JPH01312155A - Movable stepped seat - Google Patents

Abstract

PURPOSE:To make it possible to move the whole movable stepped seat without causing any damage in a floor surface by levitating a base to hold movable stepped seats and the lowest stepped floor boards from the floor surface by the effect of air bearing. CONSTITUTION:A large number of floor boards 1 provided with folding chairs 2 respectively are laminated in longitudinal directions. The highest stepped floor boards (A) are held by a floor surface (F) through a proper base 3, at the same time, each of the floor boards 1 of the second to the lowest step is formed along upward floor boards 1 respectively so that it is capable of moving, and the lowest stepped floor boards (B) are held by the floor surface (F). The base 3 and the bottom of the lowest stepped floor boards (B) are of an air bearing construction. According to the constitution, the base 3 and the lowest stepped floor boards (B) are levitated from the floor surface (F) by the effect of air bearing, and the movable stepped seats can be freely moved.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a movable stepped seat that is ideal for use in multipurpose halls, gymnasiums, and the like.

[Conventional technology]

Multi-purpose halls, gymnasiums, etc. sometimes require stair-shaped seats such as spectator seats, and to meet such requests, variable stairs with the structure shown in Figure 3 have traditionally been used. It has been proposed that the seats be

To explain briefly, the adjustable stepped seat according to the proposal is:
A number of floorboards 2 each with a folding chair l - [
- Laminated in a downward direction.

For example, it is fixedly connected to the wall W of the hall H via the uppermost floor plate 2 or a suitable base 3, while
Each floor plate 2 from the second stage to the lowest stage is formed so as to be movable (forward and backward) along with the floor plate 2 above.

Furthermore, the floorboard 2 at the lowest level has wheels 4 on its lower surface side, and the wheels 4 roll on the floor surface F of the hall H by being driven by an electric motor or the like (not shown).

Note that between the floor plates 2 stacked in the vertical direction, the forward movement M (and the backward movement M) of the lower floor plate 2 is regulated by the -L side of the floor plate 2.

Therefore, when the lowest floor plate 2 is moved forward by driving an electric motor or the like, the upper floor plates 2 move forward one after another to form a stepped floor, and when the stepped floor is formed, By standing up the folding chairs on each floorboard 2, a desired stepped seat is formed.

When it is not in use, when the bottom floor plate 2 is moved backward, one floor plate 2 follows the retreat of the lower floor plate 2 by -1.
The floorboards 2 are sequentially retreated, and the floorboards 2 are stacked on top of each other on the wall surface W of the hall H, etc., and are in a stored state.

[Invention or problem to be solved]

However, in the above-mentioned conventional proposal, there are disadvantages such as not being able to form a stepped seat in any direction and leaving scratches on the floor surface F.

That is, the variable stepped seat according to the conventional proposal described above is fixedly connected to the wall W of the hall H via the uppermost floor plate 2 on the rear end side or the base 3. The forward direction of the lowermost side floorboard 2 is perpendicular to the wall surface W, and there is a problem in that the seat cannot be oriented in a changed direction, such as when the seat is tilted from the vertical direction.

In addition, in the variable stepped seat according to the conventional proposal, when the bottom floor plate 2 moves forward and backward, the wheels 4 disposed on the lower surface side roll the floor surface F of the hall H. Since the entire load of one side is acting on the floor plate 2 of the first step, traces of the wheels 4 will remain on the floor F of the hall H as a result of this full load acting. This may lead to the so-called damage phenomenon.

The variable stepped seat according to the conventional proposal described above is
Since it cannot be easily separated from the wall surface W etc. of the hall H, even when not in use, it is left in a stacked state along the wall surface W etc., or to avoid this, the hangar etc. There is a disadvantage that it must be formed within the hole H or within the marking wall surface W, etc.

This invention was invented in view of the above-mentioned circumstances, and the first objective is to make it possible to move the entire floor without inconveniences such as leaving scratches on the floor. To provide a new movable stepped seat which can form a stepped seat in any direction and does not necessarily require the formation of a hangar in a hall or wall surface.

