WO2015155870A1

WO2015155870A1 - Mobile grandstand

Info

Publication number: WO2015155870A1
Application number: PCT/JP2014/060406
Authority: WO
Inventors: 章吉森
Original assignee: コトブキシーティング株式会社
Priority date: 2014-04-10
Filing date: 2014-04-10
Publication date: 2015-10-15

Abstract

[Problem] To impart degrees of freedom to a method for using a mobile grandstand. [Solution] The mobile grandstand, which is provided with a plurality of levels of floor platforms that move forwards and backwards in lockstep with each other, is characterized by being provided with: a floor platform moving means that moves the plurality of levels of floor platforms between a normal deployment state, in which the plurality of levels of floor platforms are offset from each other by a predetermined length and are deployed in a staircase shape, and a shortened deployment state in which the plurality of levels of floor platforms are offset from each other by a shorter length than the predetermined length and are deployed in a staircase shape; and a floor platform affixing means that selectively affixes the plurality of levels of floor platforms in the normal deployment state and the shortened deployment state.

Description

Mobile bleachers

The present invention relates to a moving bleacher that includes a plurality of floors that move back and forth in conjunction with each other, and more particularly, to a movable bleacher that can change the length of the entire moving bleacher.

Conventionally, as a traveling bleacher having a plurality of floors that move back and forth in conjunction with each other, for example, the traveling bleacher previously disclosed in Patent Document 1 by the applicant of the present application is known. , A multi-level floor base, a seat-raising type connected chair mounted side by side so that it can be tilted one by one on each floor base, and each floor base supported in a horizontal state so as to be movable in the front-rear direction of the connected chair In addition, each floor pedestal is supported by the penetrating material in front of the penetrating material. The connecting chair has a floor material extending horizontally in the left-right direction, and the leg portion is connected to a plurality of parts spaced apart in the longitudinal direction of the penetrating member, and the upper end portion is coupled to the leg member so as to extend downward from the penetrating member. A plurality of existing columns, and the chairs connected to the lower ends of these columns near the rear end. It has a plurality of legs material extending longitudinally, and a moving roller which are provided at their leg member.

In this movable seat, the lengths of the plurality of columns differ from each other by the level difference between the floors for each floor, and the interval between the penetrating parts to which the upper ends of the plurality of columns are coupled is Each stage is slightly different, so when it is installed in a hall, etc., the multi-stage floor bases move out of alignment with each other due to the back and forth movement of the multi-stage floor bases on the floor of the installation location. The connected chair can be used as a viewing seat, and the storage stage can be stored in the recessed portion of the wall of the installation place where the multi-stage floor bases are vertically aligned with each other. When in the storage state, the connecting chair is turned down and stored between the floor materials in a flat storage posture.

Japanese Patent No. 3903354

By the way, when the present inventor further researched the above-mentioned conventional mobile bleachers, he found the following room for improvement. That is, in the above-mentioned conventional mobile bleachers, since the use state occupies most of the floor surface of the installation place or the storage state is vacated, and there is no degree of freedom in the usage method, for example, installation There is an inconvenience that it is impossible to select a usage method such as providing a small seating area at the place and making the floor in front of it available for use at a performance.

On the other hand, according to the knowledge of the present inventor, it has also been found that depending on the installation location, it is not always required to place the moving bleachers in the storage state.

The present invention advantageously solves the problems of the conventional mobile bleacher seats in view of the above-mentioned knowledge, and the mobile auditorium seat of the present invention includes a plurality of floors that move back and forth in conjunction with each other. In the moving bleachers, the multi-stage floor pedestals are deployed in a normal deployment state where the multi-stage floor pedestals are shifted by a predetermined length from each other in a staircase pattern, and the multi-stage floor pedestals are shorter than the predetermined length. A floor platform moving means that moves between a shortened deployment state that develops in a staircase shape shifted by a length, and the plurality of floor platforms, selectively in the normal deployment state and the shortened deployment state It comprises a floor base fixing means for fixing.

In the mobile bleachers of the present invention, the floor platform moving means develops a plurality of floor platforms that move back and forth in conjunction with each other, and the plurality of floor platforms are displaced in a staircase from each other by a predetermined length. The base plate is moved between a normal unfolded state and a shortened unfolded state in which the plurality of steps of the floor pedestals are shifted from each other by a length shorter than the predetermined length, and a floor pedestal fixing means is Are fixed to the normal deployment state and the shortened deployment state selectively.

