Folding Chair Cot For Use With Emergency Vehicles

A chair cot configured for use with an emergency vehicle and further configured for selective transitioning between powered use on stairs and non-powered rolling on flat surfaces, comprising:

• an adjustable back support for supporting a patient in a seated position during transportation;
• an adjustable seat for supporting a patient in a seated position during transportation;
• a support system coupled to the back support and the seat and configured to support the back support and the seat during transportation, wherein the support system is configured to substantially collapse when positioned within the emergency vehicle;
• a movement system coupled to the support system that is configured to allow the chair cot to move over a surface, wherein the movement system comprises:
• a motor;
• a continuous track;
• casters;
• and
• retractable wheels, wherein the retractable wheels are configured to have:
• a deployed position whereby the retractable wheels and the casters engage a flat surface and hold the continuous track away from the flat surface such that the continuous track does not engage the flat surface;
• and
• a stowed position whereby the continuous track engages a flat, inclined, or stepped surface to move the chair cot;
• and
• a control system coupled to the movement system that allows one or more individuals to control the operation of the movement system.

A continuous track for use with a motorized stair climbing device, comprising:

• a tread layer having a durometer between 60A and 70A and comprising teeth sized and spaced so as to engage the repeating steps of a stairway;
• a fiber layer providing strength to the continuous track and bonded to the tread layer;
• and
• a drive layer having a durometer between 80A and 55D and comprising teeth sized and spaced so as to engage and transfer power from a drive gear to the continuous track.