h a l f b a k e r y
Ask your doctor if the Halfbakery is right for you.
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Pressurized hose embedded into cross pieces; the cross pieces are
covered with rubber, with felt on the bottom. Dollies with
specialized wheels ride on the pressurized hose once the pieces
been joined. The wheels fit the hose in cross section, but also
a rubber rim on each side
that will roll on level surfaces.
The track is rolled out through the house when moving. It is then
pressurized with air. Appropriate 90 and 45 degree sections are
included, and connect with fittings and O-rings. The track goes
an exterior door and up the ramp to the truck.
Eliminates the possibility of scratching floors
Eliminates threshold problems encountered with normal dollies
Lower profile than normal dollies
Customized carts can be made for bulky items like mattresses
With two 2x6 boards underneath, can be used on stairs
Can employ turntables with rigid track) for tight corners
Lessens the possibility of striking the edges of doorways/walls
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||I can see this being used as a guide and as a rolling surface. I wouldn't want to push a mattress up stairs on a set of rails, though.
||Have you ever seen an air sled/air dolly? Those solve a lot of the problems you're tyring to address (but aren't suitable for going up stairs either).
||There are few better ideas than a dollie riding along on an inflated hose.
||[+] Bun, but only if the trolley rolling on the hoses can automatically apply brakes when it reaches the end of the track. And if you toss the idea of using it on stairs.
||I'd give you an extra bun, if I could, if you were to make it powered, so you can load it up, and press the start button, and watch it drive out of the house on it's track.
||It would then need a bump sensor or other safety sensor to let it stop in case of unexpected obstacles (wandering toddlers), but that wouldn't be too difficult.