Therefore, according to the mobile auditorium of the present invention, a plurality of floor bases are placed on each floor base having a large area as a normal deployment state in which the plurality of floor bases are shifted from each other by a predetermined length in a staircase shape. By arranging multiple rows of chairs, or allowing a large number of spectators to sit directly, it can be used as a multi-person seat, and the multi-level floor base can be used as a multi-level floor base. One or more rows of chairs are arranged on each floor base with a small area as a shortened deployed state that is shifted by a length shorter than the predetermined length from each other, or a small number of spectators. Can be used as a seat for a small number of people, and at the same time, the floor in front of the mobile seat in the shortened unfolded state can be used for performances, etc. How to use a moving bleacher It is possible to give a degree of freedom.

The mobile auditorium of the present invention comprises a plurality of rows of chairs provided side by side on the plurality of floors, and the chairs are provided side by side or one or more rows on each floor. One or more rows of chairs on each floor base or one or more rows of chairs including the front row of the plurality of rows of chairs on each floor base are fixed to the floor base in use, and each floor base is Chairs in a row after the row of chairs fixed in the use state above may be provided so as to prevent interference with other floor bases.

In this configuration, when a plurality of floors are shifted from each other by a predetermined length and are in a normal deployment state where they are deployed in a staircase shape, one or more rows of chairs or multiple rows of chairs on each floor While one or more rows of chairs including the foremost row are fixed in use, chairs in rows after chair rows fixed in the use state among chairs in multiple rows on each floor base All the chairs in a plurality of rows can be used as bleachers. In addition, when a plurality of steps of bases are shifted from each other by a length shorter than a predetermined length and are in a shortened deployment state in which they are deployed in a staircase shape, While one or more rows of chairs including the front row are fixed in use, chairs in rows after the row of chairs fixed in use in the rows of chairs on each floor stand It is removed from the top or brought down on the floor base and stored between the floor materials of the plurality of floor bases to prevent interference with other floor bases.

Therefore, according to this configuration, all of the plurality of rows of chairs can be used as a spectator seat by placing the plurality of floor pedestals in a normal deployment state in which they are shifted from each other by a predetermined length and deployed in a staircase shape. In addition, one or a plurality of rows including the foremost row on each floor platform is fixed by setting the plurality of floor platforms in a shortened unfolded state in which they are shifted from each other by a length shorter than a predetermined length and developed in a staircase pattern. Can be used as a bleacher, and at the same time, the floor in front of the movable bleachers can be made available for performances, etc., giving the freedom to use the movable bleachers. .

Further, in the traveling bleachers of the present invention, the plurality of rows of chairs on each floor base may be provided at the same height on the floor base, but in a row behind the chairs in the front row. The chair may be located higher, and this is preferable because it makes it easier for the audience seated on the chairs in the rear row to see the front.

Furthermore, in the traveling bleachers of the present invention, the chairs in the row behind the row of chairs fixed in the use state may be detachably placed on the floor base. It may be possible to prevent it from colliding with other floor bases by being placed in a tilted position, and in this way, it can move between the normal deployed state and the shortened deployed state. It is preferable that the chairs in the rear row on each floor base do not need to be carried in and out of the floor base when the bleacher is moved back and forth.

(A), (b) and (c) are a plan view, a side view, and a cross-sectional view at the center in the left-right direction, showing an embodiment of a moving seat of the present invention in a normal unfolded state. (A), (b), and (c) are the top views, side views, and sectional views in the center in the left-right direction showing the mobile auditorium of the above embodiment in a shortened unfolded state. (A) is a side view showing a hooked state between floor bases when the mobile seat of the above embodiment is in a normal unfolded state, and (b) and (c) are enlarged views of part A in (a). The front view and side view to show, (d) is a side view which shows the engagement state of the floor bases at the time of making the movable bleacher seat of the said embodiment into a shortened expansion state. (A) And (b) is the top view and side view which abbreviate | omit another part and show the state of the advancing / retreating drive mechanism at the time of making the movable seat of the said embodiment into a normal expansion | deployment state. It is a top view which abbreviate | omits another part and shows the state of the advancing / retreating drive mechanism at the time of making the movable bleacher seat of the said embodiment into a shortened expansion state.

