Universal internal core lifter apparatus

An internal core lifter apparatus for use with a plurality of molds requiring different angles in different molds, the apparatus comprising:

• a core blade having a first end configured by an end user to cooperate with one of the molds to mold a plastic part having an undercut and an opposite end on the core blade being pivotally mounted;
• the first end of the core blade movable in the ejecting direction to assist in ejecting the plastic part from the mold;
• a coupling pivotally mounting the opposite end of the core blade for seating at the requisite angle for the mold to allow plastic part ejection;
• and
• a support mounted to an ejector plate having a sliding surface for linear travel of the support relative to said ejector plate to shift the first end of the core blade to allow the core blade to travel away from said undercut in the plastic part and then to travel to assist the ejector plate in ejecting a molded part.

An internal core lifter apparatus for sue with a plurality of molds and being disposed at different angles in different molds, the apparatus comprising:

• a core blade having a first end configured to cooperate with one of the molds to mold a plastic part;
• a universal coupling that provides for pivotal seating and linear motion and which receives the core blade for attachment at an end opposite the end configured to mold the plastic part;
• said pivotal seating allowing the positioning of the core blade at different angles in different molds;
• an ejector means in the mold for ejecting the molded plastic part;
• the first end of the core blade movable in the ejecting direction to assist in ejecting the plastic part from the mold;
• and
• a support plate for mounting to the ejector means and having a sliding surface across which the universal coupling slides while the first end of the core blade moves laterally relative form the plastic part when the mold opens.

An internal core lifter apparatus for use with a plurality of molds having mold halves and being disposed at different angles in different molds, the apparatus comprising:

• a core blade for having an end configured for molding a plastic part having an undercut and an opposite end having a heel with arcuate dovetail surfaces for transmitting and receiving both pushing and pulling forces;
• a universal coupling for providing pivotal and linear movement having a first arcuate dovetail for receiving the arcuate dovetail surfaces on said heel of the core blade and for transmitting pushing and pulling forces thereto and having a second straight dovetail;
• said pivotal movement allowing the mounting of the core blade at a plurality of angels in the mold, said configured end moving laterally away from the undercut and assisting in ejecting the plastic part;
• and
• a support for mounting to the other mold half and having a T-Gib which mates the second straight dovetail of the universal coupling and allows for linear movement away form the undercut in the plastic part.