Rotation support mechanism of the lift chair

摘要

(57) [summary] [purpose] A rotary support mechanism in the liftable and the lift chair the seat plate by the action of the gas cylinder, the structure is also improved simple and rotational. [Configuration] The gas cylinder 4 in the axial cylinder 3 which is erected on the leg 2 Install the freely vertically extendable, bearing 7 that was rotatable to each other between the gas cylinder 4 to the tapered head portion 41 of the upper end, the inner tube forms an inner surface of the inner tube in a tapered shape and the outer cylinder It is fitted to be fixed, it is fixed to the outer cylinder of the bearing 7 on the seat plate 5.