A collection of documents disclosing user supporting, generally horizontal top surface portions that are adapted to move longitudinally or laterally relative to a base portion, to move the user relative to the base portion, the top portion adapted to be returned to its initial position, which is centered relative to its supporting base portion.
(1) Note. The movable top portions often move a patient into a cavity in an examining or treating device (e.g., for X-raying) and return the patient to the initial position after examination or treatment.
