Patent ID: 6402504
Filing Date: 2002-06-11
Classification: B29C

Abstract:
A rotatable platen assembly adapted to support a mold used in multi-shot plastic injection molding, the assembly comprising:a non-rotatable machine platen having a central bore formed therethrough; a non-rotatable base plate connected to the machine platen, the base plate having a central opening aligned with the central bore of the machine platen; a rotatable support plate adapted to retain a mold thereon, the plate being provided with a rotatable center axle passing through the central opening and the central bore and a gear mounted for rotation on the axle; a rack system engageable with the gear for rotating the mold supporting platen between a starting position and a finishing position; and a shock absorbing arrangement mounted externally of the base plate for dampening the momentum of the rotating plate between the starting position and the finishing position.