(Means for Solving the Problems) In order to achieve the object set forth in (1), the configuration of the movable stepped seat according to the present invention is such that a plurality of floorboards each having a folding chair are stacked downwardly. As it becomes, the most
The floorboards of the F tier are supported on the floor via a suitable base, and each of the floorboards of the second to the lowest tiers is formed to be movable next to the floorboard of the -L side, Furthermore, j
It is characterized by being supported by the lowermost floorboard or the floorboard, and having an air hair link structure between the base and the lower surface of the lowermost floorboard.

(Function) Therefore, the base and the lowermost floorboard are floated from the floor surface by the air bearing link effect, that is, the movable stepped seat is floated from the floor surface, allowing its free movement. 6 When the movable stepped seat reaches a predetermined position in its floating state, the air hair link effect at the base is eliminated, while the air bear link effect at the bottom floor plate is utilized. Then, the lowermost floor plate is advanced in a desired direction.

Further, when the lowest floor plate reaches a predetermined position, the air bear link effect there is canceled and it is fixed on the floor surface, thereby fixing the movable stepped seat at the predetermined position.

In addition, in order to bring the movable stepped seats into a stacked state, which is the state when not in use, the work described in -1- is reversed.

When necessary, the stacked movable stepped seats are moved to a desired position by an air-hair link effect in the base and the bottom floorboard.

(Example) The present invention will be described below based on the example shown in the drawings.

As shown in FIG. 1, the movable stepped seat according to the present invention includes a large number of floorboards 1, a base 3, and a plurality of supports 5, and when in use (in the state shown in the figure) In this case, the large number of floor plates 1 are moved forward to form a stepped floor, and when not in use, the large number of floor plates 1 are moved back (not shown) or stored in a stacked state below. Become.

Each of the floorboards 1 is formed to have a folding chair 2, and the folding chair 2 is pivoted to the bottom end of the floorboard 1 or to the surface of the floorboard 1 indicated by the arrow in the figure. As shown, it is said to be able to rise and fall freely.

Incidentally, the raising and lowering operation of the folding chair 2 is performed manually in the illustrated example, or may be so-called automatic operation using an appropriate drive source.

-I-Reporter floorboard l is in the front-rear direction, which is the left-right force direction in the figure.
In principle, each floorboard 1 is formed to have a size of 1.5 times, but the two-most floorboard 1 is formed in such a way that a suitable base 3, which will be described later, is connected to the bottom surface of the other floorboard 1. It is formed slightly larger than that of , and the bottom floor plate 1 is
It has a support base part 6 on its lower surface side.

A seat plate 6a is disposed on the lower surface of the support base portion 6, and the lower surface of the seat plate 6a is in contact with the floor surface F.

In addition, among the above-mentioned floor plates 1, each of the second to Fth tier floor plates 1 is formed to be horizontally movable in the front-rear direction, which is the left-right direction in the figure, along with the upper floor plate 1, respectively. The amount of advance (and the amount of retreat) is regulated by the floor plate 2 above each.

Furthermore, storage portions 1a for storing the folding chairs 2 are provided inside the front side (left side in the figure) of each of the floorboards 1 except for the bottom floorboard 1.

The base 3 supports the floor plate L of the lowest level in a so-called cantilever structure, and has a seat plate 3a disposed at its lower end. It is in contact.

The structure of the base 3 is not particularly limited, and is preferably a lightweight structure such as a frame structure.

The support column 5 supports the floor plate 1 in a so-called cantilever structure, similar to the ■-2 record stand 3, and a stabilizing plate 5a is disposed at its lower end, and the lower surface of the stabilizer plate 5a or the floor It is in contact with surface F.

Note that the pillars 5 are not connected to all the floorboards 1, but are connected only to a selected plurality of floorboards 1.

However, in this invention, the support section 6, the base 3
Each lower surface of the support column 5 is formed so as to selectively exert an air bearing effect (air butt effect) on the floor surface F below.

