| 摘要 |
<p>Device for locking the articulated joint (4,5) in the longitudinal direction between the plate (2) of a dust mop and the handle (1), which consists in the fact that in the arms (14) of the fork of the handle-carrying element (12), in articulated joint with the base element (7) that is in articulated connection with the plate (2) for a cleaning mop, is fitted a sled element (20), which lower part is shaped as male part (21), and the upper part (11) of the base element (7) is shaped as female part, and the manoeuvre for locking occurs to coupling the male part (21) with the female part (11).</p> |
