the chair is mounted off-centre in a 'zorb' so that it rests with the chair upright. it is powered by jets of air mounted in the steps that create a peristaltic shift up or down the staircase. if the jets fail the 'zorb' provides enough protection for the fall down the stairs.
inspired by hippo's Automatic Blow-Out Staircase of Excitement-- chud, Jul 03 2002 So you would be blown upstairs?-- DrCurry, Jul 03 2002 expand the system around the house and you could be blown wherever you wanted-- chud, Jul 03 2002 If you connect it to the back end of a central vacuum cleaner, the price won't be so ex'zorb'itant.-- FarmerJohn, Jul 03 2002 random, halfbakery