CHAIR
To provide a novel chair in which a seat movement utilizing a rolling surface can be smoothly performed.SOLUTION: A chair includes an upper base portion 31 and a lower base portion 32 facing each other, where at least the upper base portion 31 has a curved rolling surface 312a. When the upper base p...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a novel chair in which a seat movement utilizing a rolling surface can be smoothly performed.SOLUTION: A chair includes an upper base portion 31 and a lower base portion 32 facing each other, where at least the upper base portion 31 has a curved rolling surface 312a. When the upper base portion 31 rolls with respect to the lower base portion 32, a seat provided in the upper base portion 31 swings. The chair is configured such that a region having a different curvature is formed in a part of the rolling surface 312a, and an elastic member 33 is interposed between the region and a region of a mating part corresponding to the region.SELECTED DRAWING: Figure 23
【課題】転動面を利用した座の動きを円滑に行えるようにした、従来にはない椅子を提供する。【解決手段】互いに向かい合う上側ベース部３１と下側ベース部３２の少なくとも一方である上側ベース部３１が湾曲した転動面３１２ａを有し、上側ベース部３１が下側ベース部３２に対して転動することによって、上側ベース部３１に設けた座が揺動する椅子において、転動面３１２ａの一部に曲率の異なる領域が存在し、その領域と相手方の対応する領域との間に弾性部材３３を介在させて構成した。【選択図】図２３ |
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