20Y toward the front portion 20X. Is provided. Further, in the state where the user X is not seated (the state of the chair 1 located in the C row shown in FIG. 1), the seat portion 20 is provided as a state in which the front portion 20X is flipped upward. Yes.
Further, the upper surface of the seat portion 20 is configured as a seat surface 20A, and when the user X sits on the seat portion 20, the buttocks X1 and the lower limbs X2 of the user X abut on the seat surface 20A.

  The armrest portion 30 is composed of a pair of left and right, and is provided upright from the floor F. As shown in FIG. 2, the armrest 30 is configured as a common member in the chair 1 adjacent in the left-right direction, that is, the armrest 30 is a component of the right chair 1 and also a component of the left chair 1. .

The back plate portion 40 is formed in a substantially rectangular shape when viewed from the front, and is erected from the support portion. As shown in FIG. 1, the back plate portion 40 is inclined backward so as to go backward as it goes upward. And when the user X seats on the seat part 20, the back board part 40 supports the back X4 of this user X from back.
Further, as shown in FIGS. 1 and 3, a power supply and information supply cord 67 is disposed inside the back plate portion 40, and the lower end thereof is, for example, a power supply provided below the support portion. (Not shown), and the upper end thereof is connected to a mounting means 5 described later.

(monitor)
As shown in FIG. 3, the monitor 50 includes a display main body 51 that displays information, and a protection unit 52 that protects the display main body 51. Further, as shown in FIG. 1, the monitor 50 includes another chair 1 in the rear (the chair arranged in the front is the chair 1 in the A row, and the other chair in the rear corresponds to the chair 1 in the B row. ) Is disposed on the rear surface 1G of the chair 1 facing the front (A row). The monitor 50 has a built-in secondary battery that can be charged when power is supplied (not shown).

As shown in FIG. 3, the display main body 51 is formed in a substantially rectangular shape when viewed from the front, and is a screen such as a liquid crystal display for displaying images of movies, games, and the like. The display main body 51 is disposed so as to face rearward.
The protection unit 52 is formed in a substantially frame shape and is a casing member for protecting the display main body 51. The protection unit 52 is made of, for example, resin, and is arranged on each of the upper side, right side, lower side, and left side of the display main body 51. The upper protection portion 52A, the right protection portion 52B, the lower protection portion 52C, and the left protection portion 52D are provided.
As shown in FIGS. 4 and 5, the upper protection portion 52 </ b> A is provided with a pair of left and right monitor attachment portions 53 to which attachment means 5 described later is attached.
The monitor attachment portion 53 protrudes upward from the left end and the right end of the upper protection portion 52A, and a hole portion 54 that enables attachment of the attachment means 5 described later is formed on the inner surface in the left-right direction. Yes.

(Mounting means)
The attachment means 5 includes a base portion 60 provided on the chair 1 and a joint portion 70 that is detachably provided on the base portion 60 and supports the monitor 50 in a rotatable manner. 1 is detachably attached to the rear surface 1G, and power is supplied from the rear surface 1G of the chair 1 to the monitor 50 with the monitor 50 attached.

The base portion 60 is provided on the rear surface 40A of the back plate portion 40 of the A-row chair 1 disposed in front of the B-row chair 1, and is formed in a substantially rectangular shape when viewed from the front. The dimension is set smaller than the horizontal dimension of the monitor 50. The base portion 60 is provided with a pair of recesses 61 that are separated by a distance H in the left-right direction.
The recess 61 is made of, for example, a metal material such as copper and is connected to a cord 67 (not shown), and can be made conductive when supplied with power.

  The joint portion 70 is disposed between the pair of monitor mounting portions 53 of the monitor 50. The joint part 70 is formed in a substantially rectangular parallelepiped shape by a front wall part 70A, a rear wall part 70B, an upper wall part 70C, a lower wall part 70D, a first side wall part 70E, and a second side wall part 70F.

A pair of convex portions (terminals) 71 are formed on the front wall portion 70 </ b> A at a distance H in the left-right direction.
The convex portion 71 has a shape corresponding to the concave portion 61 provided in the base portion 60. By fitting the convex portion 71 with the concave portion 61, the joint portion 70 can be attached to the base portion 60, and power supply (power feeding) and information supply to the monitor 50 can be performed. . Moreover, the joint part 70 can be removed from the base part 60 by removing the convex part 71 from the concave part 61. Thus, the joint part 70 and the base part 60 are configured to be detachable by the convex part 71 and the concave part 61.

