| 摘要 |
<p>080185-BHP An adjustable hospital bed having a linkage system actuated by one or more drive screws for raising and lowering the bed and having a slipping brake mechanism associated with the drive screws and linkage system to provide actuation of the linkage system and, more particularly, to provide a limit stop of the linkage system when the bed is raised to its uppermost position and a similar stop when the bed is lowered to its lowermost position.</p> |
