JP2529584Y2 - Flatbed mobile seating device - Google Patents

Description

[Detailed description of the invention]

[0001]

INVENTION The present invention relates, in gymnasiums, when not required housed under the floor of the stage, to flat bed moving stand device that will be used it is extruded in the stage ahead of the floor when necessary.

[0002]

2. Description of the Related Art In recent years, in a gymnasium or the like, in order to utilize the hall for various purposes, a flat table on which a large number of folding chairs are mounted is pulled out on the floor when necessary, and stored under the floor of the stage when unnecessary. More and more flat platform mobile seats are being installed.

[0003] Such a grandstand is, for example, a real fair 1-131.
No. 43, JP-A-63-159055, JP-A-3-50166 and the like.

[0004]

The present invention is to provide a However, many of the conventional ones, when pulling out the bleachers to the floor, and the distance between the bleachers and the stage is rather narrow, Ri inconvenience der to passage of the audience, or
Was, the audience of the front row, now look up at the stage, there were many fatigue along with the field of vision is narrowed.

The apparatus disclosed in Japanese Utility Model Laid-Open Publication No. Hei 3-50166 separates a seat and a drive unit for moving the seat , so that the seat can be installed at a position sufficiently distant from the stage. The problem of is solved.

However, in this device, the drive unit is a self-propelled type.
Because it is, the poor flatness of the floor surface, TURMERIC mad traveling direction
Next to the, Ru difficult der is to correct the deviation. Further, the guide mechanism for securing the straightness is complicated and expensive.

[0007] In view of the above problems of the prior art, the present invention does not leave any obstacle between the stage and the stage drawn out on the floor, and furthermore , the stage is moved in and out of the storage room. It is an object of the present invention to provide a flat platform type movable seat device in which the straightness of a movable frame is improved.

[0008]

In order to achieve the above object, according to the present invention, a flatbed-type seat is stored in a storage room which is provided under the floor of the stage and has a front opening, and the seat is pushed out to the floor when necessary. In the flat table type movable seat device as described above, a movable frame is provided movably in the front-rear direction on the floor surface of the storage room continuous with the floor, and is rotated forward and reverse by the rotation driving means at the rear of the storage room. A front end of a pull-in rope wound around a rear end of the drum is fixed to the moving frame, and a front end of an extrusion rope wound around the drum in a direction opposite to the pull-in rope. The part is extended around a fixed pulley pivotally attached to the front part of the storage room to be inverted, and the terminal extending rearward from the fixed pulley is fixed to the moving frame, and the moving frame is attached to the rear part of the seat. With the moving frame and the grandstand A coupling device which can be connected and disconnect provided, further the storage chamber inner surface of a guide rail oriented in the longitudinal direction, by the guide rails, as characterized in that so as to guide said movable frame and bleachers I have.

[0009]

The seat and the moving frame for putting it in and out of the storage room are separated from each other and can be connected by a connecting device, and the moving frame is wound around a drum provided at the rear of the storage room in the opposite direction. The pull-in rope turned around and the push-out rope hung around the fixed pulley at the front of the storage room pulls it back and forth to move it back and forth, leaving only the seat on the floor and moving The frame can be housed in the storage room, and the straightness of the moving frame can be improved.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention, in which a storage room (3) having a front opening is formed under the floor of a stage (2) provided at one end of a floor (1). The extension surface of 1) is the floor surface (4) of the storage room (3).

At the front of the floor (4) of the storage room (3), a pair of left and right fixed pulleys (5) whose axes are directed up and down are pivotally mounted, and at four corners of the floor (4). , is erected a stopper (6), respectively, the left and right side portions of the floor surface (4), lateral faces longitudinal direction 1
A pair of guide rails (7) (7) are laid.

A pair of left and right drums (9) (9) for winding the wire are provided at both ends of a rotating shaft (8) provided at the rear end of the floor surface (4) and pointing in the left-right direction. The two drums (9) and (9) are fixed
According to (10), it can be rotated in both directions.

[0013] On the floor (4), a horizontal rectangular low-size moving frame is provided.
Wheels (13) pivotally mounted on the lower surface of the front and rear ends of both side frame rods (12a) of (12)
Is placed. Moving frame (12), the roller was pivoted on the outer surface of each side frame rod (12a) (14) is in contact with the inner surface of the guide rail (7), the rear of the rear end portion of each side frame rod (12a) a frame Rod (12b)
However , it can travel along the guide rail (7) within a range where it comes into contact with the stoppers (6) before and after the floor (4).

(15) is a spectator seat , on which a large number of folding chairs (17) are placed on a low flat table (16), and a large number of wheels (18) are placed at important points on the lower surface of the flat table (16). ) and made to pivoted rollers (19) which can contact with the inner surface of the guide rail (7), and can travel back and forth.

