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1. 发明授权

US06561285B2 Breaking apparatus and tool 有权
标题翻译：破碎装置和工具
公开(公告)号：US06561285B2
公开(公告)日：2003-05-13
申请号：US09971678
申请日：2001-10-09
申请人： Juha Intonen , Ossi Kahra , Jari Korkeila , Ilkka Niemi , Timo Sippus
发明人： Juha Intonen , Ossi Kahra , Jari Korkeila , Ilkka Niemi , Timo Sippus
IPC分类号： B25D1102
CPC分类号： B25D17/00 , E02F3/966
摘要： A breaking apparatus, which comprises a percussion device (1), and in the extension thereof, a tool (3) to which a percussion piston (2) belonging to a percussion device delivers impacts. In the axial direction, the movement of the tool is limited by a stopper element (15) if the movement of the tool exceeds a predetermined range of movement (B) in the direction of the impact (A). The stopper element (15) is a piece made of elastic material, which is arranged in a space between the tool and a supporting surface (16). During the stopping of the tool, the capacity of the space for the stopper element reduces, whereby the element is subjected to pressing. By the effect of the tool movement, the stopper element thus rotates about its cross-sectional central axis (21) and at the same time changes its cross-sectional shape in the reducing space. The invention further relates to a tool used in the above-described breaking apparatus.
摘要翻译：一种破碎装置，其包括冲击装置（1），并且在其延伸部分中，属于冲击装置的冲击活塞（2）向其施加冲击的工具（3）。如果工具的运动在冲击方向（A）上超过预定的运动范围（B），则在轴向方向上，工具的移动受到止动元件（15）的限制。止动元件（15）是由弹性材料制成的件，其被布置在工具和支撑表面（16）之间的空间中。在工具停止期间，用于止动件的空间的容量减小，由此元件受到压力。通过工具运动的作用，止动元件因此绕其横截面中心轴线（21）旋转，同时在减小空间中改变其横截面形状。本发明还涉及在上述断开装置中使用的工具。

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