JP4699431B2 - Movable chair for viewing - Google Patents

Description

  The present invention relates to a chair used in a theater or the like, and more particularly to a movable chair that can be easily transferred to and from a wheelchair.

  In theaters, stadiums, and the like, there are usually a large number of rows in which a large number of chairs are arranged side by side, and a passage extending from side to side between the chair rows is not so wide. For this reason, it is practically extremely difficult to bring the wheelchair from the front side of the chairs for transfer between the chairs and the wheelchairs.

Therefore, in the past, in particular, there was a wheelchair space in which the wheelchair can be used as it is without providing a chair at the forefront or rearmost part of the hall so that the wheelchair user can view it while sitting in the wheelchair. (For example, refer to Non-Patent Document 1 for the wheelchair space provided in the forefront of the moving seat.)
Catalog “Rollback System Products” No. 1 issued by Kotobuki Co., Ltd. on June 1, 2001. 171, page 39

  However, in the conventional method of providing a wheelchair space, a wheelchair user is forced to view while sitting in the wheelchair, so that the sitting comfort is not necessarily comfortable, and the problem is that it is likely to become unstable while sitting. There is. In addition, when there is no wheelchair user, there is no normal chair in the wheelchair space, so a normal audience cannot be used as it is, even if a temporary chair such as a pipe chair is placed in that space, There is also a problem that it cannot be viewed as comfortably as other normal chairs.

  Therefore, the present invention can be easily transferred to and from a wheelchair, and a user who has transferred from the wheelchair can enjoy a comfortable seating comfort as in a normal chair while sitting, and can be viewed stably. It is an object of the present invention to provide a movable chair that can be used comfortably by a normal audience in the same manner as other normal chairs even when there is no user.

The present invention has been made in order to advantageously solve the above problems, and a movable chair for viewing according to the present invention includes a chair body having at least a seat and a back, and is seated or separated from the chair body. the chair body ERROR position is movable to and during the viewing movable chair, the position of use are arranged in parallel next to the chair, and spaced the ERROR position away from the adjacent chair A chair body movement support means for movably supporting the chair body, and for directing the chair body facing forward in the use position to the transfer direction at the transfer position or from the transfer direction to the forward direction to the chair body rotation support means for rotatably supported to the chair body around a predetermined vertical axis, and a limit switch, the limit switch is turned on when the chair body is a front-facing Chair body moving support means can be moved between a possible and to the chair body said use position and該移ride position operation.

  In such a movable chair, when the chair user moves from the wheelchair, the chair body supported by the chair body movement support means is moved manually or automatically to a transfer position separated from the adjacent chair. The chair body supported by the chair body rotation support means so as to be able to rotate is moved manually or automatically from the front to the transfer direction in a predetermined vertical direction. Rotate around the axis and point to the wheelchair. When the user moves from the wheelchair to the chair body, the chair body is rotated to the front facing the same direction as the next chair in the reverse procedure, and then the chair body is used next to the next chair. Move to. In addition, when the chair user moves from the chair body to the wheelchair, the chair body is moved to the transfer position and turned to the wheelchair in the same manner as described above, and the user moves from the chair body to the wheelchair. Then, the chair body is rotated to the front facing in the same direction as the adjacent chair, and then the chair body is moved to a use position adjacent to the adjacent chair.

  Therefore, according to the movable chair of the present invention, the chair body can be directed to the wheelchair when transferring to or from the wheelchair, so that the user of the chair can easily transfer, and the user who has transferred from the wheelchair During the sitting, the chair body movement support means fixed to the floor and the chair body rotation support means provided on the floor firmly support the chair body, so at least the chair body having the seat and the back can be used by the chair user. Providing the same comfortable seating as other normal chairs while sitting, and stabilizing the chair body so that the chair user can be safely held in the chair body even when the chair user has a disability In normal times when there is no wheelchair user, the chair body is located in the use position adjacent to the next chair so that the normal audience can use it comfortably like other normal chairs. it can.

  In the movable chair of the present invention, the chair body movement support means may automatically move the chair body horizontally and vertically between the transfer position and the use position. In this way, even if the floor is slanted or stepped, and the floor behind the chair is higher than the floor in front of the chair, the wheelchair and chair that have been moved from the floor behind the chair The height with the main body can be adjusted, and the user of the chair can easily transfer between the wheelchair and the chair main body.

