Title:
PAD FOR LEAF SPRING
Document Type and Number:
WIPO Patent Application WO/2010/004878
Kind Code:
A1
Abstract:
A curved surface section (123) having a curved surface-shaped cross-section is formed in a recess (121) in a pad (110). The curved surface section (123) has a contact section (123A) which is, in an initial state of a leaf spring, in contact with that tension surface of the leaf spring which is located opposed to the contact section (123A). The thickness of the curved surface section (123) decreases from the contact section (123A) toward ends of the curved surface section (123), and this separates the ends from the tension surface of the leaf spring. In the pad (110), the curved surface section (123) in the recess (121) is configured to a height which avoids contact between the tension surface and corners of the ends of the curved surface section (123) when an end of the leaf spring is at a maximum stroke position. The tension surface of the leaf spring does not wear through contact thereof with the ends of the curved surface section (123). As a result, the leaf spring is prevented from breaking due to wear.
Inventors:
KANEMATSU, Tsunefumi (10, Fukuura 3-chome, Kanazawa-ku, Yokohama-sh, Kanagawa 04, 〒2360004, JP)
Application Number:
JP2009/061594
Publication Date:
January 14, 2010
Filing Date:
June 25, 2009
Export Citation:
Assignee:
NHK SPRING CO., LTD. (10 Fukuura 3-chome, Kanazawa-ku Yokohama-sh, Kanagawa 04, 〒2360004, JP)
日本発條株式会社 (〒04 神奈川県横浜市金沢区福浦３丁目１０番地 Kanagawa, 〒2360004, JP)
日本発條株式会社 (〒04 神奈川県横浜市金沢区福浦３丁目１０番地 Kanagawa, 〒2360004, JP)
International Classes:
B60G11/113; F16F1/20; B60G5/03; B60G11/40
Attorney, Agent or Firm:
SUENARI, Mikio (Asaco Kyobashi Building 3rd floor, 6-13 Kyobashi 1-chome, Chuo-k, Tokyo 31, 〒1040031, JP)
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