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. 28, 2006
Filed:
Jan. 21, 2004
Applicant:
Paolo Nava, Bergamo, IT;
Inventor:
Paolo Nava, Bergamo, IT;
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C 49/42 (2006.01); B29C 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A star construction having variable pitch arms for a rotary molding machine for making plastic vessels and bottles, comprises a plurality of arms including gripper elements and a system including two levers which engages with the grippers, while cooperating with respective cam contours, the lever and cam system being reciprocatedly driven for providing a pitch variation and controlling the positions of the gripper elements. With respect to prior solutions, the variable pitch arm star construction according to the invention allows to quickly and simply perform the operations necessary for modifying the arm pitch.