  In the movable chair of the present invention, the chair body movement support means may have a parallel link mechanism that vertically moves the chair body while horizontally moving the chair body between the transfer position and the use position. . In this way, the chair main body can be automatically moved horizontally and vertically between the transfer position and the use position with a simple configuration.

  Furthermore, in the movable chair of the present invention, the chair body movement support means may include a hydraulic cylinder that is arranged side by side and drives the parallel link mechanism simultaneously. In this way, the hydraulic cylinders that drive the parallel link mechanism can be made narrower one by one and can be arranged separately from a hydraulic source such as an electric pump that supplies hydraulic pressure to the hydraulic cylinders, so that it becomes a power source The hydraulic cylinder and the hydraulic source can be easily stored in a small space under the chair body.

  Further, in the movable chair of the present invention, the chair body rotation support means selectively locks the rotation position of the chair body releasably with respect to the forward direction and the transfer direction. You may have. In this way, when transferring to and from a wheelchair, the chair body can be locked toward the wheelchair, making it easier to transfer, and when sitting, the chair body should be in front of the next chair. The chair body can be made more stable because it can be locked.

  Furthermore, in the movable chair of the present invention, the chair body may include a connecting member that detachably connects the chair body to the adjacent chair in a state where the chair body is positioned forward in the use position. In this way, when the chair body is positioned forward in the use position, the chair body can be connected to the adjacent chair, so that the chair body can be further stabilized.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Here, FIG. 1 is a front view showing an embodiment of the movable chair of the present invention together with an adjacent chair in a state where the chair body faces forward in the use position, and FIG. 2 shows the movable chair of the embodiment described above. FIG. 3 is a side view showing the movable chair of the above embodiment with the chair body facing forward in the use position, and FIG. FIG. 5 is a front view showing the movable chair of the embodiment together with the adjacent chair with the chair body facing forward at the transfer position, and FIG. 5 shows the movable chair of the embodiment with the chair body facing forward at the transfer position. FIG. 6 is a side view showing the movable chair of the embodiment together with the adjacent chair in a state where the chair body faces forward at the transfer position, and FIG. 7 is the chair of the movable chair of the embodiment. The main body is in the transfer position for the first transfer direction (diagonally backwards) FIG. 8 is a plan view showing the next chair together with the next chair, and FIG. 8 shows the movable chair of the above embodiment with the next chair in the state where the chair body is in the second transfer direction (directly back) at the transfer position. FIG.

  FIG. 9 is a plan view showing the chair main body moving support portion of the movable chair of the above embodiment with the chair main body omitted, and FIG. 10 shows the chair main body rotation support portion of the movable chair of the above embodiment as the chair main body and Sectional views showing the chair main body movement support section omitted, FIGS. 11A, 11B, 11C, and 11D show the chair main body rotation support section of the movable chair of the above embodiment. FIG. 12 is a cross-sectional view taken along lines AA, BB, CC, and DD, respectively, FIG. 12 shows the pivot position lock hand part of the movable chair of the above embodiment as a chair body and chair body. FIG. 13 is a side view showing the movable chair of the above embodiment in a state where the chair body is in the first or second transfer direction at the transfer position. 1 is a movable chair of the above embodiment, 2 is a chair adjacent to the connected chair type, and 3 is provided with the movable chair 1. The floor, 4 denotes the floor behind the movable chair 1 respectively.

  The movable chair 1 of this embodiment is of a seat standing type that can be installed as a viewing seat in a theater, for example, and is fixedly embedded in the chair body 5 and the pit 3a of the floor 3 as shown in FIGS. The chair body movement support section 6 as a chair body movement support means for supporting the chair body 5 and automatically moving it as described later, and the chair body movement support section 6 are provided. It can be rotated around a predetermined vertical axis between the forward direction (see FIG. 2) facing the same direction as the adjacent chair 2 and the first and second transfer directions (see FIGS. 7 and 8) rotated from the forward direction. The chair main body rotation support portion 7 as a chair main body rotation support means, and the chair main body rotation support portion 7 is provided to support the rotation position of the chair main body 5 with the forward position and the first position. And selectively lockable to the second transfer-oriented position That is it comprises a rotational position locking portion 8 of the rotational position locking means.

