| 摘要 |
<p>Piston for actuation of a disc-brake pad, this pad 2 being equipped with a bearing plate 3 and the piston 4 having the shape of a hollow body opening towards this plate, that is to say that it exhibits, on the same side as the bearing plate 3, after it is fitted, an end of annular shape. This piston includes a cushion (pad) 9, of elastic material supported by a rigid cup, itself supported by the piston 4, this cushion having, on the one hand, a thick central part c capable of extending, after fitting, between the said bearing plate 3 of the pad and a bottom f that the said rigid cup 7 includes, and on the other hand, a thinned edge 10 situated slightly projecting with respect to the said annular end E of the piston 4. <IMAGE></p> |
