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:
Oct. 01, 1985
Filed:
Jul. 05, 1983
Applicant:
Inventor:
Frank A Fenton, Wheatley, GB;
Assignee:
Emhart Industries, Inc., Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03D / ;
U.S. Cl.
CPC ...
65332 ; 65334 ; 83602 ; 83699 ; 83700 ;
Abstract
The feeder mechanism comprises apparatus for shearing gobs from plastic material e.g. glass comprising a set of shear blades movable between open and shearing positions thereof. A driving system for the shear blades comprises a cam having a cam track and a servo-motor arranged to drive the cam at a speed which is varied in accordance with control signals derived from a stored program to move the shear blades in accordance with a desired position against time curve between limits defined by the shape of the cam track.