Patent ID: 9233498
Filing Date: 2016-01-12
CPC Classification: B29C

Claim Text:
1. A closing unit of an injection molding machine, said closing unit comprising: a moveable mold mounting plate; and a fixed mold mounting plate; a hydraulic pressure mechanism for building up a closing pressure for closing said moveable mold mounting plate; a column having an external profile; a two-part nut having an internal profile, said two-part nut comprising two half members coupled in a motionally opposite relationship, said column being configured to be lockable relative to said pressure mechanism by a positive locking relationship between said internal profile of said two-part nut and said external profile of said column in a closed condition of said two-part nut; an electric drive for opening and closing said two-part nut; two eccentrics each connected to said electric drive and to a respective one of said half members of said two-part nut; a first connection element connected to a first one of said two eccentrics by a first fixation, and connected to a first one of said two half members by a second fixation; and a second connection element connected to a second one of said two eccentrics by a third fixation and connected to a second one of said two half members by a fourth fixation.