(57) Abstract Objective To provide the sheet belt in the chair, this sheet bellWith to arrival the upper body of the person who sits down in the back rest section and the rear end placing section the densenessMaking wear, in the arrival seat the upper body becoming bending forward attitude by preventionWithout either generation of the myopia with coming and the getting near too much to theoretical aspect, onContainment one half of the body normally, health the bending forward attitude prevention which it can increaseIt designates that the child is offered as purpose. Constitution The rear end which is supported in trail section 12 and this trail section 12se section 14 and back having section 18 and, to have, the aforementioned rear end placing sectionAs it can provide base material 20 in the close relation of 14, this supportIn holding body 20, one end of sheet belt 30 height adjustment unrestrictedIt locks possess the controller 32 because the standards 28 which providing and othersIn controller 32 of re and aforementioned standards 28, sheet belt 30One end to be locked, on other end side of aforementioned base material 20, the seaThe other end of toberuto 30 installation and removal person in charge stopping is done the person in charge stop 52 which providing and othersIt is something which becomes the re te.
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