  Further, a rotation shaft 73 having an axial direction O in the left-right direction is inserted through the joint portion 70, and both end portions of the rotation shaft 73 protrude from the first side wall portion 70E and the second side wall portion 70F. . The rotation shaft 73 is inserted into a hole 54 formed in the monitor mounting portion 53 of the monitor 50, so that the monitor 50 is fixed to the joint portion 70 so as to be rotatable. In other words, the monitor 50 is rotatable with respect to the back plate portion 40 about the rotation shaft 73 in a state where the joint portion 70 is attached to the base portion 60.

  Further, the monitor 50 rotates in the P direction from the state in which the display main body 51 faces directly rearward as shown in FIG. 5, and changes to the state in which the display main body 51 faces upward as shown by a two-dot chain line in FIG. Rotate. When rotating, the rotation stops at an arbitrary position, and the position of the monitor 50 can be fixed. The monitor 50 may be rotated to a state along the rear surface 40A of the back plate portion 40 (not shown).

(Traffic space)
As shown in FIG. 1, a back plate 40 (or curtain plate member 3) is attached by a mounting means 5 between the chair 1 (or curtain plate member 3) disposed in the front and the chair 1 disposed in the rear. ) In a state where the joint portion 70 is removed from the base portion 60 provided to the user X, the passage space W for the user X is secured.

Next, operation | movement of the chair apparatus 2 comprised as mentioned above is demonstrated.
First, a state where the user X is seated on the chair 1 and the monitor 50 is attached to the chair 1 will be described.
The joint portion 70 is attached to the base portion 60 by fitting between the convex portion 71 provided in the joint portion 70 and the concave portion 61 provided in the base portion 60. In addition, the display main body 51 of the monitor 50 is in a state of facing directly rearward (a state in which the monitor 50 attached to the rear surface of the back plate portion 40 of the chair 1 in the row A of FIG. 1 is indicated by a solid line). .
In this state, power and information are supplied to the cord 67 connected to the power supply provided below the support portion, and power and information are supplied to the monitor 50 by the fitting of the convex portion 71 and the concave portion 61. Yes. Thereby, information such as an image is displayed on the display main body 51 of the monitor 50, and the user X seated on the chair 1 in the B row is displayed on the monitor 50 attached to the chair 1 in the A row. You can see etc. Further, as indicated by a two-dot chain line in FIG. 1, the user XX can rotate the monitor 50 with respect to the joint portion 70 to position the monitor 50 at a desired inclination angle.

Next, a state where the monitor 50 is detached from the chair 1 will be described.
When the user X grasps the monitor 50 and pulls it backward, the fitting between the convex portion 71 and the concave portion 61 is released, and the monitor 50 is detached from the base portion 60. Here, since the monitor 50 has a built-in secondary battery, information is displayed on the display body 51 of the monitor 50 for a predetermined time. Therefore, as shown by the user X sitting on the chair 1 in the A-th row in FIG. 1, the user X can view images and the like at a closer distance by bringing the monitor 50 closer to the hand.

Next, an operation when the user X evacuates with the monitor 50 attached to the chair 1 in an emergency or the like will be described.
For example, when the user X sitting on the chair 1 in the C-th row in FIG. 1 stands up and the user X's arm touches the monitor 50, the projection 71 and the recess 61 are disengaged and the monitor 50 may come off from the back plate portion 40 of the chair 1 in the B-th row. In this state, since the passage space W for the user X is secured between the chair 1 in the B row and the chair 1 in the C row, the user X passes through the passage space W. Can evacuate.
Note that the same operation as described above is possible when the monitor 50 is attached to the curtain plate member 3 and when the monitor 50 is detached from the curtain plate member 3, and the description thereof is omitted.

  In the chair device 2 configured as described above, the projection 71 provided in the joint portion 70 is fitted into the recess 61 provided in the base portion 60, whereby the monitor 50 is disposed on the front. 3 and the chair 1 can be fixed. Further, by removing the convex portion 71 from the concave portion 61, the monitor 50 can be removed from the curtain plate member 3 and the chair 1 disposed forward.

  In addition, the above fixing and removing are performed by fitting the convex portion 71 and the concave portion 61. Therefore, when the joint portion 70 is opposed to the base portion 60 and the joint portion 70 or the monitor 50 via the joint portion 70 is pressed forward, the monitor 50 can be easily fixed to the curtain plate member 3 and the chair 1. Can do. Further, the monitor 50 can be easily detached from the curtain plate member 3 and the chair 1 by pulling the joint portion 70 or the monitor 50 through the joint portion 70 rearward.

  Further, with the monitor 50 removed from the curtain plate member 3 and the chair 1, there is a traffic space W between the chair 1 (or curtain plate member 3) disposed in the front and the chair 1 disposed in the rear. It is secured. Therefore, since the passage width when the user X passes is sufficiently secured, the user X can pass without hindrance.

