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.:

US 6921258 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 26, 2005

Filed:

Oct. 04, 2000
Applicant:

Holger Schmidt, Bad Frankenhausen, DE;

Inventor:

Holger Schmidt, Bad Frankenhausen, DE;

Assignee:

Demag Ergotech GmbH, Schwaig, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C045/40 ;
U.S. Cl.
CPC ...
Abstract

The invention relates to an ejector device for an injection-molding machine for plastics, having at least one ejector pin, which can be moved toward the mold and away from the latter through the center of a moveable die clamping plate by an actuator. In this arrangement, the actuator provided is a linear motor (), which is arranged outside the central axis (I) on the moveable clamping plate () , and bar-shaped force-transmission elements (), by means of which the linear motor can be brought into operative connection with the ejector pin (), are provided.


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