Patent ID: 8622733
Filing Date: 2014-01-07
Classification: B29C

Abstract:
1. An ejection mechanism comprising: a first plate defining a first through hole and at least one ejector hole; a second plate opposite to the first plate, the second plate defining another first through hole; an ejector plate between the first plate and the second plate, the ejector plate defining a second through hole coaxial with the first through holes, and comprising at least one ejector slidably received in the at least one ejector hole; an actuator comprising a driving shaft; and a drive mechanism between the first plate and the second plate, the drive mechanism comprising two threaded posts and a belt, the two threaded posts substantially parallel to the at least one ejector, wherein one end of each threaded post connects to the drive shaft of the actuator directly through the belt, the other end of each threaded post is threadedly engaged in the ejector plate, when the threaded posts rotate, the threaded posts drive the ejector plate to move between the first plate and the second plate.