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1. 发明申请

WO1993019899A1 IMPROVEMENTS IN PNEUMATIC POWERTOOLS 审中-公开
标题翻译：气动电动机的改进
公开(公告)号：WO1993019899A1
公开(公告)日：1993-10-14
申请号：PCT/GB1993000645
申请日：1993-03-29
申请人： COMPAIR POWER TOOLS LIMITED , HALL, Raymond, John
发明人： COMPAIR POWER TOOLS LIMITED
IPC分类号： B25D17/24
CPC分类号： B25D17/245 , B25D9/26
摘要： A pneumatic power drill comprises a piston (13) reciprocal in a cylinder (12) defined within a cylindrical casing (11) of the tool. A bit (14) is actuable by the piston and means are provided by supplying air and pressure alternatively to opposite sides of the piston to reciprocate the piston in the cylinder. A handle (20) is slidably attached to the casing, resilient connection means being provided between the handle and the casing. The resilient connection means comprise a spring (46) and an air damper formed by compressed air filling a space around spring (46). The resilient connection means ensure that, in use, the vibration transmitted to the handle from the tool is substantially reduced.
摘要翻译：气动动力钻包括在限定在工具的圆柱形壳体（11）内的气缸（12）中往复运动的活塞（13）。一点（14）可由活塞致动，并且通过将活塞和活塞的压力交替地供应到活塞的相对侧而使活塞在气缸中往复运动来提供装置。手柄（20）可滑动地附接到壳体，弹性连接装置设置在手柄和壳体之间。弹性连接装置包括弹簧（46）和由填充弹簧（46）周围的空间的压缩空气形成的空气阻尼器。弹性连接装置确保在使用中从工具传递到手柄的振动大大减少。

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