H.L die sheet and chair

摘要

(57) Abstract Objective It was attached to the sheet, forma of the lumbar supportThe device which you can adjust in condition and the top and bottom and the equipment which you can adjust mainly on front and backDepending upon the position and the structure etc of the sheet, furthermore raising function the eyeIt makes the mark. Constitution Lumbar support, slide bar in top and bottomIt makes slide, the ratchet locks with manipulation of the handleru. The lumbar support which it rises and falls, turning the handle, neji and the gear invert largely. U letter part of sheet, softAnd others two stratified it was made with the kana material, or, dent and the like was providedStructure.