| 摘要 |
<p>In this brush comprising a revolving plate (1) and several supports (2a-2l) mounted detachably under the plate and carrying cleaning fibres, each support is mounted so as to slide horizontally in a pair of radial slide elements (8 and 9) and comprises a hole (11) in one (6) of its lateral edges (6 and 7), a locking pin (12) is engaged in each hole (11) in the supports (2a-2k), and interacts with one of the slide elements associated with the corresponding support in order to prevent any radial movement of the said support towards the outside of the plate (1) when the said support is completely engaged in the pair of corresponding slide elements, whilst the support (2l) is installed last of all in the pair of corresponding slide elements and is held therein by a screw (22) passing through a hole in the plate (1) and screwed into a tapped hole in the support (2l). <IMAGE></p> |
