| 摘要 |
<p>The control device (10) includes a body (21) fitted to a discharge fitting (11) inserted inside the drain hole (7) in the bottom (6) of the tank (5); and a support fitting (24) for supporting the push-buttons (26, 27) and inserted inside a hole (9) in the lid (8) of the tank (5). The support fitting (24) is connected to a sleeve (32), which is inserted inside a support (38) connected to the body (21), and which may be locked to or released from the support (38) by setting a member (48) to a first or second position respectively. The support (38) is connected to the body (21) by a toothed bar (58) engaged in various positions by a bolt (59); and the push-buttons (26, 27) activate two levers (78, 79) connected by an articulated joint (93, 94) and in various positions to two control ties (86, 89) comprising a number of grooves (95) engaged in snap-on manner by an element (97) connected in articulated manner to the respective lever (78, 79). <IMAGE></p> |
