SEAT PLATE FOR CHAIR AND STUDENTS' CHAIR USING THE SAME

摘要

PURPOSE: A seat plate for a chair and a student's chair using the seat plate are provided to enable a user to sit on the chair without fatigue due to taking the same posture for a long time by evenly distributing a load concentrated on two end parts of an ischial tuberosity portion of the user throughout the hips, and by reducing or removing pressures applied to the thighs and the coccyx. CONSTITUTION: The seat plate for a chair comprises: a body(10); a hip recess(11) formed on a surface of the body(10), for accommodating a part of user's hip; a thigh recess(12) for accommodating parts of the thighs; a compression preventing groove(13) in which user's private parts are seated for preventing the private parts from being compressed; and a coccyx accommodating groove(14) for accommodating the coccyx.