| 摘要 |
<p>A movement device for an element of furniture for the movement of a seat includes a rotating shaft, integral with the seat, and a hollow hub integral with the fixed portion. The shaft is coupled in rotatable and axially sliding manner to the hub, to define a first lifted position, in which the seat is positioned with respect to the fixed portion. The device also includes a biasing element coupled to the hub and to the shaft to exert an elastic action of contrast on the shaft and maintain it normally in the first position, a friction element constrained to the shaft, and a stop element integral with the hub and configured to contact selectively the friction element and define a second position of the shaft, which is lowered with respect to the first position and in which the rotation of the shaft is angularly countered by the friction element.</p> |
