| 摘要 |
<p>To easily move a chair which has a back 2 and four legs 3, 4, wheels 9 are mounted on the front legs 3 of the chair, project rearwards from the legs and are arranged with their lower circumferential surface located a few millimetres below a plane through the lower support surfaces of the four legs. The rear legs 4 are not provided with such wheels. By means of these wheels, the chair can be easily and comfortably moved after the rear legs 4 have been lifted a little off the floor 15 on which the chair stands. <IMAGE></p> |
