JPH03244488A - Acoustic reflection board - Google Patents

Abstract

PURPOSE:To provide an acoustic reflex board best suited for application to a stage of a theater etc. by allowing a reflex board for back face and a one for ceiling to retain a plurality of lights illuminating the stage when they are in raised positions, and permitting them to work also as a light supporting structure of a light bridge, light baton, etc. when they are out of service in raised position. CONSTITUTION:A reflex board 1 for back face is hung at a ceiling or by a suspension mechanism arranged near the ceiling. Another reflex board 2 for ceiling is held by a moving mechanism 20 arranged on a wall surface W. When out of service, these reflex boards 1, 2 are raised and put in the accommodated condition, but they function at this time as a supporting structure to retain a plurality of lights L for illuminating the stage F. During out of service, these boards 1, 2 are raised and put in the accommodated condition, and function at this time as a supporting mechanism such as light bridge or light baton as retaining a plurality of lights L for illumination of the stage F.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to an acoustic reflector plate installed on a stage such as a theater, and particularly to an acoustic reflector plate that also serves as a light support structure such as a light bridge or a light baton. Regarding reflectors.

[Conventional technology and its issues]

On stages such as theaters, acoustic reflectors are used to improve the acoustic effect, and the mode of use of these acoustic reflectors is to use what is called a movable structure. This is the trend today.

By the way, as a movable acoustic reflector that has been proposed in the past, a rear reflector is stored in an upright position at the rear of the stage, and one or more ceiling reflectors are placed above the rear reflector. There is one that says that is stored in a horizontal state.

According to this proposal, it is possible to install a desired acoustic reflector on the stage by advancing or sliding each reflector to a predetermined position on the stage. There is an inconvenience that the so-called hangar part becomes a dead space.

Therefore, learning from the fact that there are many ceiling-hanging devices such as lights and audio equipment suspended from the ceiling above the stage, we installed acoustic reflectors, that is, a rear reflector and a ceiling reflector. There is a proposal to hang it above the stage.

According to the proposal, when using the acoustic reflector, there is an advantage of not forming a large detonos base as in the previous proposal, or when the acoustic reflector is not in use, it is raised and held close to the ceiling together with ceiling hanging equipment. However, it does not have any particular purpose, and therefore it is inconvenient as it becomes a nuisance.

This invention was devised in view of the above-mentioned circumstances, and its purpose is to provide a light support structure for a light bridge, light baton, etc. when the light is raised and not in use. The purpose of the present invention is to provide an acoustic reflector that is optimal for use on stages such as

(Means for Solving the Problems) In order to achieve the object described in 1, the structure of the acoustic reflector according to the present invention is designed to be used as a rear surface that is suspended in an upright position above the rear of the stage and is moved up and down. It has a reflector, a ceiling reflector that is suspended above the front near the front of the stage, is moved up and down, and is rotated to a horizontal state when descending, and includes a rear reflector and a ceiling reflector. The ceiling reflector will each hold a plurality of lights that illuminate the stage when it rises.

It is assumed that the rear reflector is suspended from a suspension mechanism disposed on the ceiling or in the vicinity of the ceiling.

It is also assumed that the ceiling reflector is held on a wall surrounding the stage or on a moving mechanism disposed along the wall.

Further, the moving mechanism includes a driving body that runs on guide rails arranged vertically on or along the wall surface, and the driving body rotates the ceiling reflector. I'm assuming it's possible to maintain it.

The rear reflector and the ceiling reflector each include a frame-shaped main body and an acoustic panel extended on the front side of the main body.

[For production]

Therefore, the rear reflector is moved to a predetermined storage position and installation position, that is, is moved up and down by the operation of the suspension mechanism.

On the other hand, the ceiling reflector moves up and down in a predetermined manner by running on a guide rail or a driving body that constitutes a moving mechanism, and is lowered to a predetermined lowered position and then rotated to an approximately horizontal state in use. become.

The rear reflector and the ceiling reflector are each raised and stored when not in use, and
At this time, each reflector serves as a support structure for a light bridge, light baton, or the like that holds a plurality of lights for stage lighting.

〔Example〕

Hereinafter, the present invention will be described in detail based on the illustrated embodiments.

As shown in FIGS. 1 and 2, the acoustic reflector according to the present invention includes a rear reflector 1 and a ceiling reflector 2. As shown in FIGS.

The rear reflector l is set to be suspended in an upright position above the rear of the stage F and to be moved up and down.

On the other hand, the ceiling reflector 2 is suspended in an upright position above the front of the stage F, is moved downward by L, and is also set to be turned to a substantially horizontal state when descending.

The rear reflector 1 and the ceiling reflector 2 each hold a plurality of lights L that illuminate the stage F when they are raised.

Incidentally, above the stage F, a large number of hanging members S for suspending ceiling hanging equipment such as lights and audio equipment (not shown) are vertically installed.

