US Patent 7973448 Brush holder and method for manufacturing brush holder

Patent 7973448 was granted and assigned to Asmo Co. Ltd. on July, 2011 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Asmo Co. Ltd.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

79734480

Patent Inventor Names

Nobuo Mizutani0

Shingo Omori0

Date of Patent

July 5, 2011

Patent Application Number

124126250

Date Filed

March 27, 2009

Patent Primary Examiner

‌

Quyen Leung

Patent abstract

A brush holder having brush holding portions and coil holding portions is disclosed. Each brush holding portion holds a brush such that the brush is slidable on a commutator attached to a rotary shaft. Each coil holding portion holds a choke coil electrically connected to one of the coils. The brush holder includes a holder base member and brush holding members that are assembled to the holder base member so as to form the brush holding portions. Each brush holding member includes a coil supporting portion, which forms the coil holding portion between the corresponding brush holding member and the holder base member.