| 摘要 |
There is disclosed a rollerbed 150, 160 that may be fitted to vehicles such as vans 100. The rollerbed 150 comprises a substantially flat panel 300 that is provided with strengthening "C" sections 310 along the sides. Rollers 370 may be lifted up, so as to project through apertures in the panel 300, by inflating air sacs 350a, 350b, 750a, 750b. Air reservoirs 330a-330f, 730a-730f are preferably located in top hat sections 320a-320f. The top hat sections 320 further strengthen the panel 300. A non-return flap 210 may be provided to prevent inadvertent unloading of cargo such as a pallet 600. Pneumatic control valves 155 are preferably arranged so that when the doors of the vehicle are closed, the rollers 370 are lowered. Pins 170 are preferably provided to restrain the rollcrbcd 150, 160 relative to wheel wells 115 of the van 100. The rollcrbcd preferably comprises a mastcr portion 150 and a slave portion 160.
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