  For example, during an emergency evacuation, the monitor 50 may come off the curtain plate member 3 and the chair 1 when the user X's arm or the like touches the monitor 50. Since the traffic space W is secured in this state, the user X can evacuate quickly, and thus safety in evacuation can be improved.

  Even when the monitor 50 is detached and dropped as described above, the display main body 51 of the monitor 50 is protected by the protection unit 52, so there is no possibility that the monitor 50 is damaged and breaks down.

  In addition, when the convex portion 71 is fitted into the concave portion 61, the conductive state is established, and power and information can be supplied to the monitor 50. Therefore, power and information can be supplied with a simple configuration. is there.

  Further, since the cord 67 is disposed inside the back plate portion 40, the cord 67 is not exposed to the outside of the chair 1. Therefore, for the user X who passes through the traffic space W, the code 67 does not interfere with the traffic and the appearance can be improved.

  Further, since the monitor 50 is rotatable with respect to the curtain plate member 3 and the chair 1, the user X is displayed on the monitor 50 at an optimum angle according to his / her preference by rotating the monitor 50. You can watch videos. Furthermore, as shown in FIG. 1, the monitor 50 can be removed and held at hand so that the user X can be used more conveniently.

  More specifically, for example, when it is difficult to install a power supply facility in a theater, the secondary battery built in the monitor 50 can be charged by a power supply facility provided at another location. it can. Accordingly, the monitor 50 can be lent to a user who sits on a front row seat, a berth seat, a wheelchair seat, an auxiliary seat, or the like. Therefore, the user can watch and hold the monitor 50 in his / her hand, and the usability can be improved.

  In addition, since the horizontal dimension of the base part 60 is set smaller than the horizontal dimension of the monitor 50, the base part 60 does not stand out and the appearance is good when the monitor 50 is detached from the chair 1. It can be.

  In addition, since the monitor 50 is not embedded in the back plate portion 40 of the chair 1, maintenance of the monitor 50 can be easily performed. Furthermore, for example, when the monitor 50 is changed to a large model, a model with an additional function, or the like, the monitor 50 can be easily exchanged, so that it can be flexibly handled.

(Second reference example )
Next, the chair apparatus 2 which concerns on the 2nd reference example of this invention is demonstrated using FIG.
In addition, about the structure which is common in the reference example mentioned above in this reference example , the same code | symbol is attached | subjected and the description is abbreviate | omitted.

The dimension in the left-right direction of the base portion 260 in this reference example is set larger than the dimension in the left-right direction of the base portion 60 in the first reference example .

In other words, the base portion 260 is set such that the horizontal dimension J thereof is larger than the horizontal dimension K (see FIG. 4) of the base portion 60 in the first reference example . The base portion 260 is provided with a pair of concave portions 61 that are spaced apart in the left-right direction. Here, the separation distance I is set to be larger than the separation distance H shown in FIG.

  The joint portion 270 is disposed between the pair of monitor mounting portions 253 of the monitor 250, and has a joint main body 272 provided with a convex portion 71 and a rotation shaft 273 having the left-right direction as the axial direction O. doing.

The joint body 271 is formed in a substantially rectangular shape corresponding to the base portion 260 on the front surface side, and is formed in a substantially triangular shape when viewed from the side so as to reduce the vertical dimension as it goes rearward. The joint body 271 includes a front wall portion 270A that forms the front surface side, an upper wall portion 270C that is continuous with the upper portion of the front wall portion 270A, and a lower wall portion 270D that is continuous with the lower portion of the front wall portion 270A. ing.
A pair of convex portions 71 are formed on the front wall portion 270A at a distance I in the left-right direction.

  The rotation shaft 273 is formed continuously from the rear portion Y of the upper wall portion 270C and the rear portion of the lower wall portion 270D with the left-right direction as the axial direction O. Both ends of the rotation shaft 273 are inserted into holes 254 formed in the monitor mounting portion 253 of the monitor 250, so that the monitor 250 is fixed to the joint portion 270 so as to be rotatable. In other words, the monitor 250 is rotatable with respect to the back plate 40 about the rotation shaft 273 with the joint portion 270 attached to the base portion 260.

  In the chair device 202 configured as described above, since the distance between the convex portion 71 and the concave portion 61 can be increased, the base portion 260 can stably support the monitor 250. Therefore, for example, even when the weight of the monitor 250 is large, the monitor 250 can be securely fixed to the curtain plate member 3 and the chair 1.

(Third reference example )
Next, the chair apparatus 302 which concerns on the 3rd reference example of this invention is demonstrated using FIG.
In addition, about the structure which is common in the reference example mentioned above in this reference example , the same code | symbol is attached | subjected and the description is abbreviate | omitted.

