| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a chair seat depth adjusting device in which the seat depth adjustment is simple and reliable, and the depth dimension of a seat body is made to be locked.SOLUTION: A synthetic resin cushion receiver 12 is provided with a flexible part 12a formed of a plurality of slits in the width direction of a seat in the vicinity of a front end. The synthetic resin cushion receiver is secured to a metallic seat frame 15, and a seat cushion 11 is secured on the upper surface. Then, a slider 14 coupled with the front end of the cushion receiver 12 is provided in the front end of the seat frame 15 so that the back side of the seat frame 15 is freely slidable to the rear. Multiple locking grooves 15d are provided in a flange 15c provided at the side end edge of the seat frame 15, and a locking member 18 comprising locking claws 18a engaged with locking grooves 15d and a turning lever 18b is provided in the slider 14.</p> |
