PROBLEM TO BE SOLVED: To provide a bed device configured to reduce loads of caretakers.SOLUTION: The bed device according to one embodiment of the present invention includes: a support frame body (12a), and an accessory attachment part (30) to which an accessory (B) is detachably attached. The accessory attachment part (30) is attached to the support frame body (12a) so as to be movable between a first position (P11) and a second position that is located closer to the support frame body (12a) than the first position (P11) is. In a first state (C11) where the accessory (B) is attached to the accessory attachment part (30), the position of the accessory attachment part (30) is retained at the first position (P11) and, in a second state where the accessory (B) is detached from the accessory attachment part (30), the accessory attachment part (30) is moved from the first position (P11) to the second position.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2017,JPO&INPIT【課題】介護者の負担を軽減できる構造を有する寝台装置を提供する。【解決手段】本発明の寝台装置の一つの態様は、支持架台本体(12a)と、付属品(B)が着脱自在に取り付けられる付属品取付け部(30)と、を有し、付属品取付け部(30)は、第1位置(P11)と、第1位置(P11)よりも支持架台本体(12a)に近い第2位置と、の間で移動可能に支持架台本体(12a)に取り付けられ、付属品取付け部(30)に付属品(B)が取り付けられた第1状態(C11)において、付属品取付け部(30)の位置は、第1位置(P11)に維持され、付属品取付け部(30)から付属品(B)が取り外された第2状態において、付属品取付け部(30)は、第1位置(P11)から第2位置に移動することを特徴とする。【選択図】図4