
An electromotive bed, having a bed body, the bed including a mattress having a pair of rectangular through holes extending therethrough in middle upper portion of the mattress and disposed in the direction of the width of the mattress; a respective supporting block mounted rotatably to move between a position in which the block protrudes upward through each respective through hole and a position in which the block does not protrude through the through hole, the block comprising at least two pin ...











