PROBLEM TO BE SOLVED: To provide a sofa which is not only just deformed into various using forms but also has a massage function, allows a part, in which massage is executed, to be selected as needed, and provides an excellent sitting feeling.SOLUTION: A sofa 10 includes a seat part 11, a backrest part 12, a left side armrest part 13L and a right side armrest part 13R, and is structured such that inclination angles θL and θR to the seat part 11 of the left side armrest part 13L and the right side armrest part 13R are respectively adjustable, and a massage means 15 is provided on a surface to be turned inwards when erected in at least one armrest part 13 of the left side armrest part 13L and the right side armrest part 13R. It is more preferable when the seat part 11 is constituted of an intermediate seat part 11C, a left side seat part 11L and a right side seat part 11R, and is structured such that inclination angles φL and φR to the left side seat part 11L and the right side seat part 11R of the left side armrest part 13L and the right side armrest part 13R are adjustable.COPYRIGHT: (C)2013,JPO&INPIT【課題】様々な使用形態に変形させるだけでなく、マッサージ機能を有し、必要に応じてマッサージを施す箇所を選択することができ、座り心地も良好なソファを提供する。【解決手段】ソファ10を、座部11と背もたれ部12と左側肘掛部13Lと右側肘掛部13Rとを備えたものとするとともに、左側肘掛部13L及び右側肘掛部13Rの座部11に対する傾斜角度θL,θRをそれぞれ調節可能な構造とし、左側肘掛部13L又は右側肘掛部13Rのうち少なくとも一方の肘掛部13における起立時内向面にマッサージ手段15を設けた。座部11を、中間座部11Cと左側座部11Lと右側座部11Rとで構成するとともに、左側肘掛部13L及び右側肘掛部13Rの左側座部11L及び右側座部11Rに対する傾斜角度φL,φRを調節可能な構造とするとより好ましい。【選択図】図5
