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:
Mar. 05, 1996
Filed:
May. 02, 1995
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A ventilation system for a vehicular lamp including a communication hole formed in the vehicular lamp; a first peripheral wall projecting from a rear surface of the lamp at a position where said first peripheral wall surrounds said communication hole; an upper and lower water preventive walls projecting from said first peripheral wall downwardly of said communication hole; a second peripheral wall surrounding said first peripheral wall, said second peripheral wall projecting from the rear surface of the lamp; a lid member engaging with said second peripheral wall for covering said first and second peripheral walls; a first space defined between the lamp, said lid member and said first peripheral wall, said first space communicating through said communication hole with the lamp chamber; a second space defined between the lamp, said lid member and said upper and lower water preventive walls, said second space communicating with said first space through a first communication passage formed at a first position in the lateral direction; and a third space defined between the lamp, said lid member, said lower water preventive wall and said second peripheral wall, said third space communicating with said second space through a second communication passage formed at a second position opposite to said first position, said third space communicating with atmosphere.