Importance

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Abstract

Apparatus for removing plastic sprue slugs from the mold of an injection molding machine including a housing, a swivel arm rotatably mounted in the housing about a horizontal axis, a gripping arm pivotally mounted to the outer end of the swivel arm and having fingers for gripping and removing the slug, a steering rod for pivotting the gripping arm about the swivel arm as the swivel arm rotates about its axis and a cam for controlling movement of the steering rod, the cam, upon rotation of the swivel arm from an upper waiting position to a lower gripping position, causing the fingers to first trace a circular path until they reach a level approximately level with the top of the mold and then a path that extends substantially vertically downward along the front side of the mold until they reach a protruding sprue slug.

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First Claim