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1.发明公开Two-member connecting device, in particular for a multi-boom hydraulic excavator 有权两件式结构，其具有两件式连接装置
公开(公告)号：EP2233643A2
公开(公告)日：2010-09-29
申请号：EP10155361.8
申请日：2010-03-03
摘要： Left and right upper centering members (33) and lower centering members (34) are provided at positions respectively opposing left and right second brackets (14), (15) in an extension boom (5B). As engaging groove portions (33C) of the upper centering members (33) are engaged with left and right upper connecting pins (16), (17), the left and right upper connecting pins (16), (17) can be centered with respect to left and right upper second pin insertion holes (14A), (15A), and can be smoothly inserted into these left and right upper second pin insertion holes (14A), (15A). In addition, as abutting groove portions (34C) of the lower centering members (34) are abutted against left and right lower connecting pins (18), (19), the left and right lower connecting pins (18), (19) can be centered with respect to left and right lower second pin insertion holes (14B), (15B), and can be smoothly inserted into these left and right lower second pin insertion holes (14B), (15B).
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2.发明公开Two-member connecting device, in particular for a multi-boom hydraulic excavator 有权两部分的连接装置，特别是用于具有液压挖掘机的动臂的多个的
公开(公告)号：EP2233643A3
公开(公告)日：2014-09-24
申请号：EP10155361.8
申请日：2010-03-03
摘要： Left and right upper centering members (33) and lower centering members (34) are provided at positions respectively opposing left and right second brackets (14), (15) in an extension boom (5B). As engaging groove portions (33C) of the upper centering members (33) are engaged with left and right upper connecting pins (16), (17), the left and right upper connecting pins (16), (17) can be centered with respect to left and right upper second pin insertion holes (14A), (15A), and can be smoothly inserted into these left and right upper second pin insertion holes (14A), (15A). In addition, as abutting groove portions (34C) of the lower centering members (34) are abutted against left and right lower connecting pins (18), (19), the left and right lower connecting pins (18), (19) can be centered with respect to left and right lower second pin insertion holes (14B), (15B), and can be smoothly inserted into these left and right lower second pin insertion holes (14B), (15B).
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公开(公告)号：EP2233643B1
公开(公告)日：2017-05-31
申请号：EP10155361.8
申请日：2010-03-03
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