CHAIR AND THE STRUCTURE FOR STRETCHING A MESH OVER AN ELEMENT OF THE CHAIR

摘要

A stretching structure of a stretching material in a chair in which the ratio of the rear frame of a backrest to the outline of the chair is small, design is smart, weight is reduced, the number of parts is reduced, and assemblability is improved and the backrest of the chair. In the chair having the backrest (10) formed by stretching the stretching material (23) on the front surface of the rear frame (17), the rear frame (17) comprises a front frame (18) to which the peripheral edge part of the stretching material (23) is fixed and an upper reinforcement frame rod (26). The laterally facing upper reinforcement frame rod (26) is connected at its both ends to both ends of the laterally facing upper frame rod (18a) at the top of the front frame (18) with the center part of the upper reinforcement frame rod separated backward from the upper frame rod (18a).