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:
Jun. 27, 2000
Filed:
Nov. 04, 1998
Masashi Yamamura, Hamamatsu, JP;
Terumitsu Takahashi, Hamamatsu, JP;
Asmo Co., Ltd., , JP;
Abstract
A method of winding an armature of a four-poled dc motor composed of the armature having (4m+1) slots and a commutator having the same number of commutator segments as the slots. The method employs a first and second coil formers. Each of formers has a pair of guiding surfaces around the armature so that the first coil former is located at a pair of slots to be wound at a m-slot pitch and the second former is located at another pair of slots to be wound at a m-slot pitch. Then, two wires are respectively wound on the first and second coil formers concurrently to be guided into the pairs of slots to be wound respectively. Subsequently, the armature is rotated by an angle 180+180/(4m+1) so that two wires can be wound repeatedly. Thereafter, the armature is rotated, and the wire is wound on the first coil former only to be guided into another pair of slots. This step is repeated three times.