| 摘要 |
<p>A blocking system able to removably maintain at least two members engaged in the same point is described, comprising: a body with a substantially cup-like shape, engageable by known means (11) on a support and provided with seats (17, 18) for the snap engagement of toothed elements suitable for said engagement; a bush (20) with a substantially mushroom shape, suitable to have its stem (24) received in the free cavity of the cup-like element, and having its head and diameter such that it holds between said head and the upper edge of the cup-like element (3) at least one of said two members; the stem of said mushroom bush (20) being provided with said toothed elements (25) suitable to be snap engaged in the seats of the cup-like element (3) and an axial cavity (30) provided with an elastic retaining element (35); a pin (36) with a diameter substantially equal to the diameter of said axial cavity (30), suitable to be received in said cavity, provided with means for the engagements of said elastic retaining element and engageable by known means to the second of said two, at least, members to be held. <IMAGE></p> |