Hereinafter, embodiments of the present invention will be described in detail by way of examples based on the drawings. Here, FIG. 1 (a), FIG. 1 (b), and FIG. 1 (c) are a plan view, a side view, and a left-right central portion showing one embodiment of the mobile bleacher seat of the present invention in a normal unfolded state. 2 (a), 2 (b) and 2 (c) are a plan view, a side view and a cross section at the center in the left-right direction, showing the mobile seat of the embodiment in a shortened unfolded state. FIG.

The mobile bleachers in this embodiment are used by being installed on the floor surface F of the installation place such as a hall, etc., and a multi-level (5 in the illustrated example) floor base 1 and a rearmost floor base 1. Each floor base 1 is horizontal except for the standing upright

type connecting chairs

2A and 2B arranged side by side in a plurality of rows (two rows in the illustrated example) on each floor base 1 except for Each of the floors except for the last floor base 1 is provided with leg portions 3 that support the linking

chairs

2A and 2B so as to be movable in the front-rear direction and interlock the floor bases 1 with each other. Of the two rows of connecting

chairs

2A and 2B on the table 1, the connecting chair 2A on the front side is fixedly mounted on the floor base 1 in use, while the connecting chair 2B on the rear side is raised up as shown in FIG. Motor-driven chair tilting device that tilts the connecting chair 2B between the state and the retracted state shown in FIG. Raisably capable mounted on the floor stand 1 through 2C.

On the last floor 1, seated upright-type connecting chairs 2 A arranged side by side in a row are fixedly mounted in a raised state of use, and legs 3 that support the last floor 1. Is fixed on the floor surface F of the place where the mobile auditorium is installed. Note that the connecting

chairs

2A and 2B here have a known configuration similar to that provided in the above-mentioned moving bleaching seat described in Patent Document 1, for example. Therefore, the connecting chair 2B on the rear side is When the chair is tilted forward by the chair raising / lowering device 2C, a generally flat storage posture is obtained. Further, the chair raising / lowering device 2 C here also has a known configuration similar to the one provided with the moving seat described in Patent Document 1 described above, for example.

Each floor base 1 has a penetrating member 4 extending horizontally in the left-right direction of the connecting

chairs

2A, 2B, and a left end of the connecting

chair

2A, 2B in front of the penetrating member 4 with a rear end supported by the penetrating member 4. Each leg 3 is connected to a plurality of parts spaced apart in the longitudinal direction of the penetrating member 4, and upper ends thereof are coupled to the penetrating member 4 from the penetrating member 4, respectively. Two rear struts 6 that extend downward, and two rear struts 6 that are respectively positioned in front of the rear struts 6 and that have upper ends connected to the lower surface of the flooring 5 and extend downward from the flooring 5. Except for the front strut 7, the plurality of legs 8 coupled to the lower ends of the

struts

6, 7 and extending in the front-rear direction of the connecting chair 2, and the legs 8 except for the rearmost floor 1. Each of which is provided with a moving roller 9 provided on the floor F without the moving roller 9. It is directly fixed.

A step portion 10 is provided on the rear portion of the floor material 5 of each floor base 1, and a motor-driven chair raising / lowering device 2 C for raising and lowering the connecting chair 2 B is mounted on the step portion 10. Of the two rows of connecting

chairs

2A and 2B on the table 1, the connecting chair 2B on the rear side is arranged so as to be positioned higher than the connecting chair 2A on the front side in the used state where it is raised. Further, in order to form a step with an appropriate level even in the case where the moving bleacher is in a shortened unfolded state, a step 11 having substantially the same height as the step 10 is provided at the center in the left-right direction of each flooring 5. 10 is fixed in front.