In the second reference example , the base portion 260 is provided with a pair of concave portions 61 spaced apart in the left-right direction, and the joint portion 270 is also provided with a pair of convex portions 71 spaced apart in the left-right direction.
On the other hand, in this reference example , a plurality of concave portions 361 and convex portions 371 are provided apart from each other in the vertical direction and the horizontal direction.

That is, the base portion 360 is provided with a plurality of concave portions 361 that are spaced apart in the vertical direction and the horizontal direction.
In this reference example , for example, four concave portions 361 are provided in the vertical direction and ten concave portions 361 are provided in the horizontal direction. In addition, the said numerical value is an example and this reference example is not limited to the said numerical value.

  The joint portion 370 is provided with a plurality of convex portions 371 that are spaced apart in the vertical direction and the left-right direction, corresponding to the concave portions 361 of the base portion 360.

Moreover, although the recessed part 361 and the convex part 371 are arrange | positioned by aligning in the up-down direction and the left-right direction, you may arrange | position in zigzag form.
Of the concave portion 361 and the convex portion 371, any two corresponding ones can be electrically connected.

  In the chair device 302 configured as described above, a large number of fittings between the convex portions 371 and the concave portions 361 can be provided, so that the base portion 360 can stably support the monitor 250 and the monitor 250 can be supported by the curtain plate. It can be securely fixed to the member 3 and the chair 1. Further, by removing the convex portion 371 from the concave portion 361, the monitor 250 can be removed from the curtain plate member 3 and the chair 1 disposed in the front.

(Fourth reference example )
Next, the chair apparatus 402 which concerns on the 4th reference example of this invention is demonstrated using FIG.
In addition, about the structure which is common in the reference example mentioned above in this reference example , the same code | symbol is attached | subjected and the description is abbreviate | omitted.

In this reference example , the recess 461 can be elastically deformed.
That is, the base portion 460 is formed with a plurality of concave portions 461 extending in the left-right direction with an interval in the up-down direction. The base portion 460 is made of, for example, a resin that can be elastically deformed.
The concave portion 461 includes a base portion 461A and a pair of protruding portions 461B that protrude rearward from the base portion 461A. The concave portion 461 is formed to have a narrower width as it goes from the base portion 461A to the tip portion in a cross-sectional view.
In this reference example , seven concave portions 461 are provided in the vertical direction. Of these recesses 461, bases 461A of any two recesses 461 are formed of a metal material such as copper and are electrically conductive.

In the joint portion 470, a plurality of convex portions 471 are formed corresponding to the concave portion 461 and extending in the left-right direction with an interval in the vertical direction. The base portion 460 is made of, for example, resin.
In this reference example , seven convex portions 471 are provided in the vertical direction. Of the protrusions 471, the protrusions 471 corresponding to the recesses 461 formed of a metal material such as copper are formed of a metal material such as copper and are electrically conductive.
The numerical value shown above is an example, and this reference example is not limited to the numerical value.

Next, the operation of attaching the monitor 250 to the chair 1 in the chair device 402 configured as described above will be described.
The convex part 471 provided in the joint part 470 is inserted into the concave part 461 provided in the base part 460 from the front. Here, the concave portion 461 and the convex portion 471 can be fitted by elastic deformation so that the upper protruding portion 461B of the concave portion 461 extends upward and the lower protruding portion 461B extends downward. .

Next, a state where the monitor 250 is detached from the chair 1 will be described.
When the user X grips the monitor 250 and pulls it backward, or when the user X's arm touches the monitor 250, the upper protrusion 461B of the recess 461 further spreads upward, and the lower protrusion 461B By further elastically deforming so as to spread downward, the fitting between the concave portion 461 and the convex portion 471 is released, and the monitor 250 is detached from the base portion 460.

  In the chair device 402 configured as described above, the concave portion 461 is elastically deformed, so that the convex portion 471 can be reliably fitted to the concave portion 461 and can be easily removed from the fitted state. . Therefore, the monitor 250 can be securely fixed by the chair 1 and the monitor 250 can be detached from the chair 1 more easily.

  Note that the operation of the protrusion 461B described above is an example, and when fitting, only one of the upper protrusion 461B and the lower protrusion 461B extends upward or downward, and when removing the upper protrusion 461B, Only one of the protruding portion 461B and the lower protruding portion 461B may be configured to spread upward or downward.

(Fifth reference example )
Next, a chair device 502 according to a fifth reference example of the present invention will be described with reference to FIG.
In addition, about the structure which is common in the reference example mentioned above in this reference example , the same code | symbol is attached | subjected and the description is abbreviate | omitted.

In the fourth reference example , the recess 461 is elastically deformed, so that the base portion 460 and the joint portion 470 can be attached and detached. On the other hand, in this reference example , the base portion 560 and the joint portion 570 can be attached and detached by elastic deformation of the base portion 560 itself.

