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:
Nov. 06, 2001
Filed:
Oct. 03, 1997
Helmut Schreiner, Nürnberg, DE;
Ernst Würl, Höttingen, DE;
Mannesmann Aktiengesellschaft, Düsseldorf, DE;
Abstract
A die closing device of an injection molding machine includes a stationary die clamping plate, a movable die clamping plate, and a toggle lever pair connecting the clamping plates. The toggle lever pair includes a first connecting rod and a second connecting rod, the first connecting rod being pivotally connected to the stationary die clamping plate, and the second connecting rod being pivotally connected between the first rod and the movable die clamping plate. The device further includes a powered driver operable for imparting motion to at least one of the first and second connecting rods to controllably move the movable die clamping plate relative to the stationary plates to open and close the die.