US Patent 10477973 Ergonomic chair

A chair, primarily for office use, is disclosed with a backrest that supports the user with a flexible mesh material combined with a frame that is shaped to project the mesh forward to support the user without coming into direct contact with the user. The central portion of the backrest frame is recessed relative to the top and bottom portions. The backrest frame is also bowed inward at the bottom with the top edge of the frame projected forward such that the mesh material supporting the user is suspended out and away from the main portion of the backrest frame.