The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 27, 2005
Filed:
Feb. 15, 2002
Gunther Fischbach, Fürstenfeldbruck, DE;
Gunther Fischbach, Fürstenfeldbruck, DE;
Mannesmann Plastics Machinery GmbH, München, DE;
Abstract
The invention relates to a clamping device for an injection molding machine for plastics, including a fixed platen () which is connected to a moving platen () by means of a toggle mechanism (). A hollow-shaft motor () is provided to cooperate with a spindle () for operating the toggle mechanism, wherein the hollow-shaft motor () is connected to the toggle mechanism (). According to the invention, the spindle () is arranged in a rotationally fixed manner, the end of the spindle (), facing the moving platen (), is in engagement with the rotor () of the hollow-shaft motor (), and the stator () of the hollow-shaft motor is connected with the toggle mechanism (). Preferably, a spindle nut is fixed in the rotor () for engagement with the spindle (), preferably in the form of a recirculating ball screw.