In this embodiment, the lengths of the two rear struts 6 and the front struts 7 are different from each other by the level difference between the floor bases 1 for each floor base 1 and the upper ends of the two rear struts 6. Since the interval between the parts of the penetrating material 4 to which the parts are joined differs slightly for each floor base 1, the plurality of floor bases 1 on the floor surface F at the installation location to the front of the connecting

chairs

2A and 2B Due to the forward movement and backward movement of the connecting

chairs

2A, 2B, as shown in FIG. 1, a plurality of floors 1 are shifted from each other by a predetermined length different from each other and developed in a staircase shape. 2A and 2B both can be used as a viewing seat, and as shown in FIG. 2, the multi-stage floor bases 1 are shifted from each other by a length shorter than the predetermined length and connected in a stepped manner. A shortened unfolded state where only the chair 2A can be used as a bleachers. It can be selected.

Here, when the normal deployment state is set, the connecting chair 2B in the rear row is raised by the chair tilting device 2C and fixed in the use posture. The connecting chair 2B is tilted forward by the chair raising / lowering device 2C to be in the storage posture, and is stored between the step portion 10 and the floor material 5 on the stepped portion 10 so that the connecting chair 2B in the rear row and the upper floor are stored. Interference with the flooring 5 of the table 1 is prevented.

FIG. 3A is a side view representatively showing the second and third floor bases from the front when the mobile seat of the above embodiment is in the normal unfolded state. b) and FIG. 3C are a front view and a side view showing an enlarged view of the portion A in FIG. 3A, and FIG. 3D is a diagram when the mobile seat in the above embodiment is in a shortened unfolded state. It is a side view which shows representatively the engagement state of the floor bases about the 2nd and 3rd floor bases from the front, and the upper surface of the front end part of the leg material 8 of each floor base 1 except the frontmost base 1 As shown in the figure, a hooking piece 12 protruding inward in the lateral direction is fixed. In addition, as shown in FIG. 3B, the front column 7 of the second to fourth floor base 1 from the front is fixed to the leg member 8 at the lower end portion through an inverted L-shaped angle member. Since there is a gap between the lower end portion of the front strut 7 and the leg member 8 so that the engaging piece 12 on the leg member 8 adjacent to the outside can pass in the front-rear direction, the engaging piece on the leg member 8 adjacent to the outer side. It is possible to move back and forth without linking with 12.

As a result, when the front of the floor 1 is moved forward from the shortened and unfolded state, the movable seat of this embodiment is a hook piece at the front end of the leg 8 of the leg 3 of the second floor 1 from the front. 12 is engaged with the front surface of the rear column 6 of the leg 3 of the foremost floor base 1, whereby the second floor base 1 from the front is pulled by the rear column 6 of the frontmost floor base 1 and moves forward. Then, as shown in FIGS. 3 (b) and 3 (c), the engaging piece 12 of the front end portion of the leg 8 of the leg 3 of the third floor base 1 from the front of the floor base 1 second from the front It engages with the front surface of the rear column 6 of the leg 3 so that the third floor base 1 from the front is pulled by the rear column 6 of the second floor base 1 from the front and moves forward. The hooking piece 12 at the front end of the leg 8 of the leg 3 of the last floor base 1 fixed on the surface F is connected to the front of the rear column 6 of the leg 3 of the floor 1 in front of the hook. Combined and until arrest the floor bases 1, each floor bases 1, except for the floor board 1 of the last part is moved forward, the above normal expanded state.

Further, in the mobile bleachers of this embodiment, when the foremost floor pedestal 1 is moved backward from the normal deployed state, the penetrating material 4 of each floor pedestal 1 extends over the entire length of the flooring 5 and the floor. Since the material 5 is supported, the penetrating material 4 of the foremost floor base 1 is engaged with the front surface of the front strut 7 of the leg 3 of the second floor base 1 from the front, whereby the second from the front. When the floor 1 is pushed by the penetrating material 4 of the foremost floor base 1 and moves backward, as shown in FIG. 3D, the penetrating material 4 of the second floor base 1 from the front is 3 It engages with the front surface of the front strut 7 of the leg 3 of the second floor 1 so that the third floor 1 from the front is pushed by the penetrating material 4 of the second floor 1 from the front and moves backward. In this manner, until the front column 7 of the leg 3 of the last floor base 1 fixed on the floor F is engaged with the penetrating material 4 of the previous floor base 1 and presses down the floor base 1. The last part Table 1 the floor bases 1 is moved backward with the exception of, the above shortening deployed state.

