[burde1jb]

So what I'm reading is that they would have been legal, but some believe the amount of air necessary to achieve the vacuum would be difficult given the equipment available.

To clarify our position and perhaps make our case for future use, I've attached a couple of pictures. The first are the suction cups used to attach to the totes and bin. Any roughness of a surface is accounted for by the foam "lips" on the cups seen in the picture. We were able to pick up totes from all side as well as the bins from any angle.

The second picture was a device to monitor the vacuum. This shut off the air supply once the vacuum was achieved to prevent unnecessary pressure loss.

I think this would have been a really neat application, but I was just too uneasy about its legality as well as practicality given the provided equipment.

Thanks for your input and I thought I would share this for anyone else's use in the future!