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Patent Searching and Data


Title:
JOINT BOOT
Document Type and Number:
WIPO Patent Application WO/2005/100813
Kind Code:
A1
Abstract:
A joint boot enabling an increase in the sealability of a large diameter side mounting part to an outer case, comprising the large diameter side mounting part (2), a small diameter side mounting part (4), and a bellows part (5). A plurality of projected parts (7) are formed on the inner peripheral part of the large diameter side mounting part (2) so that the projected parts (7) can be fitted to a plurality of recessed parts (8) formed in the outer peripheral part of the outer case (1). The large diameter side mounting part (2) is formed separately from the bellows part (5), and a fitting cylindrical part (6) fitted to the large diameter side mounting part (2) is extended to one end of the bellows part (5). The projected part (7) comprises an inside wall part (12) extended in a curved shape in the radial inner direction, an arc-shaped outside wall part (11) forming a part of the outer peripheral surface of the large diameter mounting part, a center support wall (13A) connecting these side walls to each other in the circumferential center thereof, and a pair of left and right side-support walls (13B) and (13B) connecting the inside wall part to the outside wall part on both sides thereof so that four lightening holes (21A), (22A), (23A), and (24A) can be formed in the projected part (7) parallel with each other in the circumferential direction.

Inventors:
Ohshita, Takenori c/o Toyo Tire & Rubber Co. Ltd. (17-18, Edobori 1-chome, Nishi-k, Osaka-shi Osaka 02, 55000, JP)
Imazu, Eiichi c/o Toyo Tire & Rubber Co. Ltd. (17-18, Edobori 1-chome, Nishi-k, Osaka-shi Osaka 02, 55000, JP)
Application Number:
PCT/JP2004/017386
Publication Date:
October 27, 2005
Filing Date:
November 24, 2004
Export Citation:
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Assignee:
TOYO TIRE & RUBBER CO., LTD. (17-18, Edobori 1-chome Nishi-k, Osaka-shi Osaka 02, 55000, JP)
Ohshita, Takenori c/o Toyo Tire & Rubber Co. Ltd. (17-18, Edobori 1-chome, Nishi-k, Osaka-shi Osaka 02, 55000, JP)
Imazu, Eiichi c/o Toyo Tire & Rubber Co. Ltd. (17-18, Edobori 1-chome, Nishi-k, Osaka-shi Osaka 02, 55000, JP)
International Classes:
F16D3/84; F16J3/04; F16J15/52; (IPC1-7): F16D3/84; F16J15/52
Foreign References:
JP2002340013A2002-11-27
JP2003504582A2003-02-04
JP2004060893A2004-02-26
EP0915264A21999-05-12
JP2003329059A2003-11-19
US5529538A1996-06-25
JPS5560726A1980-05-08
Attorney, Agent or Firm:
Tsutada, Akiko (9th Floor, Nissei Bingomachi Bldg. 7-10, Bingomachi 1-chome, Chuo-k, Osaka-shi Osaka 51, 54100, JP)
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