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. 30, 1990
Filed:
Apr. 24, 1989
Applicant:
Inventor:
Gary A Zagorski, Downers Grove, IL (US);
Assignee:
Rotation Dynamics Corporation, Hinsdale, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01R / ;
U.S. Cl.
CPC ...
439 28 ; 101153 ; 101206 ;
Abstract
A rotary safety contact featuring dual brush contacts, contained within an isolating housing, shielded from the environment, purged with compressed air to prevent the entry of potentially explosive vapors, and adapted to be connected to a conductive cylinder/roller for electrostatic assist rotogravure printing is disclosed and described.