专利名称：DEVICE RELATING TO A FLUSHING HEAD
市场营销方案范文
FOR A ROCK DRILLING MACHINE AND ROCK人生没有白走的路
DRILLING MACHINE
远程研修
发明人：JONSSON, Per
申请号：EP13857500.6
申请日：20131029
公开号：EP2923026B1香港鬼故事
公开日：
图片打印怎么打20210818
专利内容由知识产权出版社提供
摘要：A device for a flushing head (3) of a rock drilling machine (1), which includes a machine housing (3) and, inside a cylinder (18), a to and fro moveable percussive piston (17) arranged to exert percussive action against a shank adapter (15), wherein the shank adapter has symmetry axis (19) and a flushing medium channel (22,23) for co-operation with a flushing medium chamber (24) in the flushing head (3) surrounding the shank adapter (15), said flushing head (3) being provided with a connection unit (7) for the connection to a flushing ho (10). The flushing head (3) and the machine housing (2) exhibit co-operating fastening means and fastening elements (6) in line with a force direction of tensile forces (F) being exerted by the flushing medium ho (10) on the connection unit (7) for movability of the flushing head (3) in respect of the machine housing (2) in directions perpendicular to said symmetry axis (19). The device also concerns a rock drilling machine including such a device.
代理机构：Ehrner & Delmar Patentbyrå AB
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