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Title:
BEARING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/170868
Kind Code:
A1
Abstract:
Provided is a bearing device configured so that the formation of rust is prevented for a long period of time. Provided is a bearing device for a wiper arm, which is used to mount a retainer to an arm head so that the retainer can pivot. The bearing device 14 is provided with: an outer bushing 20 press-fitted in the hinge section of the arm head 12; an inner bushing 22 rotatably inserted in the bore of the outer bushing; and a rivet 24 inserted in the bore of the inner bushing and integrally affixing the retainer and the inner bushing. The hinge section of the retainer, the inner bushing, and the rivet can pivot relative to the hinge section of the arm head and the outer bushing. The outer bushing 20 is provided with an inner bushing section 40 and an outer bushing section 42 which is provided on the outer periphery of the inner bushing section and which is joined to the inner bushing section. The joining surface of the inner bushing section and the joining surface of the outer bushing section are joined by interatomic bond, and the outer bushing section is formed from the same material as the arm head.

Inventors:
MITSUMORI, Kazuto (311, Aza Numagashira, Oaza Shimotakayanagi, Kazo-sh, Saitama 85, 〒3478585, JP)
ISO, Tomonori (311, Aza Numagashira, Oaza Shimotakayanagi, Kazo-sh, Saitama 85, 〒3478585, JP)
Application Number:
JP2016/057704
Publication Date:
October 27, 2016
Filing Date:
March 11, 2016
Export Citation:
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Assignee:
NIPPON WIPER BLADE CO., LTD. (311 Aza Numagashira, Oaza Shimotakayanagi Kazo-sh, Saitama 85, 〒3478585, JP)
International Classes:
F16C11/04; B60S1/34
Foreign References:
JP2014117958A2014-06-30
JPS63199865U1988-12-22
JPS60182519U1985-12-04
Attorney, Agent or Firm:
ONO, Shinjiro et al. (YUASA AND HARA, Section 206 New Ohtemachi Bldg., 2-1, Ohtemachi 2-chome, Chiyoda-k, Tokyo 04, 〒1000004, JP)
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