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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2017/170544
Kind Code:
A washer 1 has a washer main body that slides against another member by a first surface 10a and a second surface 10b of a plate formed into an annular shape. The first surface 10a is provided with a land part 11a, a taper part 12a, and an oil groove 13a. The land part 11a is a portion extending along the first surface 10a. The taper part 12a is a portion inclined so as to decrease in height from both sides of the land part 11a in the circumferential direction of the washer 1. The oil groove 13a is a groove facing the thinnest portion of the taper part 12a. The oil groove 13a and the taper part 12a on both circumferential-direction sides are sections recessed further in a -z direction is than the land part 11a, and are included in a first recess Ua. The second surface 10b has a second recess Ub provided to a different position than the first recess Ua in the circumferential direction. A notched part is provided in an inner peripheral surface 17 of the washer 1.

HAMAMOTO, Tadahiro (65, Midorigaoka 3-chome, Toyota-sh, Aichi 02, 〒4718502, JP)
Application Number:
Publication Date:
October 05, 2017
Filing Date:
March 28, 2017
Export Citation:
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TAIHO KOGYO CO., LTD. (65 Midorigaoka 3-chome, Toyota-shi Aichi, 02, 〒4718502, JP)
International Classes:
F16C17/04; F16C33/10
Foreign References:
Attorney, Agent or Firm:
ASAHI PATENT FIRM (3rd Fl, NTF Takebashi Bldg. 15, Kanda-Nishikicho 3-chome, Chiyoda-k, Tokyo 54, 〒1010054, JP)
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