| 摘要 |
<p>A safety device for an aerial lift (10) having a basket (20) with controls (23) which permit an operator to manoeuvre the basket (20), the controls (22) including a safety switch (24) which activates the controls (23) which provides a switch-closed signal to allow the flow of electricity to said controls and which is operable to cut the electricity supply to said controls (23) and prevent further movement of the basket, the safety device comprising a switch activation device (27) and an auxiliary safety switch (26) that provides a signal to operate an alarm (33)indicating that the switch activation device (27) has been operated.</p> |