By the way, the above-mentioned rear reflector l and ceiling reflector 2 are as follows:
Main bodies 1a and 2a each formed into a frame shape,
It consists of acoustic panels lb and 2b extended on the front surfaces of the main bodies 1a and 2a, respectively.

The reason why the main bodies 1a and 2a are formed into a frame shape is to reduce the weight of each reflector plate 1.2 as much as possible.

On the other hand, the acoustic panels lb and 2b are formed in a well-known so-called acoustic plate structure.

By the way, the rear reflector 1 is suspended from a suspension mechanism (shown only by a wire 1o in the figure) which is disposed on or near a ceiling (not shown).

On the other hand, the ceiling reflector 2 is held by a moving mechanism 20 disposed on the wall W, as also shown in FIG.

That is, the moving mechanism 20 includes a driving body 22 that runs on a guide rail 21 that is disposed vertically on or along the wall surface W, and
The driving body 22 rotatably holds the ceiling reflector 2.

To explain in detail, the interlocking body 22 is connected to the guide rail 2.
The housing sink 25 is formed to move along a spiral rod 23 arranged vertically along the guide rail 21, and is held by a pair of upper and lower rollers 24 that engage with the guide rail 21. It has a flaket 26 therein which is screwed into the screw rod 23, and a shaft 27 to which the ceiling reflector 2 is connected.

Therefore, when the screw rod 23 is rotated by a drive mechanism (not shown), the housing sink 25 having the racket 26 screwed into the screw rod 23 moves up and down, and at this time, the housing 25 moves up and down. A pair of upper and lower rollers 24
Due to the action of the guide rails 21 that hold together, it moves up and down while maintaining a predetermined horizontal state.

On the other hand, the shaft 27 has its tip projected outside the housing 25, and its rear end guided into a gear box 28 disposed within the housing 25.

The shaft 27 is formed to rotate in a predetermined manner by driving a drive motor 29 disposed outside the upper surface of the housing sink 25.

The shaft 27 is held at its intermediate portion by a bearing 27a that is fixed to the housing 25.

Therefore, when the shaft 27 is rotated by the driving motor 29, the ceiling reflector 2 connected to the shaft 27 is rotated to a predetermined substantially horizontal state.

However, in this invention, the above-mentioned rear reflector l and ceiling reflector 2 are respectively raised and put into a stored state when not in use, or at this time, the plurality of lights that illuminate the stage F are Functions as a support structure for holding the light L.

That is, in this invention, the rear reflector l and the ceiling reflector 2 are each formed to hold a plurality of lights L at their lower ends.

The plurality of lights L each illuminate the stage F from above.

Therefore, the rear reflector l according to this embodiment, which is formed as described above, is moved to a lifting position, which is a predetermined storage position, and a predetermined lifting position, by each operation of the wire 10, which is a hanging mechanism, and the hanging operation. It is moved to the hanging position, which is the installation position, that is, it is moved up and down.

On the other hand, the ceiling reflector 2 travels along the guide rail 21 along with the driver 22 or the spiral rod 23 that constitutes the moving mechanism 20, thereby making a predetermined vertical movement.
After being lowered to a predetermined lowered position, it is turned and placed in a substantially horizontal state, which is the operating state.

The rear reflector 1 and the ceiling reflector 2 are each raised and stored when not in use. It functions as a support structure for a light bridge, light baton, etc. that holds L.

〔Effect of the invention〕

As described above, according to the present invention, the acoustic reflector or the rear reflector is suspended in an upright position above the rear of the stage and is moved up and down, and the rear reflector is suspended in an upright position above the front of the stage. a ceiling reflector that is suspended from the ceiling and moved up and down, and rotated to a substantially horizontal state when descending; Of course, if each of the lights were to be held separately, a so-called dead base would not be formed behind the stage of a theater, etc., and so-called obstructive objects would no longer be placed above the stage, and when using it. Of course, the rear reflector and the ceiling reflector are lowered and rotated to a predetermined position and function as so-called acoustic reflectors, but when they are not in use, the rear reflector and the ceiling reflector are respectively raised. It has the advantage of serving as a support structure for a light fixture or light fixture, etc., which holds each or more lights while being held in a stowed state.

[Brief explanation of drawings]

Fig. 1 is a cross-sectional view showing the acoustic reflector according to the present invention suspended above the stage, Fig. 2 is a cross-sectional view showing the acoustic reflector in use, and Fig. 3 is an enlarged partial cross-section showing the moving mechanism. It is a drawing. [Explanation of symbols] F...Stage L...Light S...Hanging member W...Wall Surface L...Back reflector
2...Ceiling reflector lO...Wire 20 as a suspension mechanism...Movement mechanism 21...Guide rail 22...Driving body Figure 2

Claims (1)

[Claims] The rear reflector is suspended in an upright position above the rear of the stage and moved up and down, and the rear reflector is suspended in an upright position above the front of the stage and is moved up and down and rotated when descending to be approximately horizontal. an acoustic reflector, the back reflector and the ceiling reflector each holding a plurality of lights that illuminate the stage when the rear reflector and the ceiling reflector are raised.