| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a swinging configuration for a floor part of a bed which can reduce cost of manufacture and working time for assembling. <P>SOLUTION: This swinging configuration comprises a drive unit for back floor that produces ups and downs swinging of a back floor 11 for the top face side of support a frame 7A, a drive unit for knee part floor for producing and controlling ups and downs swinging operation for knee part floor 13, a common supporting members 22 for receiving and supporting a swinging core shaft of the back floor and the knee part floor at both right and left sides of seat section floor 12, respectively, and a support member 22 which is used also as a guide for transferring and guiding the swinging core shaft of the back floor 11 in a horizontal direction, so as to move the floor side end of a seat section of the back floor 11 to the side spaced apart from the seat section floor 12 with ups and downs swinging of the back floor. <P>COPYRIGHT: (C)2003,JPO</p> |
