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:
Jun. 25, 1991
Filed:
Dec. 04, 1989
Applicant:
Inventors:
Michael L Johnson, Houlton, WI (US);
Chetan N Patel, Houlton, WI (US);
Marcel D Plourde, Somerset, WI (US);
Brian J Wiederin, Somerset, WI (US);
Assignee:
Scientific Molding Corporation, Ltd., Somerset, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
403 24 ; 403373 ;
Abstract
A retainer for supporting an injection molding machine ejector bar. The retainer is mounted to a hydraulic ram and secures an ejector bar in clamped relation relative to an extractor pin assembly secured to a molding die. The retainer includes a relatively large self-aligning cavity wherein an ejector bar end is confined via a transverse mounted jaw having a ridged gripping surface that interconnects with an annular slot formed in the ejector bar.