US Patent 8348293 Wheelchair with easily changeable wheel sets

A wheelchair that has the ability to change quickly and easily the front casters of the wheelchair to another set of front casters intended for a different usage. This usage includes: an ‘everyday’ chair set up that uses narrower rear tires and smaller front casters; a snow chair set up with wide rear tires and larger front casters (or skis in place of casters); a beach set up with extremely wide rear tires and balloon front casters placed forward of the front of the frame; a hiking set up with mountain bike rear tires and over sized youth mountain bike front casters set); or a beach set up with extremely wide rear tires and balloon front casters placed forward of the front of the frame. A user may also mix and match front casters and rear wheels to form a different combination not listed above.