  Here, the chair body 5 includes left and right side plates 5a each incorporating a steel support plate, a back 5b whose both side portions are fixedly supported by the side plates 5a, and a rear portion of the side plates 5a in the lateral direction of the chair. A seat 5c that is supported so as to be rotatable about a horizontal axis extending in the direction and is always urged to rotate in a standing direction by a spring (not shown), and elbows 5d fixed to the upper ends of the side plates 5a, respectively. The side plate 5a, the back 5b, the seat 5c, and the elbow 5d have substantially the same design as the adjacent chair 2 (only one leg is shown in the figure) which is a seat-raising type connecting chair. The lower end portions of the left and right side plates 5 a are fixedly supported by the rotation support plate 7 a of the chair body rotation support portion 7.

  In addition, as shown in FIG. 4, a steel plate 2a having substantially the same supporting function as the side plate is provided on the side of the adjacent connecting chair 2 on the left side (the side close to the chair body 5) in FIG. On the other hand, a hook 5e as a connecting member is provided on the side plate 5a of the chair body 5 on the right side (the side close to the adjacent chair 2) in FIG. 1, and the chair body 5 is shown in FIGS. 3, the side plate 5a is adjacent to the steel plate 2a, and the hook 5e engages with the upper end of the steel plate 2a so that the side plate 5a is separably connected to the steel plate 2a and is shared with the adjacent connecting chair 2. It becomes the side plate.

  Further, as shown in FIGS. 1, 4 and 9, the chair main body moving support portion 6 includes a fixed substrate 6a horizontally fixed to the bottom surface of the pit 3a of the floor 3, and a horizontal position above the fixed substrate 6a. The movable board 6b is arranged, and the four lower ends are pivotally supported by the fixed board 6a and the upper ends of the movable board 6b are pivotally supported by the bracket 6c of the movable board 6b to form two parallel four-link mechanisms that are parallel to each other. A link member 6d, two substantially S-shaped connection members 6e that connect the two link members 6d of each of the two four-node parallel link mechanisms, and a rod 6f that connects the connection members 6e to each other. In FIG. 9 of the two four-bar parallel link mechanism, the left two link members 6d are integrally coupled to each other, and the link member 6d is brought into contact with the coupling member 6g by swinging of the link member 6d. Bullets that limit movement to a certain limit And member 6h, and a height-adjustable stopper bolt 6i to regulate its lowered to certain limit contact with the bracket 6c.

  As a result, the movable board 6b coincides with the floor surface of the floor 3 shown in FIG. 1 by the swing of the four link members 6d of the two four-node parallel link mechanisms with respect to the fixed board 6a and the movable board 6b. Between the descending position defined by the stopper bolt 6i and the ascending position shown in FIG. 4 defined by the elastic member 6h, which is obliquely above the descending position, moving up and down diagonally in the horizontal direction. The chair body 5 can be moved up and down while moving horizontally between the use position shown in FIGS. 1 to 3 and the transfer position shown in FIGS. .

  Each of the chair body movement support portions 6 is further connected to the rod 6f so as to be swingable via a U-shaped connecting member 6j, and the cylinder rear end portion is pivotally supported by the fixed substrate 6a. Between four hydraulic cylinders 6k located side by side, a bidirectional electric pump 6l with an oil tank that performs simultaneous pumping and simultaneous discharge of hydraulic oil to these hydraulic cylinders 6k, and between the hydraulic cylinder 6k and the electric pump 6l The hydraulic fluid in the hydraulic cylinder 6k is released into the reservoir tank 6m in the event of a power failure or the failure of the electric pump 61, causing the chair body 5 to drop to its use position due to its own weight. Emergency drain bolt 6n, electric pump 6l has limit switch 6o and a key that is turned on when a key is inserted and twisted to connect the power circuit. A pitch 6p, control codes 6r from a remote controller 6q with lifting operation switch and power cord 6s supplied commercial power source is connected.