4A and 4B are a plan view and a side view showing the state of the advancing / retreating drive mechanism with the other parts omitted, when the mobile auditorium of the above embodiment is in the normal unfolded state, and FIG. FIG. 5 is a plan view showing the state of the advancing / retreating drive mechanism in the other embodiment with the other parts omitted when the mobile seat of the embodiment is set to the shortened unfolded state.

Further, in the mobile seat of this embodiment, the two legs 8 of the leg 3 that supports the foremost floor base 1 are integrated with each other by the connecting member 13 and the two braces 14 arranged between them. On the other hand, a strong frame structure is formed, and on the other hand, on the floor surface F in the recess formed on the wall surface of the installation place of the moving seat, the motor-driven moving seat driving as the floor moving means The device 15 is fixedly installed, and this movable seat driving device 15 drives the drum 15b to rotate forward and backward by a motor 15a with a brake, and in FIG. 4, the belt-like chain 16 wound on the drum 15b and having wheels on each connecting piece is fed out, and the belt-like chain 16 is wound around the drum 15b by reverse rotation of the drum 15b. . And the front-end | tip part of the strip | belt-shaped chain 16 is connected with the connection material 13 which couple | bonds the two leg members 8 of the leg part 3 which supports the foremost floor base 1. FIG.

When the traveling bleacher seat driving device 15 unwinds the belt-like chain 16 wound on the drum 15b, the hooking pieces 12 at the front ends of the two legs 8 of each floor base 1 excluding the frontmost floor base 1 are As shown in FIG. 4, each floor pedestal 1 except the rearmost floor pedestal 1 moves forward as shown in FIG. Further, when the mobile seat driving device 15 winds the belt-like chain 16 on the drum 15b, the penetrating material 4 of each floor base 1 except the rearmost floor base 1 is connected to the front column 7 of the rear floor base 1. As shown in FIG. 5, each floor pedestal 1 except for the rearmost floor pedestal 1 moves backward to enter the shortened unfolded state. Since the rearmost floor base 1 is fixed on the floor F in advance, in each of the normal deployed state and the shortened deployed state, the moving bleacher seat drive device 15 activates the brake of the motor 15a to activate the drum 15b. As a result, by fixing the foremost floor base 1 on the floor surface F via the belt-like chain 16, all the floor bases 1 are fixed on the floor surface F. Therefore, the engaging piece 12 and the moving bleacher driving device 15 function as a floor base fixing means.

Therefore, according to the mobile bleacher of this embodiment, the multi-stage floor base 1 is extended and deployed in the stair-like normal unfolded state so that all of the plurality of rows of connecting

chairs

2A and 2B can be used as the bleachers. In addition, it is possible to use only the connecting chair 2A in the front row fixed on each floor base 1 as a bleacher seat by expanding the multi-level floor base 1 into a stair-like shortened and unfolded state. Since the floor F in front of the seat can be made available for performances and the like, it is possible to give a degree of freedom to the usage method of the moving seat.

Further, according to the traveling bleachers of this embodiment, the two rows of connecting

chairs

2A and 2B on each floor base 1 excluding the rearmost portion are located higher in the rear row connecting chair 2B than in the front row connecting chair 2A. Therefore, the audience sitting on the connecting chair 2B in the rear row can easily see the front without being obstructed by the heads of the audience sitting on the connecting chair 2A in the front row.

Furthermore, according to the mobile bleachers of this embodiment, the rear row connecting chairs 2B behind the front row connecting chairs 2A fixed in use are provided on the floor 1 so that they can be tilted up and down. Since it is possible to prevent interference with other floor bases 1 by adopting a stowed storage position when the stepped floor base 1 is shortened and deployed in a staircase shape, between the normal deployed state and the shortened deployed state It is possible to save the trouble of carrying in and out of the connecting chair 2 B in the rear row on each floor base 1 when moving the moving seat.

Although the present invention has been described based on the illustrated examples, the present invention is not limited to the above-described examples, and can be appropriately changed within the scope of the claims. Row chairs may be provided at the same height on the floor. Further, chairs in a row behind the row of chairs fixed in the use state may be detachably placed on the floor.

Furthermore, although the number of floors is 5 in the illustrated example, it can be appropriately increased or decreased to 6 or more or 4 or less as required, and a row of chairs on each floor In the illustrated example, the number of the fixed chairs and the chairs that can be raised and lowered is one row, but the number can be appropriately increased to two or more rows as required.

