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. 14, 1978
Filed:
Oct. 04, 1976
Melvin A Lace, Prospect Heights, IL (US);
Synchro-Start Products, Inc., , DE (US);
Abstract
A sub-fractional A.C. signal generator incorporating a stator assembly comprising a coil wound upon an annular bobbin of molded insulator material, a pair of annular magnetically premeable stator members having alignment apertures snap-fit onto integral bosses projecting from the bobbin, in concentric relation in a stator sub-assembly, the two stator members affording a multiplicity of individual pole pieces interleaved one-for-one around the outer periphery of the coil. The sub-assembly and an insulator barrier are press fit onto opposite ends of a cylindrical stator support member within which a sleeve bearing is mounted to provide a complete stator assembly. A drive shaft is journalled in the stator bearing and carries an annular permanent magnet which encompasses the stator members but is spaced therefrom by a uniform radial air gap. A housing affixed to the insulator barrier encompasses rotor and stator assemblies.