A flat base is attached to both ends of the front frame rod (12c) provided between the front ends of the left and right frame rods (12a) in the moving frame (12).
(16) Tow hooks (21) (21) which can be disengaged laterally from a pair of left and right engaging pins (20) (20) provided at the rear key points
There is provided a coupling device (22) comprising:

The rear end has a wear stop wound above each drum (9), before end of the rope for the right and left pair retraction consisting ropes or chains, etc. (23), the frame after moving frame (12) It is fixed to the rod (12b).

The rear end of each of the drums (9) is connected to a pull-in cord (23).
A winding Rotate fastened with right and left pair of extrusion rope as reverse (24) is inverted to the rear and turn over to the fixed pulley (5)
The rear end is fixed to a rear frame rod (12b) of the moving frame (12).

Thus, the drive unit (11) is formed by the drum (9), the motor (10), the moving frame (12), the double cords (23) and (24), and the drum (9), the motor Driving means for moving the moving frame (12) in the front-rear direction is formed by (10) and the two cords (23), (24).

[0019] FIG. 3 (A), shows the state of the present invention apparatus when accommodating the bleachers (15) in the housing chamber (3) in saving the illustration
The abbreviated retracting cable (23) is caught in both drums (9) ,
For extrusion rope (24) is fed out from the drum (9), the moving frame (12) is retracted floor surface (4) on to the rear limit, bleachers (15)
It is coupled to the movable frame (12) by a connecting device (22), and Nde write pull the housing chamber (3) within.

In this state, the drum (9) is driven by the motor (10).
Rotate to wind up the extrusion cord (24),
When the lead-in rope (23) is extended, as shown in FIGS. 1 and 3B, the moving frame (12) and the seat (15) are both advanced.

As shown in FIG. 3 (C), the moving frame (12) is on the floor surface.
(4) When you move up to the previous limit, the seat (15) will be on the stage
It is pushed out onto the floor (1) in front of (2).

Next , the connecting device (22) is connected to appropriate driving means.
(Not shown), the pull-in cord (23) is wound by the drum (9), and the pushing-out cord (24) is extended, so that the moving frame (12) is singly stored in the storage chamber (3). ).

[0023] The above and reverse operation, floor (1) bleachers on (15), as shown in FIG. 3 (A), can be returned housing chamber (3) to the housed original state .

[0024]

According to the present invention, the following effects can be obtained. (a) The moving frame is configured as a separate body from the seats, and they can be connected or disconnected by the connecting device. Therefore, only the seats are placed on the stage and the moving frame is stored alone. It can be accommodated indoors, and there is no obstacle that blocks traffic on the floor surface between the stage and the seats, and the space can be used effectively.

(B) Since the moving frame is towed from the front and rear by the pushing rope and the retracting rope and moved, the straightness of the moving frame is good, and the flatness of the floor or the floor of the storage room is good. Even if the moving frame is bad, the moving frame can be made to go straight. Even if the moving frame moves in the wrong direction, when the moving frame is moved in the opposite direction, the moving frame is corrected . Therefore, too much detention Waru to the flatness of the floor surface of the floor and storage room
It can be implemented without .

[0026] (c) on the inner surface of the housing chamber, so is provided with a guide rail oriented in the longitudinal direction for guiding the movable frame, straightness moving frame is further improved, and this guide rail, also the bleachers It is convenient because it is guided.

[Brief description of the drawings]

FIG. 1 is a partially omitted plan view showing a state in which a grandstand is being pushed out according to an embodiment of the present invention, with a stage floor plate removed.

FIG. 2 is a partially omitted cross-sectional view taken along line XX of FIG.

FIG. 3 is an operation explanatory view schematically showing the operation of the embodiment.

[Explanation of symbols]

 (1) Floor (2) Stage (3) Storage room (4) Floor surface (5) Fixed pulley (6) Stopper (7) Guide rail (8) Rotary shaft (9) Drum (10) Motor (11) Drive unit (12) Moving frame (12a) Side frame rod (12b) Rear frame rod (12c) Front frame rod (13) Wheels (14) Roller (15) Seats (16) Flat base (17) Folding chair (18) Wheels (19) Roller (20) Engagement pin (21) Traction hook (22) Connecting device (23) Pull-in rope (24) Push-out rope

Claims (1)

(57) [Scope of request for utility model registration] 1. A flat platform movable seating device in which a flat platform seat is accommodated in a storage room having a front opening provided under the floor of a stage and the seat is pushed out to the floor when necessary. A movable frame is provided on the floor surface of the storage room so as to be movable in the front-rear direction, and a drum is provided at the rear of the storage room, the drum being rotated forward and reverse by a rotation driving means, and the rear end portion is wound around the drum. While fixing the front end of the rope to the moving frame, the front end of the extrusion rope wound around the drum in a direction opposite to the pulling rope is fixed to a fixed pulley pivotally attached to the front of the storage chamber. The terminal extending from the fixed pulley to the rear is fixed to the moving frame, and the moving frame is disengaged from the rear part of the seat, and the moving frame and the seat are connected and disconnected. Providing a connecting device capable of
Furthermore, a guide rail pointing in the front-rear direction is provided on the inner surface of the storage room, and the guide rail guides the movable frame and the seats.