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. 03, 1995
Filed:
Apr. 14, 1994
Applicant:
Inventor:
Sergio Cattaneo, Milan, IT;
Assignee:
Bull HN Information Systems Italia S.p.A., Turin, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
40012421 ; 40012423 ;
Abstract
A wire printhead comprising a plurality of electromagnets and a corresponding plurality of armatures, each provided with an actuator arm forming, with the juxtaposed armature to an electromagnet, a lever of first order for actuating an impression wire attached to a free end of the actuator arm, said lever being biased to the rest position by a flexurally pre-loaded leaf spring acting on the lever in a predetermined position with respect to the lever fulcrum, through a resilient element which defines the point of application to the lever of the force from the leaf spring.