The related terms of the shower grab bar

(1) Balustrade(grab bar)
The general name of apron, inner cover plate, wall protection plate, outer cover plate, outer trim plate and handrail steering end not on both sides of escalator or moving sidewalk pedal. There is no movable handrail at the upper part, and a control box is set near the entrance and exit. The turning back part of the moving handrail belt at the end of the handrail is called the handrail turning end.

(2) Handrail 
Also known as "handrail tape". It is a moving part set on the handrail of escalator or moving sidewalk, which can move in the running direction for passengers to help. Generally, synthetic rubber and fabric are used as the main materials, with small flexibility and not easy to break. It is divided into: multi-layer fabric cushion belt, fabric steel belt and steel wire rope fabric belt. It is arranged on both sides of the step and moves in the same direction and at the same speed as the step. The width is 80 ~ 90mm, the thickness is 10mm, and the speed tolerance relative to the step is 0 ~ + 2mm.

(3) Armchair
The armchair with armrest is abbreviated as "armchair". In terms of design and production, it has more armrests on both sides than ordinary armchairs. Therefore, it is more rich and varied than ordinary chairs in shape. In the Qing Dynasty, the backrest of armchair was designed according to the natural curve of human body, which was very rare, but mostly in the form of vertical backrest and armrest. Armchair has many sub types, such as rose chair, official hat chair, Taishi chair, etc.