A translation shift device is disclosed. When a pressure is applied to a moving plate, an elastic driving element and the moving plate will be driven by a catch unit to slide in bi-direction. The translation shift device also can be used in a medical bed or a wheelchair. It is noted not only the convenient operation, safety and saving effect can be achieved, but also a person to be transferred has enough space to turn the body over. Therefore, the suffering to the body of the transferred person can be reduced, and further, the moving burden and the difficulty on the staff can be mitigated.本發明係一種平移式移位裝置,其目的是透過一帶動單元根據一活動板體受到施力後而帶動一彈性傳動件及包覆其內的一活動板體達到具有雙向移位滑動,並應用於醫療床或輪椅上,使得有效達到移位操作便利、安全及省力的效果外,還可讓待移送者有足夠翻身空間,以降低移送者身軀所受的痛苦,進而更可減輕工作人員的搬移負擔及困難。1‧‧‧平移式移位裝置20‧‧‧承載單元201‧‧‧承載座202‧‧‧支撐體2021‧‧‧開口2022‧‧‧控制桿204‧‧‧承載平台2041‧‧‧凸起部2042‧‧‧凹槽30‧‧‧固定單元301‧‧‧第一固定件3011‧‧‧第一凸部3012‧‧‧第一框架3013‧‧‧第一延伸部30131‧‧‧第一支臂302‧‧‧第二固定件3021‧‧‧第二凸部3022‧‧‧第二框架30221‧‧‧洞孔3023‧‧‧第二延伸部30231‧‧‧第二支臂40‧‧‧帶動單元401‧‧‧第一驅動件402‧‧‧第二驅動件403‧‧‧第一驅動滑動件404‧‧‧第二驅動滑動件50‧‧‧第一滑動組501‧‧‧第一滑動件60‧‧‧第二滑動組601‧‧‧第二滑動件70‧‧‧活動板體701‧‧‧支撐凸部702‧‧‧第三滑動件704‧‧‧第一支架705‧‧‧第二支架80‧‧‧彈性傳動件
