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. 16, 2015
Filed:
Feb. 20, 2013
Mitsuba Corporation, Kiryu-shi, Gunma, JP;
Masaru Ishikawa, Kiryu, JP;
Kenji Sakata, Kiryu, JP;
Mitsuba Corporation, Kiryu-shi, Gunma, JP;
Abstract
A wiper motorincludes: an armaturean armature shafta corecomposed of eighteen teeth portions; a commutatorhaving eighteen commutator barsto; and a windingcomposed of eighteen coil portionsto; an equalizercomposed of nine connecting conductorsto; a first brusha second brushshifted from a first brushby 90 degrees, and a third brushshifted from the first and second brushes by 90 or more degrees, each brush being arranged so as to come in sliding contact with the commutator bars, the first brush being connected to a common electric potential, a current for rotating the armature at low speed is selectively supplied to the second brush, and a current for rotating the armature at high speed is selectively supplied to the third brush.