| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a swivel chair capable of enhancing usability by facilitating confirmation on whether a seated person is seated or not from behind.SOLUTION: A swivel chair 1 includes: a seat member 20; and a backrest member 30 for supporting the state of a seated person from behind. The backrest member 30 includes: a side block part extending to a position higher than the head of a seated person, extending forward from the right and left sides of the head of the seated person at the height position of the head of the seated person, and then blocking the head of the seated person from the back and the sides; and a body reception part to be abutted to a part of the upper body of the seated person. The body reception part can be deformed backward by swelling by the partial abutment of the upper body of the seated person and is defined as an existence display part indicating the sitting of the seated person on the basis of the swelling deformation of the body reception part.</p> |
