| 摘要 |
<p>Coupling for the releasable interconnection of a cleaning tool and a cleaning instrument, the cleaning tool having a rectangular head, said head having an upper coupling element and the cleaning instrument having a lower coupling element, said coupling elements having a locating arrangement via which the coupling elements, when interconnected, are shape-dependently locked in several first directions in relation to each other, one of the coupling elements having one locking surface and the other of the coupling elements having a second locking surface, the normals (perpendiculars) of said locking surfaces being aligned in a second direction that deviates considerably from the previously mentioned first directions, these locking surfaces, in the interconnected state, being engaged with each other, the locking surfaces being moved, on the application of pressure to an operating member, to a position relative to each other and in which they are released from each other, it then being possible to pull the upper coupling element apart from the lower coupling element.</p> |
