| 摘要 |
<p>According to the present invention, a user-oriented device to control a lumbar support is capable of variably controlling a lumbar support part of a person who is sitting by being combined with a back frame of a mesh type chair having a back sheet formed of an elastic fabric material. The device includes: a lumbar support unit including a lumbar pad supporting the lumbar vertebra of a person who is sitting on the rear of the back sheet, and a combination part protruding toward the rear of the lumbar pad; a cover unit including a frame combination part placed on the right and left ends combined with the right and left frames of the back frame, and a guiding rail placed on a central part having a shape extended in an upward and downward longitudinal direction; and a guide unit including a guiding movement part moving upward and downward along the guiding rail, and a combination part combined with the combination part of the lumbar support unit moving with the lumbar support unit.</p> |
