BARRIER DEVICE A barrier device is pivotally mounted on a seat apparatus (1) that includes a barrier retainer (11 5 The barrier device includes a barrier plate body (2) that is pivotable relative to the seat apparatus (1) between fixed and unfixed positions, and a locking unit (3) that i mounted inside the barrier plate body (2) The barrier plate body (2) has a through hole (211) and 10 an aperture (221) comunicating with the through hole (211) , The locking unit has a press portion (31) that extends into and. is pressable from the aperture (221) When. the pre-ss portion (31) is not pressed, the press porcti on 1) is flush with a looped surface of the barrier 15 plate body (2) that bounds the through hole (2111) (Figure 3) CIAl Y-Z 11 19一種護板裝置,可上下樞擺地安裝在一坐置工具的左右兩側中的任一側上。該護板裝置包含:一護板本體,及一扣合件。該護板本體具有一左右貫穿設置的穿孔,及一連通該穿孔的開孔。該扣合件包括一申露於該開孔且可供按壓的按壓部,及一連接該按壓部且可與該坐置工具的一個固定座扣合而使該護板本體固定住的卡扣部。當該按壓部未被按壓時,該按壓部的外表面與該護板本體的外表面連結成封閉路徑的平滑曲面,使該護板裝置的整體外觀更精緻平整,以避免人員因碰撞而受傷外,而且本新型操作簡單又符合人體工學,相當實用。1‧‧‧座置工具11‧‧‧固定座111‧‧‧凹槽2‧‧‧護板本體21‧‧‧板體部211‧‧‧穿孔212‧‧‧安裝槽22‧‧‧圍繞部221‧‧‧開孔3‧‧‧扣合件31‧‧‧按壓部32‧‧‧扣合部4‧‧‧突出件52‧‧‧樞桿
