Seal member, and plug tube seal structure for engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9169803
APP PUB NO 20140020647A1
SERIAL NO

14110107

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A seal member (3) is disposed between a cylinder head cover (1) in which an ignition plug mounting hole (1a) is formed and a plug tube (2) which is inserted in the ignition plug mounting hole (1a). The seal member (3) is provided with: a base section (31) configured to be elastically deformable and inserted into the ignition plug mounting hole (1a); a protrusion section (32) formed so as to protrude outward in the radial direction from the outer peripheral surface of the base section (31) and engaging with a groove (12b) formed in the inner peripheral surface of the ignition plug mounting hole (1a); a seal lip section (33) in elastic contact with the outer peripheral surface of the plug tube (2); and a grip section (34) formed between the base section (31) and the seal lip section (33) and protruding downward from the ignition plug mounting hole (1a).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MAHLE JAPAN LTD1-9-12 KITA-OTSUKA TOSHIMA-KU TOKYO 170-0004

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akiyama, Yoshihiro Saitama, JP 21 309
Musha, Shinichi Tokyo, JP 17 301

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