That is, the base portion 560 is formed in a C shape in a cross-sectional view, and has a base attachment portion 560A attached to the back plate portion 40, and a base upper wall extending rearward from the upper portion of the base attachment portion 560A. Part 560B, base lower wall part 560C extending rearward from the lower part of base mounting part 560A, base upper bent part 560D extending downward from the end of base upper wall part 560B, It has a base lower bent part 560E extending upward from the end of the base lower wall part 560C. Here, the base attaching portion 560A, the base upper wall portion 560B, the base lower wall portion 560C, the base upper bent portion 560D, and the base lower bent portion 560E are configured as a sandwiching portion.
The base portion 560 is formed of, for example, a resin that can be elastically deformed.

The base attachment portion 560A is provided with a pair of recesses 561 that are spaced apart in the left-right direction.
A plurality of first slits 560F are formed in the base upper bent portion 560D so as to be spaced apart in the left-right direction and upward from the lower portion thereof.
A plurality of second slits 560G are formed in the base lower bent portion 560E so as to be separated from each other in the left-right direction and downward from the upper portion thereof.

A pair of convex portions 571 are formed on the front wall portion 572A of the joint body (supporting portion) 572 constituting the joint portion 570 so as to be separated in the left-right direction.
As shown in FIG. 9 (b), the convex portion 571 includes a projecting portion 573 projecting forward from the front wall portion 572A, a spherical sphere portion 574 provided at the tip of the projecting portion 573, and a projecting portion. And an urging portion 575 for urging the ball portion 574 forward.
The ball portion 574 is biased forward by the biasing portion 575, and is normally supported by the protruding portion 573 so that the hemispherical portion protrudes from the protruding portion.

  Further, the concave portion 561 of the base portion 560 and the convex portion 571 of the joint portion 570 are fitted, so that electrical conduction is possible.

Next, an operation of attaching the monitor 250 to the chair 1 in the chair device 502 configured as described above will be described.
The front wall portion 572A of the joint portion 570 is inserted into the space formed by the sandwiching portion of the base portion 560 so that one side of the left-right direction is the other side (for example, the direction of the arrow R shown in FIG. 9A) (Hereinafter referred to as “R direction”).

Here, the base upper bent portion 560D of the base portion 560 spreads toward the rear as it goes downward from above, and the base lower bent portion 560E spreads toward the rear as it goes upward from below. Further, when the tip of the spherical portion 574 of the convex portion 571 comes into contact with the base mounting portion 560A of the base portion 560, the spherical portion 574 moves backward so as to be accommodated in the protruding portion 573. In this way, the joint body 572 can be inserted into the space formed by the clamping portion of the base portion 560.

When the joint portion 570 is further moved in the R direction to a position where the convex portion 571 and the concave portion 561 face each other, the ball portion 574 is biased forward by the biasing portion 575, and the convex portion 571 and the concave portion 561 are moved forward. And fit.
In this way, the base upper bent portion 560D and the base lower bent portion 560E are elastically deformed, whereby the concave portion 561 and the convex portion 571 can be fitted. Here, the base upper bent portion 560D and the base lower bent portion 560E are easily elastically deformed by the first slit 560F and the second slit 560G, respectively.

Next, a state where the monitor 250 is detached from the chair 1 will be described.
When the user X grips the monitor 250 and pulls it backward, or when the user X's arm touches the monitor 250, the upper bent portion 560D further moves backward from the upper side toward the lower side. As the base lower bent portion 560E extends from the lower side to the upper side, the base further bends further. In this manner, the base upper bent portion 560D and the base lower bent portion 560E are elastically deformed, whereby the joint portion 570 is detached from the base portion 560 and the monitor 250 is detached from the base portion 560.

  In such a chair device 502, the joint part 572 can be securely held by the holding part by elastically deforming the holding part, and can be easily detached from the held state. Therefore, the monitor 250 can be securely fixed by the chair 1 and the monitor 250 can be detached from the chair 1 more easily.

(Modification of the fifth reference example)
As a modified example of the fifth reference example , as shown in FIG. 9C, a convex portion 571P is provided on the front wall portion 572B of the joint body 572P, and the front wall portion 572B itself is directed forward by the biasing portion 575P. It may be configured to be biased.

Even in this case, when the monitor 250 is attached to the chair 1, the front wall portion 572B contacts the base attachment portion 560A of the base portion 560, so that the front wall portion 572B moves rearward. In this way, the joint body 572P can be inserted into the space formed by the clamping portion of the base portion 560.
And if it moves to the position where the convex part 571P and the recessed part 561 oppose, the convex part 571P will be urged | biased ahead by the urging | biasing part 575P, and the convex part 571P and the recessed part 561 can be fitted.

