| 摘要 |
<p>PURPOSE:To provide a bed system which can be furnished with height adjustment function, back raising function and other various functions such as giving exercise to the user, preventing bedsore and so on. CONSTITUTION:The bed has the base frame 1, the rise and fall frame 25 placed above said base frame so as to be able to change its level freely in the up and down direction by the elevator arm 19, the elevator driving mechanism to move the rise and fall frame up and down by driving the elevator arm, the floor board 36 consisting of plural partitions 35 fitted to the rise and fall frame in such a manner as can vibrate freely and the driving source for vibration which is equipped on the rise and fall frame and causes the partitions constituting the floor board to vibrate. Further the bed is provided with the back raising frame 71 equipped above the rise and fall frame and having the back raising pipe 78 which can rise or fall without interfering the partitions of the floor board and with the driving mechanism 83 for back raising which makes said back raising parts of the back raising frame rise and fall.</p> |
