Convertible mobility device

An assistive mobility device convertible between a rollator mode and a transport chair mode, the device comprising:

• two laterally spaced apart side frame structures, each side frame structure comprising:
• a rear handle support member having a top handle end and a bottom end,
• a front armrest member having a top armrest end and a bottom end,
• a wheel rail member connected to the handle support member, and
• a seat rail member extending substantially horizontally and connected to at least one of the handle support member and the front armrest member;
• a seat bottom extending between the two side frame structures and attached to a respective seat rail member;
• a cross brace assembly extending between the two side frame structures;
• a seat back member extending between and attached to each of the side frame structures, the seat back member being convertible between a first rollator mode and a second transport chair mode;
• a handle assembly located at the top handle end of each handle support member;
• two rear wheels, each of the rear wheels being mounted at a rearward end of a respective side frame structure;
• and
• two front wheels, each of the front wheels being mounted at a front end of a respective side frame structure,
• wherein the seat back member is formed of a flexible material and is attached to the side frame structures through a hinge mechanism.