| 摘要 |
<p>The device has a horizontally arranged side piece (1) arranged under a mattress (20) in a removable manner, and a vertically arranged side piece (11) lying at a longitudinal side of the mattress, where the device has a length of 80 cm. The vertical side piece has upper and lower parts, where the upper part is arranged in a movable manner under the effect of a spring force that is produced by a spring. Electrical switches are arranged at the lower part and operated through the movement of the upper part, where the upper part is designed as a bar.</p> |
