| 摘要 |
<p>IMPROVEMENTS IN OR RELATING TO MOBILE LOADERS A mobile loader of the type used for loading and unloading the cargo holds of aircraft is described. The loader operates by electric motors driving both traction means and loading platform elevation. The loader comprises a chassis having a variable height platform, the platform being connected to the chassis by means for maintaining the platform in a substantially level attitude irrespective of platform height, mechanical lifting means for varying the height of the platform with respect to the chassis, electric motor drive means connected by transmission means to the mechanical lifting means for raising the platform, electrical energy storage means for powering the electric motor drive means and control means whereby the electric motor drive means may be switched to electrical generator means to provide retardation of the platform when being lowered and means to direct the electrical energy generated during lowering the platform into the electrical energy storage means.</p> |
