| 摘要 |
Plastics rocking-chair for TV viewers is of porous polystyrene or other foamed plastics, cast in one piece and anatomically suited to the human body or individually worked later. Pref. the leg surface is at more than 90 degrees to the seating surface, so that the feet can be placed higher than the user's heart by tilting back. The centre of gravity acts on the rocking radius. |
