| 摘要 |
The present invention relates to hospital beds of the type in which an electric motor is used to produce oscillation of the supporting structure relative to the bed frame. In the present invention there is provided a locking pin to lock the supporting structure at an angle to the bed frame. The movement of the locking pin to lock or to release the supporting structure, is adapted to actuate a switch to the electric motor to cut off or cut in respectively the said electric motor to stop oscillation or produce oscillation of the supporting structure relative to the bed frame.
|
