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:
May. 28, 1991
Filed:
Oct. 01, 1990
Applicant:
Inventors:
Gary R Voisine, E. Hartford, CT (US);
Kenneth L Bratton, Enfield, CT (US);
Assignee:
Emhart Industries, Inc., Towson, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65360 ; 65357 ; 65361 ;
Abstract
A pivotally mounted mold support has a cylindrical roller extending parallel to the pivot shaft. A pivotal lever arm is connected to the mold support via a link which is connected to the pin supporting the cylindrical roller. The lever arm has a cam surface which engages the roller to close the mold support and establish a line of force extending between the axis of the roller and the axis of the pivot shaft.