  When the chair body 5 is in the forward rotation position, the limit switch 6o is turned on by pressing the operation lever with the bracket 6t protruding from the lower surface of the rotation support plate 7a. When the chair body 5 is detected to be in the forward rotation position and is rotated clockwise from the forward rotation position shown in FIG. 5 in the same figure, the chair body 5 is arranged so as to be off from the bracket 6t. ing. As a result, when the key switch 6p is turned on and the lifting / lowering operation switch of the remote controller 6q is operated, the limit switch 6o is turned on only when the chair body 5 is positioned forward, and the electric pump 6l is activated. 5 moves up and down automatically while horizontally moving between the use position and the transfer position. Accordingly, the limit switch 6o functions as a safety lock when the chair body 5 is rotated in a direction other than the forward direction, so that the chair body 5 functions as a safety lock. While the chair user is moving between the wheelchair and the chair body 5 by rotating in the first or second transfer direction, the chair body 5 is unexpectedly moved horizontally and moved up and down. Can be prevented.

  As shown in FIGS. 10 and 11, the chair body rotation support portion 7 is an outer surface in which the rotation support plate 7 a and the square flange 7 b provided at the lower end portion are fixed on a movable substrate 6 b (not shown here). The sleeve 7c and the disk-like portion 7d screwed to the upper end portion are screwed into the outer sleeve 7c and fixed with bolts, and the intermediate portion is fixed to the outer sleeve 7c with bolts and the holes in the movable substrate 6b. An inner sleeve 7e with a bottom inserted into the inner sleeve 7; a thrust support ball 7f provided on the bottom of the inner sleeve 7e; and an upper portion and a lower portion of the inner sleeve 7e at three equal intervals in the circumferential direction radially inward. A ball-containing set screw 7g is provided for each, and a support shaft 7h is inserted into the inner sleeve 7e from the center hole of the disk-like portion 7d.

  The support shaft 7h is positioned with respect to the horizontal direction by the ball at the tip of the ball retaining screw 7g above and below the inner sleeve 7e, and positioned with respect to the vertical direction by the thrust support ball 7f, and rotates around the vertical axis AX. The pivot support plate 7a is welded and fixed to the upper end portion via a reinforcing rib 7i, so that the chair body 5 can rotate around the vertical axis AX via the chair body pivot support portion 7. It is supported by the rotation support plate 7a of the chair body movement support portion 6 so as to be movable. The support shaft 7h is prevented from coming off from the inner sleeve 7e by a bolt 7k that engages with a groove 7j provided on the outer peripheral surface thereof.

  As shown in FIGS. 1, 4 and 10, the rotation position lock portion 8 has a fixing plate 8a fixed on the disk-like portion 7d of the chair body rotation support portion 7, and the fixing plate 8a As shown in FIG. 12, a first hooking portion 8b, a second hooking portion 8c, and a third hooking portion 8d each having a notch shape are formed on the outer peripheral edge. Further, the rotation position lock unit 8 has a rotation lock pin 8e (not shown in FIG. 6) provided at, for example, one lower right side of the lower surface of the rotation support plate 7a when viewed from the seated person of the chair body 5. The rotation lock pin 8e is supported by the rotation support plate 7a so as to be movable back and forth with respect to the fixed plate 8a in the radial direction around the vertical axis AX, and is directed to the side opposite to the vertical axis AX. A knob 8f is provided at the end and is always urged toward the fixed plate 8a by a spring (not shown). In FIG. 12, the rotation support plate 7a in a state where the rotation lock pin 8e is engaged with the first engagement portion 8b is shown by a solid line, and the rotation lock pin 8e is connected to the second and third engagement portions 8c, 8d. The rotating support plates 7a that are engaged with each other are indicated by virtual lines.

  Accordingly, as shown in FIG. 5, in the state where the rotation lock pin 8e is engaged with the first engagement portion 8b, the chair body 5 is locked in the forward rotation position, and the rotation lock pin 8e is pulled by hand. After the hook is removed, the chair body 5 is rotated clockwise in FIG. 5 to be obliquely rearward, and when the rotary lock pin 8e is released and engaged with the second hook 8c, as shown in FIG. The chair body 5 is locked in the first transfer direction, which is an obliquely rearward pivot position. Further, the chair body 5 is rotated clockwise in FIG. When it is moved backward and the rotation lock pin 8e is released and engaged with the third engaging portion 8d, as shown in FIG. From the pivot position to the rotation lock again. After pulling the pin 8e by hand and removing the hook, the chair body 5 is turned counterclockwise in FIG. 5 to the front, and the rotary lock pin 8e is released to engage the first hook 8b. The chair body 5 is locked in the forward rotation position.

