US Patent 7182405 Chair with removable sling

A chair is constructed of a chair frame having spaced, parallel side members with rear ends and outwardly curved front ends, a first horizontal seat support extending between the side members adjacent their rear ends, and a second horizontal seat support parallel to and in a plane below the first support extending between the side members adjacent their front ends; and a sling seat in the form of a continuous loop of textile material extending around the first and second supports to form a seating surface, the loop being removable from the chair frame without separating the loop by pulling the loop around the front end of one of the side members for placement while the loop is supported on the first seat support.