US Patent 7850238 Dynamic furniture

Dynamic furniture having platforms in dynamic attachment to an actuator assembly that in turn is in dynamic attachment to a base. Use of motional platforms supported by a motional actuator assembly permits an article of the furniture to conform to the many and varied body positions a user wants, and allows a user to more easily change body positions while remaining within the furniture, and in medical scenarios may obviate most needs to transfer a patient from one article of furniture to another.