Bed apparatus provided with bathtub

A bed apparatus comprising a bathtub having a collapsible tub body with an upper tub portion and a lower tub portion, a bed body having a bed bottom plate forming a bed face and leg portions for brining said bed bottom plate into a prescribed horizontal position vertically above a floor face for defining a sidewardly open space between said bed bottom plate and said floor face;

• said bathtub comprising means for storing said bathtub in said space defined between said bed bottom plate and said floor face;
• a guide member for coupling said bed body with said bathtub and guiding said bathtub to be movable back and forth between a position under said bed bottom plate and a position on a side of said bed bottom plate, said means for storing said bathtub comprising tub collapsing means including link means comprising diagonally crossing first and second support bars, journal means rotatably coupling said first and second support bars with each other at a crosspoint, first means operatively connecting one end of said first support bar to said upper tub portion, second means operatively connecting the other end of said first support bar to said lower tub portion, third means operatively connecting one end of said second support bar to said upper tub portion, and fourth means operatively connecting the other end of said second support bar to said lower tub portion, whereby said bathtub is vertically collapsible for insertion into said space.