PROBLEM TO BE SOLVED: To provide a transfer support device in which a seat surface part can be attached easily.SOLUTION: A transfer support device includes a movable body part, a seat surface part 2 on which a care-receiver P can sit, and a connection mechanism 3 for detachably connecting the seat surface part 2 to the body part, and supports the transfer of the care-receiver by causing the care-receiver to sit on the seat surface part 2 and moving him or her. The connection mechanism 3 includes a receiving member 50 provided to the body part for receiving the seat surface part 2, and a holding member 70 that engages with the seat surface part 2 as the receiving member 50 receives the seat surface part 2 and holds the seat surface part 2 on the receiving member 50.COPYRIGHT: (C)2015,JPO&INPIT【課題】座面部の取り付けが容易な移乗支援装置を提供する。【解決手段】移動可能な本体部と、被介護者Pが着座可能な座面部2と、座面部2を本体部に着脱可能に連結する連結機構3とを具備し、座面部2に被介護者を着座させて移動することにより、当該被介護者の移乗を支援する移乗支援装置であって、連結機構3は、本体部に設けられると共に、座面部2を受ける受け部材50と、受け部材50が座面部2を受けるのに伴って当該座面部2と係合し、当該座面部2を受け部材50に保持する保持部材70とを具備した。【選択図】図11