(Sixth reference example )
Next, the chair apparatus 602 which concerns on the 6th reference example of this invention is demonstrated using FIG.
In addition, about the structure which is common in the reference example mentioned above in this reference example , the same code | symbol is attached | subjected and the description is abbreviate | omitted.

In this reference example , the base portion 660 and the joint portion 670 can be attached and detached by fitting and magnetic force between the concave portion 661 and the convex portion 671.

That is, the base portion 660 is provided with the first magnetic attracting portion 662 between the pair of recesses 661.
The joint portion 670 is provided with a second magnetic attracting portion 672 between the pair of convex portions 671.
In this reference example , the first magnetic attracting part 662 and the second magnetic attracting part 672 are composed of magnets.

  The pair of concave portions 661 of the base portion 660 and the pair of convex portions 671 of the joint portion 670 are fitted to be electrically conductive.

  In the chair device 602 configured as described above, the joint portion 670 can be attached to the base portion 660 provided in the chair 1 by fitting the concave portion 661 and the convex portion 671 and magnetic force. Further, the joint portion 670 can be removed from the base portion 660 by removing the fitting between the concave portion 661 and the convex portion 671 and separating the magnetic force. Therefore, the monitor 250 can be easily fixed to the curtain plate member 3 and the chair 1 via the joint portion 670, and the monitor 250 can be easily detached from the curtain plate member 3 and the chair 1.

Further, in this reference example , the protrusion height of the convex portion 671 can be made smaller than that of the first reference example by the amount of the attractive force due to the magnetic force. Therefore, in a state where the monitor 250 is detached from the curtain plate member 3 and the chair 1, the appearance of the monitor 250 can be made compact and satisfactory.

(Seventh reference example )
Next, the chair apparatus 702 which concerns on the 7th reference example of this invention is demonstrated using FIG.
In addition, about the structure which is common in the reference example mentioned above in this reference example , the same code | symbol is attached | subjected and the description is abbreviate | omitted.

In the present reference example , the base portion 760 and the joint portion 770 can be attached and detached by a hook-and-loop fastener constituent member in place of the configurations of the first magnetic attracting portion 662 and the second magnetic attracting portion 672 of the sixth reference example . Yes.

That is, the base portion 760 is provided with a pair of recesses 661 and one hook-and-loop fastener constituting member 771.
Further, the joint portion 770 is provided with a pair of convex portions 671 and the other surface fastener constituting member 772.

  The pair of concave portions 661 of the base portion 760 and the pair of convex portions 671 of the joint portion 770 are fitted to be electrically conductive.

  In such a chair device 702, the joint portion 770 is attached to the base portion 760 provided in the chair 1 by the fastening of the one surface fastener constituting member 771 and the other surface fastener constituting member 772, and the joint portion 770 is attached to the joint portion 770. It can be removed from the base part 760. Therefore, the monitor 250 can be easily fixed to the chair 1 via the joint portion 770, and the monitor 350 can be easily detached from the chair 1.

( First embodiment)
Next, the chair apparatus 802 which concerns on 1st embodiment of this invention is demonstrated.
In addition, about the structure which is common in the reference example mentioned above in this embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 12, in the chair device 802 according to this embodiment, the monitor 50 is attached to the chair 1 by the attaching means 805.

  The attachment means 805 includes a base portion 860 provided on the chair 1 and a joint portion 870 that is detachably provided on the base portion 860 and supports the monitor 50 in a rotatable manner. 1 is detachably attached to the rear surface 1G, and power is supplied from the rear surface 1G of the chair 1 to the monitor 50 with the monitor 50 attached.

  As shown in FIG. 13, the base portion 860 is fixed to the rear surface 1G (see FIG. 12) of the chair 1 with mounting screws 861, and the surface is covered with a housing 862. The casing 862 is formed with a stepped portion 863 that is recessed toward the inside.

  Inside the step portion 863 of the housing 862, the first N-pole adsorbing portion 864A and the first S-pole adsorbing portion 864B are provided in a state that cannot be visually observed from the exterior.

  In addition, a pair of recesses 865 extending in the left-right direction (rotation axis direction) are formed in the housing 862 so as to be spaced apart in the vertical direction. The recess 865 is formed such that the recess size gradually decreases from the central portion of the extension length toward both the left and right sides (both sides). In this embodiment, it is formed in an arc shape with a large recess size at the center and small recess sizes on both the left and right sides.

  In addition, the housing 862 is provided with a convex portion 868 and a pair of first concave portions 869 that are spaced apart in the vertical direction, and the first concave portion 869 is a terminal that can conduct when power is supplied. It is configured.

