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:
Feb. 28, 1978
Filed:
Oct. 21, 1975
Applicant:
Inventor:
Ross W Johnston, Norristown, PA (US);
Assignee:
Sperry Rand Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
101 9348 ; 101 9302 ;
Abstract
A high-speed fast acting actuator for an impact printing mechanism. The actuator has an improved high-strength low-mass actuating arm made of magnetic material. The actuating arm comprises a uniform thickness center lever and plates of magnetic material attached at the moment arm.