| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To apply a roller, a roller set and its driving system to a medical and caring bed, on the basis of the principle of conversion of rotary motion and linear motion. <P>SOLUTION: A bed plane is made by using the roller, and a bed surface moves by rotation of the roller, (1) to move a patient, (2) to maintain a body position, and (3) to prevent a bedsore. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
