专利名称：TOOL AND TOOL-HOLDER FOR PORTABLE
TOOL APPLIANCES
发明人：JOSEF OBERMEIER申请号：AU1102792申请日：19920217公开号：AU1102792A公开日：19920827
摘要：Rotational drivers (6, 7) of different radian measure are provided on atoolholder for hand held machines for transmitting a torque to the tool shank (8) of atool. Corresponding rotational-driving grooves (9, 10), likewise of different radianmeasure, are provided on the tool shank (8). Locking members (4), capable of engagingradially into recesses (11, 12), closed on both sides, in the tool shank (8), serve for axialretention of the tool. By virtue of the asymmetric configuration of the rotational drivers(6, 7) and rotational-driving grooves (9, 10), it is possible to transmit a high torque whileavoiding a damaging cross-sectional weakening of the tool shank (8). ……
申请人：HILTI AKTIENGESELLSCHAFT
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