Clutch seal

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10100881
APP PUB NO 20150292572A1
SERIAL NO

14440170

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention provides a clutch seal which can enhance a durability of a membrane portion which is a constituting part of a seal and is constructed by a rubber-like elastic body, and can inhibit a working fluid from standing in a concave surface of the membrane portion. The clutch seal of the invention is an annular seal interposed between a clutch plate in a dry clutch and a piston pressing the clutch plate, has a middle ring fixed to the piston between an outer ring and an inner ring which are fixed to a clutch housing, and has membrane portions constructed by a rubber-like elastic body respectively between the outer ring and the middle ring and between the inner ring and the middle ring, wherein the middle ring is arranged at an intermediate position of a stroke in an initial shape of the membrane portion.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NISSAN MOTOR CO LTD2 TAKARA-CHO KANAGAWA-KU YOKOHAMA-SHI KANAGAWA 2210023 ?2210023
NOK CORPORATIONTOKYO 105-8585

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akasaka, Yuuzo Yokohama, JP 1 0
Furuichi, Jun Yokohama, JP 17 337
Miyake, Kuniaki Tokyo, JP 17 165
Mukaida, Toshihiro Makinohara, JP 3 21
Okabe, Hitoshi Fujisawa, JP 12 67
Osone, Tatsuya Yokohama, JP 4 28
Tsukamoto, Koji Makinohara, JP 79 1037
Uehara, Hiroki Yokohama, JP 22 71
Yokota, Atsushi Fujisawa, JP 18 63

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 16, 2026
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 16, 2030
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00