Title:
CRAWLER TRAVEL DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/121809
Kind Code:
A1
Abstract:
Engagement recesses (62) which engage with driving stud bodies (31) are formed in such a way as to be located between adjacent metal cores (61) in the peripheral direction of a belt. A driving sprocket is configured such that a disk-shaped member (30) overlaps the motion trajectory of core metal protrusions, as seen in a side view, that the driving stud bodies (31) are provided at predetermined intervals on the outer periphery of the disk-shaped member (30) in the peripheral direction of the disk-shaped member (30), that the driving stud bodies (31) are formed in such a way as to protrude laterally from the disk surface of the disk-shaped member (30) in the belt width direction which intersects the disk surface of the disk-shaped member (30), that the engagement recesses (62) and the driving stud bodies (31) face one another, thereby forming contact surfaces, and that at positions on said contact surfaces that are away in the belt width direction from positions where the metal core protrusions are faced, there are provided bulging-out abutting sections (33) which bulge out in such a way that the distances between said contact surfaces are shortened compared with the contact surfaces at positions where the engagement recesses (62) face the driving stud bodies (31).
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Inventors:
ABIKO Yutaka (BRIDGESTONE CORPORATION 1, Kashiocho, Totsuka-ku, Yokohama-sh, Kanagawa 10, 〒2448510, JP)
安孫子穣 (〒10 神奈川県横浜市戸塚区柏尾町１番地 株式会社ブリヂストン 横浜工場内 Kanagawa, 〒2448510, JP)
ISHIHARA Kazuma (Sakai Seizosho 64, Ishizukitamachi, Sakai-ku, Sakai-sh, Osaka 23, 〒5900823, JP)
石原和真 (〒23 大阪府堺市堺区石津北町６４番地 株式会社クボタ 堺製造所内 Osaka, 〒5900823, JP)
安孫子穣 (〒10 神奈川県横浜市戸塚区柏尾町１番地 株式会社ブリヂストン 横浜工場内 Kanagawa, 〒2448510, JP)
ISHIHARA Kazuma (Sakai Seizosho 64, Ishizukitamachi, Sakai-ku, Sakai-sh, Osaka 23, 〒5900823, JP)
石原和真 (〒23 大阪府堺市堺区石津北町６４番地 株式会社クボタ 堺製造所内 Osaka, 〒5900823, JP)
Application Number:
JP2010/063608
Publication Date:
October 06, 2011
Filing Date:
August 11, 2010
Export Citation:
Assignee:
BRIDGESTONE CORPORATION (10-1, Kyobashi 1-chome Chuo-k, Tokyo 40, 〒1048340, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１丁目１０番１号 Tokyo, 〒1048340, JP)
KUBOTA CORPORATION (2-47, Shikitsuhigashi 1-chome Naniwa-ku, Osaka-sh, Osaka 01, 〒5568601, JP)
株式会社クボタ (〒01 大阪府大阪市浪速区敷津東一丁目２番４７号 Osaka, 〒5568601, JP)
ABIKO Yutaka (BRIDGESTONE CORPORATION 1, Kashiocho, Totsuka-ku, Yokohama-sh, Kanagawa 10, 〒2448510, JP)
安孫子穣 (〒10 神奈川県横浜市戸塚区柏尾町１番地 株式会社ブリヂストン 横浜工場内 Kanagawa, 〒2448510, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１丁目１０番１号 Tokyo, 〒1048340, JP)
KUBOTA CORPORATION (2-47, Shikitsuhigashi 1-chome Naniwa-ku, Osaka-sh, Osaka 01, 〒5568601, JP)
株式会社クボタ (〒01 大阪府大阪市浪速区敷津東一丁目２番４７号 Osaka, 〒5568601, JP)
ABIKO Yutaka (BRIDGESTONE CORPORATION 1, Kashiocho, Totsuka-ku, Yokohama-sh, Kanagawa 10, 〒2448510, JP)
安孫子穣 (〒10 神奈川県横浜市戸塚区柏尾町１番地 株式会社ブリヂストン 横浜工場内 Kanagawa, 〒2448510, JP)
International Classes:
B62D55/253; B62D55/12
Attorney, Agent or Firm:
KITAMURA Shuichiro (3-3 Nakanoshima 3-chome, Kita-ku Osaka-sh, Osaka 05, 〒5300005, JP)
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