Molding machine with expandable chamber and locking means

摘要

A molding machine in which first and second mold bodies which defines a chamber in a closed position thereof are carried by respective first and second supports and are moved along a predetermined path of travel with a locking post having a locking element being carried by a first of the supports and a second locking element being carried by the second support and being moved generally transversely to an axis of the locking post, the locking post having a threaded end portion and a nut rotatable thereon for axially adjusting the position of the locking post, and a stationary guide bar being embraced by a generally U-shaped guide element carried by the first locking element to prevent rotation of the locking post and the first locking element during the rotation of the threaded nut.