Patent ID: 7156649

Claim:
A mold for injection molding, comprising: a fixed mold; a movable mold disposed for substantially linear movement along a moving direction towards the fixed mold and into a closed position and away from the fixed mold to a fully opened position, the movable mold having an attachment surface facing towards the fixed mold for defining a mold cavity when the movable mold is moved towards the fixed mold and into the closed position; an ejector plate movable with respect to the movable mold towards and away from the mold cavity; at least one ejector attached fixedly to the ejector plate and passing through at least part of the movable mold at least to the attachment surface for thrusting a molded article away from the attachment surface when the movable mold is moved away from the fixed mold; and a plurality of engaging members projecting rigidly from the fixed mold and extending substantially parallel to the moving direction of the movable mold, the engaging members being disposed substantially symmetrically with respect to a center of the fixed mold and passing completely through the ejector plate when the movable mold is in the closed position, the engaging members being configured for directly engaging the ejector plate for limiting movement of the ejector plate away from the fixed mold as the movable mold is moved away from the fixed mold and towards the fully opened position, whereby the engaging members limits movement of the ejector plate as the movable mold moves away from the fixed mold towards the fully opened position and thereby causes a leading end of the ejector to project from the attachment surface of the movable mold.