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:
Mar. 23, 1982
Filed:
Nov. 16, 1979
Hitachi, Ltd., Tokyo, JP;
Abstract
A coil winding machine for winding a coil on a cylindrical core having peripheral slots such as the rotor core of an electric motor, particularly suitable for use in the coil winding on a core having small intersecting angle of a pair of the peripheral slots for receiving wires of the same coil. To the lower end of a rotary shaft having the flyer, attached are a former rotatable relatively to the rotary shaft and provided with a guide portion opposing to the end surface of the core, and a pair of winding frames positioned between the end surface of the core and the guide portion of the former. A pair of bending means are disposed to oppose to each other with the winding frames interposed therebetween. The bending means are movable toward and away from said winding frames and also in the up and down directions.