| 摘要 |
<p>A tension mechanism for use with existing conventional bed platforms in the well known Murphy bed system in which the bed platform may be connected to the tension mechanism when the tension is at a low level by only a single installer, and the tension thereafter increased in infinite increments to any desired level by a remotely operated tool, a combination of said tension mechanism and a bed platform, and a combination desk and bed in which the bed is operated by the tension mechanism.</p> |
