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.

Date of Patent:
Mar. 30, 1999

Filed:

Jul. 07, 1997
Applicant:
Inventors:

Masato Iwata, Kiryu, JP;

Hiroshi Hagiwara, Isesaki, JP;

Eiichi Machida, Maebashi, JP;

Assignee:

Mitsuba Corporation, Kiryu, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ;
U.S. Cl.
CPC ...
310 88 ; 310 89 ; 310 71 ;
Abstract

A waterproof electric motor structure in which a yoke 5 is covered with a bottomed cylindrical waterproof cover 12. An open end edge portion 12a of the waterproof cover 12 is internally engaged with a recessed groove portion 10b of a pump bracket 10 by being abutted thereagainst and sealed by a seal member 13. Through holes 5d, 12c are defined in the yoke 5 and the waterproof cover 12, respectively, and a locking cylinder 12d is formed in the cover side through hole 12c. A coupler 14 assembled to pass through both the through holes 5d, 12c is supported by the locking cylinder 12d in a removal prevention state. Further sealing is made by interposing a seal member 16 between a cover side stepped portion 12f and a coupler side stepped portion 14d.


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