发明名称 Tool ratchet
摘要 A tool ratchet for tightening and loosening screws and/or nuts and the like, has a handle and a receiving piece operatively connected with handle via a ratchet mechanism, and with an electric motor, with which torque is transferable to the receiving piece via a non-positive connection, and a coupling for disconnecting the non-positive connection.
申请公布号 US7836797(B2) 申请公布日期 2010.11.23
申请号 US20070924331 申请日期 2007.10.25
申请人 ROBERT BOSCH GMBH 发明人 HECHT JOACHIM;KRAUS MARTIN
分类号 B25B21/00 主分类号 B25B21/00
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