Patent ID: 6749420
Filing Date: 2004-06-15
Classification: B29C,Y10S

Abstract:
Flexible ejector for injection molds, of the type meant to make small negatives of the injected part to be obtained, and of those having a rod provided with means of attachment to the ejector plate, which through a flat and elastically deformable neck ends in a small header which incorporates a material recess, of a shape and size matching that of the negative area of the part to be obtained characterized in that said header (3), with the exception of the material recess (4) which corresponds to the negative to be obtained and which is variable depending on the configuration of said negative, adopts a rectangular prismatic shape, that is, with faces which are parallel by pairs in order to simplify its matching, wherein the rod (1) presents in its externally threaded segment (10) a small flat facet in correspondence with one of its generating lines, in order to immobilize the ejector in an angular sense, while allowing it to move freely in an axial sense, with the aid of key (14) also provided between the ejector plates (9-9â€²), preferably on the ejector plate (9) which does not receive the screw (11).