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. 10, 1998
Filed:
Aug. 14, 1995
Applicant:
Inventors:
Howard N Cannon, Gibsonia, PA (US);
Mark F Sommars, Sparland, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
335265 ; 335119 ; 25112901 ;
Abstract
A solenoid including a single coil of windings, an immovable stator, and opposed first and second armatures defining an air gap therebetween. A driving circuit energizes the coil to cause the first and second armatures to simultaneously move toward each other from respective first positions to respective second positions.