Sitting straight chair and napping pillow

摘要

(57) Abstract (Modified) Topic Thickness length and of the foot of the human the foot in the time of sitting straightMethod of uniting the neck ten is ten colors. In the condition Kanai u structure and formaCondition and using using, numbness of the foot there is no happening naturally the bodyYou do not become tired and stabilize and even in use of long haul the sitting straight chair where the body is easyIt offers. Solutions(i) it makes stabilize first, the leg is designated as 4ru. To adjust the height of seat board 1 (ro) with the independence expansion and contraction of the foot which designates each leg as independent expansion and contraction function (ha) and the seat boardTurning shoes foot 5 to the angle where also angle of 1 are agreeable by yourselfYou adjust with. (ni) as for this device with the independent expansion and contraction function of the leg in the former productThe trouble inconvenience instability which is seen was solved.