公开(公告)号：US4768297A

公开(公告)日：1988-09-06

申请号：US059816

申请日：1987-06-09

申请人： Daniel Rivard

发明人： Daniel Rivard

IPC分类号： E02F3/20 ,  E02F3/24 ,  E02F3/92 ,  E02F5/02 ,  E02F9/28 ,  E02F5/08

CPC分类号： E02F9/2858 ,  E02F3/20 ,  E02F3/241 ,  E02F3/9225 ,  E02F9/2866

摘要： A trenching wheel more especially for digging trenches, of the type in which the tools are mounted on ring portions removably fixed to the periphery of said wheel. The arrangement for fixing each ring portion to the periphery of said wheel include:a first assembly of two end faces provided respectively at the ends of said ring portiona second assembly of two abutment faces fixed to the periphery of said wheel and orthogonal to the plane thereof; anda wedge shaped key insertable from outside the periphery of said wheel inwardly thereof, between an end face of said first assembly and an abutment face of said second assembly for applying the other of said end faces of said first assembly under pressure against the other of said abutment faces of said second assembly.

摘要翻译： 更特别地用于挖沟的挖沟轮，其中工具安装在可拆卸地固定到所述轮的周边的环部上。 用于将每个环部分固定到所述轮的周边的布置包括：分别在所述环部分的端部处设置的两个端面的第一组件，其具有固定到所述轮的周边并且垂直于所述平面的两个邻接面的第二组件 的; 以及楔形钥匙，其可从所述车轮的周边的外侧向内插入，位于所述第一组件的端面和所述第二组件的邻接面之间，用于将所述第一组件的所述端面中的另一个在相对于另一个 所述第二组件的邻接面。