Patent ID: 7340923
Filing Date: 2008-03-11
Classification: C03B

Abstract:
1. A pressing plunger mechanism for a glassware forming machine, said pressing plunger mechanism comprising: a fixed housing mountable on said glassware forming machine; a movable housing mounted on said fixed housing; a plunger holder movably mounted on said movable housing; a drive unit mounted on said movable housing, said drive unit comprising a threaded spindle fixedly attached to said plunger holder, a nut engaged with said spindle, said nut being coupled to a driven shaft, said driven shaft having a first bevel gear mounted thereon, said first bevel gear engaging a second bevel gear mounted on a drive shaft of an electric motor, rotation of said drive shaft of said electric motor rotating said nut and thereby moving said fixed spindle in a lengthwise direction, lengthwise motion of said spindle moving said plunger holder relatively to said movable housing from a lower inoperative position to an upper pressing printer during a working cycle; and a pressing plunger supported on said plunger holder.