PROBLEM TO BE SOLVED: To provide a wheelchair in which a free locking function is installed between a seat portion and a backrest portion of the wheelchair so that a user can be relaxed even in a sitting state on the wheelchair.SOLUTION: A extendable member 20 is attached below the body frame 17 and the lower end part of the backrest frame 18 of this wheelchair, and the freely tiltable free locking function is applied to the backrest frame 18. To the turning portion of the backrest frame 18 of the extendable member 20 which is attached to the body frame 17 and the lower end part of the backrest frame 18, a locking lever mechanism 22 for preventing the backrest frame 18 from tilting when the wheelchair is moved is attached.COPYRIGHT: (C)2011,JPO&INPIT【課題】車椅子に座した状態でも寛げるように、車椅子の座部と背もたれ部の間にフリーロッキング機能を着設した車椅子を提供する。【解決手段】車椅子の本体フレーム17の下部と背もたれフレーム18の下端部に伸縮部材20を着設して背もたれフレーム18を傾動自在なフリーロッキング機能とした。前記本体フレーム17と背もたれフレーム18の下端部に着設した伸縮部材20の背もたれフレーム18の回動部に、車椅子の移動時に背もたれフレーム18の傾動を阻止するためのロックレバー機構22を着設した。【選択図】図1
