发明授权
- 专利标题： Crawler type traveling apparatus, sprocket for crawler belt and segments thereof
- 专利标题（中）： 履带式行驶装置，履带用链轮及其部分
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申请号： US10394648申请日： 2003-03-24
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公开(公告)号： US06883876B2公开(公告)日： 2005-04-26
- 发明人: Teiji Yamamoto , Akira Hashimoto
- 申请人： Teiji Yamamoto , Akira Hashimoto
- 申请人地址： JP Tokyo
- 专利权人： Komatsu Limited
- 当前专利权人： Komatsu Limited
- 当前专利权人地址： JP Tokyo
- 代理机构： Westerman, Hattori, Daniels & Adrian, LLP
- 优先权： JP2002-095321 20020329
- 主分类号： B62D55/15
- IPC分类号： B62D55/15 ; B62D55/088 ; B62D55/13 ; B62D55/21 ; F16G13/07 ; B60S1/62 ; B62D55/12 ; F16H57/00
摘要：
The invention provides a crawler type traveling apparatus which can be stably used for a long time period, and furthermore provides a crawler belt sprocket and a segment thereof which is best suited for the crawler type traveling apparatus.A crawler type traveling apparatus is provided with a crawler belt (3) and a crawler belt sprocket (2). The crawler belt (3) is structured such that a plurality of links (4) are connected via a bearing structure body (5) having a pin (7) a bush (8) which is outward fitted to the pin (7), and seal member (10, 10) which are arranged in both end sides of the bush (8). Guide portions (G, G) making an intrusion into a portion between the relatively facing links (4, 4) are protruded from both side surfaces of the sprocket (2). The sprocket (2) is connected via the bearing structure body (5), and a gear tooth portion (26) thereof makes an intrusion into the portion between the relatively facing links (4, 4) so as to be engaged with the bush (8). Space portions (36, 36) are formed in an outer side of the seal members (10, 10) in the engagement state.
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