  The movable chair 1 of this embodiment is further fixed to the movable board 6b so as to cover the movable board 6b, most of the outer sleeve 7c and the main body of the limit switch 6o, as shown in FIGS. The key switch 6p and the connector 6u for the remote controller 6q in FIG. 1 have a lid-like cover 9 attached to the left side surface, and one end portion by a hinge below the key switch 6p and the connector 6u on the side surface of the cover 9 A closing panel 10 that is supported so as to be swingable and that has the other end slidably supported by a floor panel 15 described later having the same height as the floor surface of the floor 3 and covers the opening of the pit 3a of the floor 3. 1, the cover 9 is provided with a closing cloth 12 having one end connected to the right side surface in FIG. 1 and wound around the other end by a roller 11 pivotally supported in the pit 3a.

  As a result, as shown in FIG. 4, when the cover 9 moves obliquely upward along with the movement of the moving substrate 6b, the closing cloth 12 is fed from the roller 11 to cover the opening of the pit 3a on the floor 3, and at that time A spring 14 is elastically stretched by a wire 13 wound around a pulley integral with the rotation of the roller 11, while the cover 9 moves obliquely downward as the moving substrate 6b moves as shown in FIG. Then, the wire 13 is pulled by the elastic force of the spring 14 and the pulley and thus the roller 11 is rotated in the opposite direction to wind the closing cloth 12 around the roller 11, and the opening of the pit 3 a is covered with the closing cloth 12. To maintain. Of the opening of the pit 3a, a portion that is not covered by the cover 9, the closing panel 10, and the closing cloth 12 is covered with a removable floor panel 15, whereby the chair body 5 and the adjacent chair are covered. A normal spectator can safely walk and move on the floor 3 in front of 2.

  In the movable chair 1 of this embodiment, when the chair user transfers from the wheelchair, the chair body 5 supported by the chair body movement support portion 6 is movable as shown in FIGS. In accordance with the operation of the remote controller 6q, the chair body movement support portion 6 is automatically moved to the transfer position separated from the adjacent chair 2 by the upward movement of the moving substrate 6b by the operation of the hydraulic cylinder 6k. Interference with the adjacent chair 2 when the chair body 5 is rotated, and then the chair body 5 that the chair body rotation support portion 7 supports so as to be able to rotate is turned forward with the rotation lock pin 8e being pulled manually. 7 to the first transfer direction shown in FIG. 7 or the second transfer direction shown in FIG. 8, it is rotated around the vertical axis AX and directed toward the wheelchair W as shown in FIG. 13, and the rotary lock pin 8 e is released. Lock in that direction. When the user U is transferred from the wheelchair W to the chair body 5, the chair body 5 is manually rotated in the same direction as the adjacent chair 2 while pulling the rotation lock pin 8 e in the reverse procedure. And let go of the lock pin 8e and lock it in that direction. Next, the chair body movement support unit 6 automatically moves the chair body 5 adjacent to the adjacent chair 2 by the downward movement of the moving substrate 6b by the operation of the hydraulic cylinder 6k according to the operation of the remote controller 6q. It moves to the use position shown in FIG. In addition, when the chair user U transfers from the chair body 5 to the wheelchair W, the chair body 5 is moved to the transfer position and rotated to the wheelchair W in the same manner as described above. When the user U is transferred to W, the chair body 5 is rotated to the front facing the same direction as the adjacent chair 2, and then the chair body 5 is moved to a use position adjacent to the adjacent chair 2.

  Therefore, according to the movable chair 1 of this embodiment, since the chair body 5 can be directed to the wheelchair W when transferring to and from the wheelchair W, the user U of the chair 1 can easily transfer. While the user U who has been transferred from the wheelchair W is seated, the chair body moving support portion 6 fixed to the floor 3 and the chair body rotation support portion 7 provided there firmly support the chair body 5. The chair main body 5 having the 5c, the back 5b, and the elbow 5d provides the user U of the chair 1 with a comfortable sitting comfort similar to that of other ordinary chairs while being seated. Even when one user U has a disability, the user U can be safely held by the chair body 5, and when there is no user of the wheelchair W, the chair body 5 is attached to the adjacent chair 2. Because it is located in an adjacent use position, the normal audience can It can be used as well as comfortable child.

