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1. 发明申请

US20200223256A1 IMPACT TOOL 审中-公开
公开(公告)号：US20200223256A1
公开(公告)日：2020-07-16
申请号：US16246657
申请日：2019-01-14
申请人： DINO PAOLI S.R.L.
发明人： Patrizia PAOLI , Federico GALLONI , Emanuele BORSETTO
IPC分类号： B60B29/00 , B25B23/145 , B25D9/06
摘要： An impact tool comprises: a casing; a rotating hammer arranged in the casing and rotatable by a motor; a rotating interface element arranged in the casing and rotatable by the hammer by a series of impacts; an output shaft rotating around a rotation axis, the output shaft having a proximal end fixed to the interface element and a distal end protruding from the casing, the distal end ending with a connecting element for removable connection to an outer mechanical adaptor; a unit of measurement arranged for obtaining torque of the output shaft by a torque sensor mounted to the output shaft, the unit of measurement comprising a fixed measuring assembly mounted integrally to the casing and a rotating measuring assembly mounted so as to rotate integrally with the rotating output shaft; the fixed measuring assembly being configured to generate a supply signal and transmit the supply signal to the rotating measuring assembly to supply electrically the rotating measuring assembly; the rotating measuring assembly being configured to detect a measuring signal indicating the torque and condition the measuring signal in order to be able to send the measuring signal to the fixed measuring assembly; in which the fixed measuring assembly and the rotating measuring assembly comprise electronic devices that execute a two-directional communication in contactless mode by magnetic coupling between the fixed measuring assembly and the rotating measuring assembly, the communication being configured to supply magnetically the torque sensor and permit transmission of the measuring signal conditioned by the rotating measuring assembly to the fixed measuring assembly.

2. 发明申请

US20190232471A1 IMPACT TOOL 审中-公开
公开(公告)号：US20190232471A1
公开(公告)日：2019-08-01
申请号：US15886002
申请日：2018-02-01
申请人： DINO PAOLI S.R.L.
发明人： Patrizia PAOLI , Federico GALLONI , Paolo TASSIN
IPC分类号： B25B23/145 , B25B21/02
CPC分类号： B25B23/1453 , B23P19/066 , B25B21/02 , B25B23/1475 , B60B29/006 , G01L5/24
摘要： An impact tool includes a housing, a rotating hammer arranged in the housing and rotatable by a motor, and a rotating anvil arranged in the housing and rotatable by the hammer by a series of impacts. An output shaft has a proximal end fixed to the anvil and a distal end protruding from the housing and ending with a fitting element for removable connection with an external mechanical adapter. A sensor unit includes a rotational torque sensor for detecting a torque of the shaft. The torque sensor includes at least one extensometric transducer fixed to an outer surface of a cylindrical portion of the distal end adjacent to the fitting element to detect a deformation signal that is proportional to a deformation of the outer surface when the shaft is rotated and indicative of the torque. The sensor unit further includes a rotating electronic module connected to the extensometric transducer and includes a microprocessor for conditioning the deformation signal, the rotating electronic module being shaped in such a manner to surround the cylindrical portion and mounted to rotate integrally with the rotating output shaft.

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