| 摘要 |
An elevation chair 1 comprised a seat 32 upon which, in use, a person is seatable and a drive device 4 to which the seat is operably connected, the drive device being operable to raise and lower the seat. The seat comprises at least one seat extension 33, 34 movable between a relatively extended position (Fig. 1), for increasing the load bearing surface area of the seat, and a relatively stowed position (Fig. 5). The seat extension may pivot or slide relative to the seat, and may include a fixing plate 36 through which a bolt B may extend to fix the position of the seat extension at two or more angular positions relative to the seat. The elevation chair may further comprise a substantially vertical post 22. Also disclosed are an elevation chair comprising a base having extended and stowed conditions, an elevation chair weighing less than 50kg and comprising a drive device located at least in part within a post, and an elevation chair being at least partially x-ray transparent and comprising a drive device located at least in part within a post. |
