A raising and lowering device, particularly suitable for incapacitated human or animal patients. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the U. The said web product has a residual water value, RW, of less than about 0. Increased thickness material in the cantilever tends to keep the switch flat in its resting position. The polymeric body and the outer cover are opaque. The width W3 varies moving axially from the first node to the second node.