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:
Jan. 16, 1996
Filed:
May. 12, 1994
Akira Kuragaki, Himeji, JP;
Shigeru Shiroyama, Himeji, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A brush device having a brush holding frame made of an insulation material provided with a plurality of brush accommodating portions which are open at end portions thereof in the axial direction and at inner peripheral portions thereof in the radial direction, and a pair of protruded portions at opposing outer ends thereof in the radial direction; brushes accommodated in the brush accommodating portions along with brush springs, press-contacting a commutator of a direct current machine; an insulation plate touching an end face of the brush holding frame in the axial direction, covering the open portions at the end portions of the brush accommodating portion; and a pair of U-shaped attaching pieces mounted on and pinching both end faces of the pair of protruded portions of the brush holding frame thereby fixing the insulation plate to the end face of the brush holding frame in the axial direction comprises tap accommodating holes previously provided for accommodating front ends of taps for machining tapped holes at positions of first straight portions of said U-shaped attaching pieces in correspondence to tapped holes of second straight portions of said U-shaped attaching pieces.