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The structure and use of theater chairs

2018-08-02

The theater chair:

Usually used in large conference rooms, schools or government halls, large musical and dance theater, has become an indispensable chair in today's society, most of which consists of four parts: chair seat, back, armrest and feet. In general, the foot of the station and handrails are integrated to form a firmly installed handrail frame. The composition structure is usually made of steel and wood or steel and plastic.

There are two types: single foot landing (single foot landing) and handrail station landing (station foot directly connected with armrest).

The seat with one foot on the ground and the center point of the seat supported by the standing foot are not only beautiful, but also convenient to connect the seat foot with other facilities of the environment, such as vent and power interface. Due to the relatively complex connection mode of the monopod, the cost of the monopod mechanism has been increased accordingly.

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The way that armrest station foot falls, firm, reliable, convenient fix and install, armrest and station foot photograph union, the structure is simple.

The foot is the foundation of a theater chair, usually fixed directly to the ground with an anchor bolt

The armrest of the theater chair is the basic support of the whole chair.

The structure of the handrail includes:

1. Metal frame: the frame of armrest is basically the supporting attachment of the whole auditorium chair.

2. Pallet: made of wood, plastic and other materials,

3. Clipboard mechanism: the armrest of theater chair can be fitted with clipboard mechanism for meeting minutes.




The size of the seat also has a certain range. According to the ergonomic design, the scale is generally controlled in:


Height of seat: the distance from the highest point of seat surface to the ground, hard seat surface 400 ~ 420, soft seat surface 420 ~ 440mm;


Seat width: distance between arms; Generally more than 400mm;


Seat depth: distance from the front edge of the seat plate to the back of the chair; Generally, it is between 400 and 450mm.


Back height: the size from the seat surface to the highest point of the seat back;


Total height: the distance from the highest point of the back of the chair to the ground;


Height of handrail: distance from the highest point of handrail to the ground;


Total depth: the distance between the front point of the seat and the last point of the seat back generally affects the seat spacing.


Including the depth of the tablet: the maximum depth of the chair when the tablet is opened;


Angle: plane and horizontal plane Angle, generally for 2 ~ 5 °;


Back Angle: depend on the back with the horizontal Angle, generally for 100 ~ 106 °


Row spacing: the distance between the front and back of two rows of seats;


Seat distance: also called center distance, refers to the distance between left and right seats and middle seats;


Arc radius: the radius of row curvature of circular arc position;


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