It is going to be used as a planting table for wheel chair students in a greenhouse. It will be about 36'; wide, 72'; long, and adjustable from 29'; to 36'; high. I need ideas on how to make it adjust safely, easily and inexpensively. I plan on having 3 of these tables next to each other for a total length of about 18'.How can I make an adjustable height wheelchair work table?
Buy an adjustable height drafting board....there are many of them that are available in used condition for about $150 or less.How can I make an adjustable height wheelchair work table?
Make the legs as an X-brace at each end of the table. The X-brace attaches to a piece of angle-iron running front-to-back on the underside of the table end. At the back end, this is done with a bolt through a hole in the angle iron. At the front end, the angle iron is cut in a sawtooth series of notches and the x-brace has a bolt through it that fits into the sawtooth for adjustment. Also put about 8'; of chain between the front leg and the tabletop, or another rail that captures the bolt, so that the x-brace can't completely disengage and let the table collapse. A decent carpenter (which I'm not) could probably do the whole thing in wood except for the pivot bolts.
Wow that's wide!
The legs of the table have a nasty habit of getting in the way unless they are on the very end, or eliminated.
Some options would be:
Suspend tables from chains
Table legs consisting of two tubes each, one that fits inside the other. Drill though both tubes, then just lift and slip a pin in place.
Think 'ladders and boards' shelving. Make the legs an open frame with crossbars for the tops to rest in.
Mega-cheat: plain legs and spacer blocks to put under the feet.
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