  As shown in FIGS. 14 to 16, the second N-pole adsorbing portion 874 </ b> A and the second S-pole adsorbing portion 874 </ b> B are provided in the joint portion 870 so as to be invisible in terms of appearance. It has been.

  The second N-pole suction portion 874A is provided at a position corresponding to the first S-pole suction portion 864B of the base portion 860, and the second S-pole suction portion 874B corresponds to the first N-pole suction portion 864A of the base portion 860. In the position.

  In addition, the joint portion 870 has a protruding portion 875 extending in the left-right direction and capable of being fitted in the recess 865 of the base portion 860, and is spaced apart in the vertical direction, and corresponds to the recess 865 of the base portion 860. A pair is formed at the position. The projecting portion 875 is formed such that the projecting dimension gradually decreases from the central portion of the extending length toward the left and right sides. In this embodiment, it is formed in a circular arc shape having a large projecting dimension at the center and small projecting dimensions on both the left and right sides.

  Further, the joint portion 870 is provided with a second concave portion 878 at a position corresponding to the convex portion 868 of the base portion 860. Further, the joint portion 870 is provided with a pair of third recesses 879 at positions corresponding to the first recesses 869 of the base portion 760 so as to be vertically separated, and the third recesses 879 are supplied with power. It is comprised as a terminal which can be conducted.

Next, the internal configuration of the joint part 870 will be described.
As shown in FIG. 17, the joint portion 870 biases the first rotating shaft 881, a movable member 882 that is rotatably attached to the first rotating shaft 881, and the movable member 882. A first urging portion 883 and a second urging portion 884 provided on the movable member 882 are provided.

  The movable member 882 is rotatably attached to the first rotation shaft 881 and is a second movable member provided with a first movable piece 882A disposed in the second recess 878 and a second urging portion 884. And a piece 882B.

  In the present embodiment, the first biasing portion 883 is a coiled spring wound around the first rotation shaft 881 and biases the first movable piece 882A in a direction in which the first movable piece 882A protrudes from the second recess 878. .

  The second urging portion 884 is a leaf spring member that is provided on the second movable piece 882B and is bent toward the third recessed portion 879 side, and the bent portion 884A is attached to the bottom portion 879A of the third recessed portion 879. It is energizing towards.

  As shown in FIG. 18, when the joint portion 870 configured as described above is attached to the base portion 860, the convex portion 868 of the base portion 860 is disposed in the second concave portion 878 of the joint portion 870. Then, the convex portion 868 presses the first movable piece 882A disposed in the second concave portion 878.

  By this pressing, the movable member 882 rotates about the first rotation shaft 881 and the bent portion 884A of the second urging portion 884 provided on the second movable piece 882B is moved to the base portion 860 side. Rotate toward.

Accordingly, the bent portion 884A presses the bottom portion 879A of the third recess 879 toward the base portion 860, and the bottom portion 879A protrudes from the third recess 879 and contacts the first recess 869 of the base portion 860.
As a result, the first recess 869 and the third recess 879 can be electrically connected.

  On the other hand, when the joint portion 870 is removed from the base portion 860, the convex portion 868 of the base portion 860 is detached from the second concave portion 878, and the first movable piece 882A is not pressed.

  Since the first urging portion 883 urges the first movable piece 882A to protrude from the second concave portion 878, the movable member 882 is arranged so that the first movable piece 882A is disposed in the second concave portion 878. It rotates about the first rotation shaft 881.

  Accordingly, the second urging portion 884 rotates in a direction away from the bottom portion 879A of the third recess 879 and does not press the bottom portion 879A, and the bottom portion 879A moves toward the inner side of the joint portion 870. The first recess 869 and the third recess 879 are separated from each other and become non-conductive.

In the chair device 802 configured as described above, the first N pole adsorption portion 864A of the base portion 860 and the second S pole adsorption portion 874B of the joint portion 870 are adsorbed, and the first S pole adsorption portion of the base portion 860 is adsorbed. 864B and the second N pole adsorption portion 874A of the joint portion 870 are adsorbed. Therefore, since the joint part 870 is attached to a predetermined position with respect to the base part 860, the monitor 50 supported by the joint part 870 is attached to the predetermined position with respect to the chair 1 provided with the base part 860. .
Therefore, it is possible to prevent the user from attaching the base unit 860 with the front and back directions of the monitor 50 reversed.

  Further, since the base portion 860 and the joint portion 870 are adsorbed by magnetic force, and the recess 865 and the protruding portion 875 are fitted, a force is exerted in a direction in which the base portion 860 and the joint portion 870 face each other. Even if is added, it is difficult to remove. Therefore, even if the user rotates the monitor 50 by applying a force in the opposite direction, the monitor 50 does not fall from the chair.

