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:
Dec. 04, 1979
Filed:
May. 05, 1978
Applicant:
Inventor:
William J Lichtenberger, Murrysville, PA (US);
Assignee:
Westinghouse Air Brake Company, Swissvale, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
335270 ; 335276 ;
Abstract
An improved electromagnetic relay structure employing a multiple coil U-shaped electromagnet, a flat spring biased armature and a single piece U-shaped metallic frame for providing a floating hinge joint and a teeter point for the armature whereby the magnetic attractive pull on the armature is enhanced without diminishing the amount of armature movement.