A bit (10) includes a mouthpiece (12) having two mouthpiece members (20). Each of the mouthpiece members has an end (20a,20b) which faces the other mouthpiece member, and the two ends are connected to one another by a joining arrangement comprising (26) one or more pivots and a stop system. The stop system limits the relative angular displacement of the mouthpiece members from a reference position towards the rear of a horse. In the reference position, the joining arrangement and the two ends of the mouthpiece members connected by the arrangement lie approximately along a straight line. The stop system prevents relative angular displacement of the mouthpiece members from the reference position towards the rear of the horse or limits the relative angular displacement in this direction to a minor fraction of the maximum possible relative angular displacement of the mouthpiece members from the reference position towards the front of the horse.
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机译：钻头（ 10 ）包括具有两个烟嘴构件（ 20 ）的烟嘴（ 12 ）。每个烟嘴部件的一端（ 20 a ，20 b ）面向另一个烟嘴部件，两端通过包括（ 26 ）一个或多个枢轴和一个止动系统的连接装置相互连接。止动系统限制了吸口构件从参考位置朝向马的后方的相对角位移。在参考位置，连接装置和通过该装置连接的烟嘴构件的两端大致沿直线放置。止动系统防止吸嘴构件从参考位置朝马的后方的相对角位移或将吸嘴构件在该方向上的相对角位移限制在吸嘴构件从参考位置朝马的最大可能相对角位移的一小部分马的前面。
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