| 摘要 |
<p>The support, designed to be in direct or indirect contact with the ground, e.g. through wheels, has a hollow head (1) with an inner cavity (4) and skirt (6) containing a spring (10) and a piston (5) with a transverse limiting pin (8), and surrounded by a rubber shock absorber (15) fitted between the footwear sole and a shoulder (3) on the head. The pin (8) limits rotation and axial movement, and the shock absorber is conical in shape with a straight or convex outer surface and an annular groove (18).</p> |
