Patent ID: 9259086
Filing Date: 2016-02-16
CPC Classification: A47B,A47C

Claim Text:
1. A three-in-one sofa bed comprising: a bedstead assembly; a sofa cushion and sofa seat assembly fixedly connected to the bedstead assembly; a moveable coffee table; and a mattress and mattress frame assembly, in which a proximal section thereof is pivotably connected to a rear section of the bedstead assembly to enable the mattress and mattress frame assembly to be rotated with respect to the bedstead assembly between a horizontal position and a vertical position, wherein in the horizontal position, the mattress and mattress frame assembly straddles the sofa cushion and sofa seat assembly and the movable coffee table to form a bed for sleeping; while in the vertical position, the sofa cushion and sofa seat assembly and the movable coffee table are exposed; said mattress and mattress frame assembly being slidably connected to the bedstead assembly to enable the mattress and mattress frame assembly to be horizontally movable between a position departing from the bedstead assembly and a position retracting towards the bedstead assembly, in which the position where the mattress and mattress frame assembly retracts towards the bedstead assembly is a position where the mattress and mattress frame assembly is pivotably connected to the bedstead assembly; wherein the bedstead assembly includes: said sofa cushion and sofa seat assembly includes a sponge cushion and a sofa seat, the sofa seat includes a top plate, two side plates, separators, a bottom plate and several drawers, in which the two side plates of the sofa seat are fixedly connected to the two ground-mounted side plates respectively, and the pulley beam is fixedly connected to the top plate of the sofa seat.