  On the other hand, since the recess 865 and the protrusion 875 are formed in an arc shape so that the recess dimension and the protrusion dimension decrease as they go to both sides in the respective extending directions, the recess 865 and the protrusion 875 can be easily along the left-right direction. Can be removed.

  In addition, since the portion provided with the terminal is recessed as the third recess 879 with the monitor 50 removed from the base portion 860, the appearance in appearance can be improved.

(Modification)
As shown in FIG. 19, the chair 1 may be provided on floors FG <b> 1 to G <b> 3 that are formed in a rising staircase shape from the front to the rear as the chair device 102 of the modification of the present reference example .
In this case, the monitor 50 used by the user X sitting on the chair 1 provided on the floor G2 is provided on the back plate portion 40 of the chair 1 provided on the floor G1. Here, the height from the floor G2 to the monitor 50 provided on the back plate portion 40 of the chair 1 disposed on the floor G1 is lower than that in the first reference example . Even in this case, if the monitor 50 is rotated so that the lower part 50P of the monitor 50 is directed upward, the display body 51 of the monitor 50 is set to an optimum angle for the user X sitting on the chair 1. It is possible to improve usability.

  Further, the operation procedure shown in the above-described embodiment, or the shapes and combinations of the constituent members are merely examples, and various modifications can be made based on design requirements and the like without departing from the gist of the present invention.

For example, in the first reference example , the rotation shaft 73 is provided in the joint portion 70, and the hole portion 54 that allows the rotation shaft 73 to be inserted is formed in the monitor mounting portion 53. Good. That is, a pair of pivot shafts that project inward in the left-right direction from the pair of monitor attachment portions 53 are provided, and holes are formed in the first side wall portion 70E and the second side wall portion 70F of the joint portion 70. Also good. Even in this case, the monitor 50 can be rotated with respect to the joint portion 70.

Further, in the above reference example , the base portion 60 is provided with the concave portion 61 and the joint portion 70 is provided with the convex portion 71. However, the configuration is reversed, and the base portion 60 is provided with the convex portion 71. In addition, the joint portion 70 may be provided with a recess 61. Even in this case, by fitting the convex portion 71 and the concave portion 61, the monitor 50 can be fixed to the curtain plate member 3 and the chair 1 via the joint portion 70 and can be detached from the curtain plate member 3 and the chair 1. .

In the sixth reference example , both the first magnetic attracting part and the second magnetic attracting part are made of magnets, but one of them may be made of a magnetic material such as iron, nickel, or cobalt. Even in this case, the monitor 50 can be fixed to the curtain plate member 3 and the chair 1 and can be easily detached by the adsorption and separation of the magnet and the magnetic body.

DESCRIPTION OF SYMBOLS 1 ... Chair 2,102,202,302,402,502,602,702,802 ... Chair apparatus 1G ... Chair rear surface 5 ... Mounting means 50, 250, 350 ... Monitor 51 ... Display main body 52 ... Protection part 60 , 260, 360, 460, 560, 660, 760, 860... Base portion 70, 270, 370, 470, 570, 670, 770, 870 ... Joint portion X ... User W ... Traffic space

Claims (4)

It is a chair device arranged to be separated from each other in the front-rear direction,
A chair,
A monitor located on the back of the chair facing the other chair in the back;
The monitor is detachably attached to the rear surface of the chair, and includes an attachment means for supplying power to the monitor from the rear surface of the chair with the monitor attached .
The attachment means includes
A base provided on the chair;
A joint part that is detachably provided on the base part and rotatably supports the monitor;
The base part and the joint part are configured to be detachable by magnetic force,
One of the base part or the joint part is formed with a recess extending in the direction of the rotation axis of the monitor,
The other of the base part or the joint part protrudes toward one side of the base part or the joint part at a position corresponding to the recess, and extends toward the rotation axis direction, Protrusions that can fit into the recesses are formed,
The recess gradually decreases in size as it goes from the center of the extension length to both sides,
The chair device according to claim 1, wherein the protruding portion gradually decreases in a protruding dimension from the central portion of the extending length toward both sides . The chair device according to claim 1,
The chair device is configured to secure a user's passage space in a state where the monitor is removed from the other chair. The chair device according to claim 1 or 2 ,
The base portion is provided with a first N-pole suction portion, and a first S-pole suction portion is provided at a position away from the first N-pole suction portion,
The joint portion is provided with a second S pole adsorption portion at a position corresponding to the first N pole adsorption portion, and a second N pole adsorption portion is provided at a position corresponding to the first S pole adsorption portion. The chair apparatus characterized by the above-mentioned. In the chair apparatus as described in any one of Claims 1-3 ,
The monitor includes a display body that displays information and a protection unit that protects the display body.

Images