Further, in the above embodiment, the method for moving the respective floor bases between the normal deployment state and the reduced deployment state of the moving bleachers and the fixing method in the expanded state are as follows. The combination of the engagement piece and the strut is combined with the forward / backward drive of the foremost platform by a belt-like chain that is moved in and out by a drum driven by a motor with a brake, which is fixed on the floor. For example, the engagement between the legs of the multiple-stage floor base and the known lock cam that engages with the engagement piece in the front-rear direction and the engagement released at the next-stage engagement piece, and the front-most floor base It may be performed by other means such as a combination with a provided self-propelled drive device with a brake, or the floor may be moved manually and the floor may be fixed by a wedge-shaped wheel stop or the like.

Furthermore, although the plurality of rows of chairs on each floor base are connected chairs in the above embodiment, they may be separate chairs separated by one person, or the connected chairs and the single chairs may be in the same row or separate rows. You may arrange and combine.

Furthermore, on any one of the floors, as in the last floor of the above embodiment, only one or a plurality of rows of chairs fixed in the use state are provided, or in a normally deployed state of a moving seat, The chairs in the row behind the row of chairs fixed in the use state on any floor stand are removed or left in the storage position, and a passage or the like is appropriately provided after the row of chairs fixed in the use state. You may make it provide.

And in the said embodiment, although the chair was provided on each floor base, in any one or more of the multi-stage floor base, a chair is not provided, but the floor base or the floor material which spread mats, carpets, etc. is exposed. The audience may be allowed to sit directly on the floor and view.

Thus, according to the traveling bleachers of the present invention, the multi-stage floor pedestals are placed on each floor pedestal having a large area as a normal unfolded state in which the multi-stage floor pedestals are shifted by a predetermined length from each other in a staircase shape. By arranging multiple rows of chairs or allowing a large number of spectators to sit directly, it can be used as a multi-seat viewing seat, and the multi-level floor bases can be connected to each other. As a shortened unfolded state that develops in a staircase pattern shifted by a length shorter than the predetermined length, one or more rows of chairs are arranged on each floor base in a small area than in the normal unfolded state, or a small number of audience members By making it possible to sit directly, it can be used as a bleacher for a small number of people, and at the same time, it can be used for performances etc. with the floor surface in front of the shortened unfolded movable bleacher seat being used. How to use the bleachers It is possible to give a degree of freedom.

DESCRIPTION OF SYMBOLS 1

Floor base

2A, 2B Connection chair 2C Chair raising / lowering device 3 Leg part 4 Penetration material 5 Floor material 6 Back column 7 Front column 8 Leg material 9 Moving roller 10 Step part 11 Step 12 Engagement piece 13 Connection material 14 Brace 15 Movement Blind seat drive device 15a Motor 15b Drum 16 Strip chain F Floor

Claims

In the traveling bleachers that have multiple floors that move back and forth in conjunction with each other,
The multi-stage floor pedestal is developed in a staircase shape in which the multi-stage floor pedestals are shifted from each other by a predetermined length, and the multi-stage floor pedestals are shifted from each other by a length shorter than the predetermined length. A floor platform moving means for moving between a shortened expanded state that expands in a staircase shape;
A floor pedestal fixing means for selectively fixing the plurality of floor pedestals to the normal deployment state and the shortened deployment state;
A moving bleacher, characterized by comprising
Comprising a plurality of rows of chairs arranged side by side on the plurality of floors;
The chairs are provided side by side or on one or more rows on each floor base,
One or more rows of chairs on each floor pedestal, or one or more rows of chairs including the front row of the plurality of rows of chairs on each floor pedestal are fixed to the floor pedestal in use,
2. The movement according to claim 1, wherein chairs in a row after the row of chairs fixed in the use state on each floor base are provided so as to prevent interference with other floor bases. Bleachers.
3. The plurality of rows of chairs on each floor pedestal are positioned higher on chairs in the rear row by being disposed on a step provided on the floor pedestal. Moving bleachers.
The chairs in the row after the row of chairs fixed in the use state are provided on the floor stand so as to be able to rise and fall, and can be prevented from interfering with other floor stands by being in a fallen state. The mobile bleachers according to claim 2 or 3, characterized in that: