| 主权项 |
1. A person support apparatus comprising:
a base frame; a primary support frame supported on the base frame; a carriage freely translatable at least between a head end of the primary support frame and a foot end of the primary support frame; and a support surface supported on the carriage such that the support surface translates with the carriage, the support surface comprising at least one support section which is collapsible in a length direction of the support surface, wherein the at least one support section comprises:
an air bladder; anda control valve fluidly coupled to the air bladder that regulates air pressure within the air bladder, the control valve comprising a normally closed position and a vent position, wherein the person support apparatus comprises an exercise configuration wherein the control valve is in the vent position and the air bladder is vented to atmosphere such that air is expelled from the air bladder when the carriage translates toward the foot end of the primary support frame regulating a rate of travel of the carriage with respect to the primary support frame and air is drawn in to the air bladder when the carriage translates toward the head end of the primary support frame. |
