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:
Jul. 22, 1997

Filed:

Dec. 27, 1995
Applicant:
Inventor:

Masaaki Shiga, Shizuoka, JP;

Assignee:

Yazaki Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
454275 ; 174 161 ; 174 / ; 220374 ; 2203671 ;
Abstract

A circumference wall is provided on a slant surface of a case. A cylindrical portion with a through hole for communicating the inside of the case to the outside is protruded inside the circumference wall. A shaft loosely fitted into the through hole is vertically provided from a reversely recessed cap. A falling out preventing portion for preventing the shaft from falling out the through hole is formed at the lower end of the shaft while a gap to the rear surface of the upper plate is secured. A communicating hole communicating with the gap between the shaft and the through hole when the falling out preventing portion is closely brought into contact with the rear surface of the upper plate, is provided on the falling out preventing portion. An outer circumference wall covered on the outside of the circumference wall and disposed to form a gap to the slant surface is vertically provided on the cap.


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