That is, the air bearing link effect described in item 1 is obtained by the air hair link mechanism IO. In the C2 support section 6, an appropriate drive source 1 such as an electric motor constituting the air bearing mechanism IO is installed. A compressor 12 driven by the drive source 11 is disposed, and an air hair link mechanism 10 is provided between the support section 6, the base 3, and the column 5.
pipes which constitute the above-mentioned compressor 12 and supply compressed air from the compressor 12] 3, and a support part 6,
A tire flam 14 constituting the air bear link mechanism 10 is arranged on the lower surfaces of the seat plates 6a, 3a and the stabilizer plate 5a, which are the lower surfaces of the base 3 and the support column 5, as shown in the second U'A. There is.

The diaphragm 14 is formed into an annular shape, and has a plurality of blow-off holes 14a opened at appropriate intervals on its inner circumferential side, and compressed air is blown out from the blow-off holes 1.4a. It is set so that it concentrates in the central hollow part of the tire flam 14.

Further, inside the diaphragm 14, there is a seat plate 5a.

The compressed air from the compressor 12 is supplied through a through hole 15 formed to penetrate through each wall of the stabilizing plate 3a and the stabilizing plate 5a.
or connected.

In the movable stepped seat according to the present invention formed as described above, the compressed air from the compressor 12 is supplied into the tire flam 14, so that the support part 6, the base 3
A so-called air film is formed between each lower surface of the support column 5 and the lower floor surface F, that is, an air hair ring is disposed between each of the lower surfaces and the slope surface F. Therefore, the F support section 6, the base 3, and the column 5 are floated from the floor surface F due to this air bear link effect.

Therefore, when the movable stepped seat is moved, it is lifted off the floor F and can be moved freely with a small amount of force.

During this movement, the lower end of the movable stepped seat does not come into contact with the floor F, so that no inconveniences such as scratches on the floor F are caused due to the movement of the movable stepped seat.

When the movable stepped seat is moved freely as described above, or when the seat reaches a predetermined placement position, the direction of the seat is set, and only the air hair ring effect on the base 3 is eliminated. On the other hand, by utilizing the air bear link effect in the lowest floor plate 1, that is, the support base part 6, the lowest floor plate 1 connected to the support base part 6 is advanced in a desired direction. .

When the lowest floor plate 1 reaches a predetermined position, the air bear link effect in the support section 6 is canceled and the lowest floor plate 1 is fixed on the floor surface F, and the movable stepped seat is fixed. It will be fixed in place.

In addition, in order to bring the movable stepped seats into a stacked state, which is the state when not in use, it is sufficient to perform the work in reverse to the above-mentioned work.
As a result, the movable stepped seats are stacked in a stacked state.
When necessary, the air bearing effect in the base 3, column 5, and support part 6 is used to move it to a desired position.

〔Effect of the invention〕

As described below, according to the present invention, when the movable stepped seat is moved, the base, support column, and bottom floor plate are suspended from the floor surface due to the air bearing effect, so that even a slight acting force is required. Of course, it becomes possible to freely move seats, and it also becomes possible to form stepped seats in any direction.In this case, there is an advantage that the floor surface will not be damaged, and it is not necessarily possible to move inside the hall or It has the advantage that it is not necessary to form a containment area within the wall surface, etc.

[Brief explanation of the drawing]

Fig. 1 is a side view showing the state in which the movable stepped seat according to the present invention is used, Fig. 2 is an enlarged vertical sectional view partially showing the air bearing link structure in the present invention, and Fig. 3 is a conventional variable type seat. It is a side view showing a stepped seat. [Explanation of symbols]

Claims (1)

[Claims] A large number of floorboards each having a folding chair are stacked vertically, the topmost floorboard is supported on the floor via a suitable base, and each of the second to bottom floorboards are formed so as to be movable along the upper floor plates, and further, the lowermost floor plate is supported by the floor surface, and the lower surface of the base and the lowermost floor plate has an air bearing structure. A movable tiered seat featuring a