  Moreover, according to the movable chair 1 of this embodiment, the chair body movement support 6 swings the four-bar parallel link mechanism with the hydraulic cylinder 6k, so that the chair body 5 is automatically moved between the transfer position and the use position. As shown in FIG. 13, even when the floor is inclined or stepped and the floor 4 behind the chair is higher than the floor 3 in front of the chair. In addition, the height of the wheelchair W and the chair body 5 brought together from above the floor 4 can be matched, and the chair user U can easily transfer between the wheelchair W and the chair body 5. .

  Moreover, according to the movable chair 1 of this embodiment, the chair body movement support portion 6 has a four-bar parallel link mechanism that vertically moves the chair body 5 while horizontally moving the chair body 5 between the transfer position and the use position. Therefore, the chair body 5 can be automatically moved horizontally and vertically between the transfer position and the use position with a simple configuration.

  Furthermore, according to the movable chair 1 of this embodiment, the chair body movement support portion 6 has four hydraulic cylinders 6k that are arranged side by side and simultaneously drive the four-bar parallel link mechanism. The hydraulic cylinders 6k that drive the parallel link mechanism can be made narrower one by one and can be arranged separately from the electric pump 6l that supplies hydraulic pressure to the hydraulic cylinder 6k, so that the hydraulic cylinder 6k and the electric pump 6l that serve as power sources Can be easily stored in a small space under the chair body 5.

  Furthermore, according to the movable chair 1 of this embodiment, the chair body rotation support portion 7 selectively locks the rotation position of the chair body 5 so as to be releasable forward and first and second transfer directions. Since it has the rotation position lock | rock part 8, since the chair main body 5 can be locked toward the wheelchair W at the time of transfer between wheelchairs W, transfer can be made easier and also at the time of sitting Can lock the chair body 5 toward the same front as the adjacent chair 2, so that the chair body 5 can be made more stable.

  Furthermore, according to the movable chair 1 of this embodiment, the chair body 5 includes the hook 5e that detachably connects the chair body 5 to the adjacent connecting chair 2 in a state where the chair body 5 is positioned forward in the use position. When the chair body 5 is positioned forward in the use position, the chair body 5 can be further stabilized.

  Although the present invention has been described based on the illustrated examples, the present invention is not limited to the above-described embodiments, and can be appropriately changed within the scope of the claims. The chair body may be automatically rotated by a motor with a reduction gear, and the rotation position lock unit 8 may be electrically locked and released by a solenoid or the like. Conversely, the chair main body movement support section 6 may guide the movement of the chair main body 5 with a rail or the like, and the chair main body 5 may be moved manually. When the floor 4 is the same height as the front floor 3, only the horizontal movement is performed, and the chair body 5 is selectively and releasably locked with respect to the use position and the transfer position. The same structure as that of the lock pin 8b may be provided. The chair body 5 may have a chair shape without an elbow 5d such as a bucket seat.

  Thus, according to the movable chair of the present invention, the chair body can be directed to the wheelchair when transferring to and from the wheelchair, so that the user of the chair can easily transfer and the seating of the user who has transferred from the wheelchair. Inside, the chair body movement support means fixed to the floor and the chair body rotation support means provided there firmly support the chair body, so that the chair user having at least a seat and a back is seated on the chair user It provides the same comfortable seating as other ordinary chairs, and also stabilizes the chair body so that it can be held safely by the chair body even when the chair user has a disability. Yes, and when there is no wheelchair user, the chair body is located in the use position adjacent to the next chair so that the normal audience can use it comfortably like other normal chairs. . The movable chair of the present invention can also be used for assisting a person who does not use a wheelchair but who is somewhat incapacitated to sit and leave.

It is a front view which shows one Example of the movable chair of this invention with the adjacent chair in the state which the chair main body turned to the front at the use position. It is a top view which shows the movable chair of the said Example with an adjacent chair in the state which the chair main body turned to the front at the use position. It is a side view which shows the movable chair of the said Example in the state which the chair main body turned to the front at the use position. It is a front view which shows the movable chair of the said Example with an adjacent chair in the state in which the chair main body turned to the front at the transfer position. It is a top view which shows the movable chair of the said Example with an adjacent chair in the state in which the chair main body turned forward in the transfer position. It is a side view which shows the movable chair of the said Example with an adjacent chair in the state in which the chair main body turned forward in the transfer position. It is a top view which shows the movable chair of the said Example with the adjacent chair in the state which the chair main body became the 1st direction for transfer (backward slanting) in the transfer position. It is a top view which shows the movable chair of the said Example with a next chair in the state which the chair main body became the 2nd direction for transfer (directly back direction) in the transfer position. It is a top view which abbreviate | omits a chair main body and shows the chair main body movement support part of the movable chair of the said Example. It is sectional drawing which abbreviate | omits a chair main body rotation support part of the movable chair of the said Example, abbreviate | omitting a chair main body and a chair main body movement support part. (A), (b), (c), and (d) are the AA line in FIG. 10, the BB line, and CC which show the chair main body rotation support part of the movable chair of the said Example. It is sectional drawing which follows a line and DD line, respectively. It is a top view which omits a chair main body and a chair main body movement support part, and shows the rotation position lock hand part of the movable chair of the said Example. It is a side view which shows the movable chair of the said Example in the state which the chair main body became the 1st or 2nd direction for transfer in the transfer position.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Movable chair 2 Adjacent chair 2a Steel plate 3,4 Floor 3a Pit 5 Chair main body 5a Side plate 5b Back 5c Seat 5d Elbow 5e Connecting member (hook)
6 Chair body movement support means (chair body movement support part)
6a Fixed board 6b Moving board 6c, 6t Bracket 6d Link member 6e, 6j Connecting member 6f Rod 6g Connecting member 6h Elastic member 6i Stopper bolt 6k Hydraulic cylinder 6l Electric pump 6m Reservoir tank 6n Emergency drain bolt 6o Limit switch 6p Key switch 6p Remote controller 6r Control cord 6s Power cord 6u Connector 7 Chair body rotation support means (chair body rotation support part)
7a Rotating support plate 7b Square flange 7c Outer sleeve 7d Disk-shaped part 7e Inner sleeve 7f Thrust support ball 7g Ball set screw 7h Support shaft 7i Reinforcement rib 7j Groove 7k Bolt 8 Rotation position lock means (rotation position lock part)
8a Fixing plate 8b 1st engaging part 8c 2nd engaging part 8d 3rd engaging part 8e Rotation lock pin 8f Knob 9 Cover 10 Closing panel 11 Roller 12 Closing cloth 13 Wire 14 Spring 15 Floor panel AX Vertical axis U User W Wheelchair

Claims (6)

A viewing movable chair comprising a chair body having at least a seat and a back, wherein the chair body is movable to a transfer position where the chair body is seated or separated from the chair body ,
The movable chair for viewing is
A use position arranged in parallel next to the chair, and the chair body movable support means for movably supporting the the chair body between the spaced the ERROR position away from the adjacent chair,
In order to turn the chair body facing forward in the use position toward the transfer direction in the transfer position or from the transfer direction to the forward direction, the chair body is rotatably supported around a predetermined vertical axis. A chair body rotation support means;
With a limit switch,
When the chair body is facing forward, the limit switch is turned on to enable the chair body movement support means to move the chair body between the use position and the transfer position. A movable chair for viewing . The movable chair for viewing according to claim 1, wherein the chair main body movement support means automatically moves the chair main body horizontally and vertically between the transfer position and the use position. The movable chair for viewing according to claim 2, wherein the chair main body movement support means includes a parallel link mechanism for moving the chair main body vertically while horizontally moving between the transfer position and the use position. . The movable chair for viewing according to claim 3, wherein the chair body movement support means includes a plurality of hydraulic cylinders arranged side by side to simultaneously drive the parallel link mechanism. The chair body rotation support means includes rotation position lock means for selectively and releasably locking the chair body rotation position with respect to the forward direction and the transfer direction. Item 5. The movable chair for viewing according to any one of Items 1 to 4. The said chair main body is provided with the connection member which detachably connects to the said adjacent chair in the state which has located the chair main body in the said use position forwardly, The any one of Claim 1 thru | or 5 characterized by the above-mentioned. Movable chair for viewing as described in.

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