| 摘要 |
A telescopic extension (1; 51) for an electric household appliance comprises an inner tube (2), an outer tube (3), a sleeve (4), at least one first constraining element (5; 6), a thrusting slider (7), resilient elements (24) and an actuating element (8); in the extension (1; 51) the sleeve (4) is arranged between the inner tube (2) and the outer tube (3) having a cross-section of substantially constant diameter, the sleeve (4) is provided with a longitudinal cavity (15) and a recess (19) formed on the bottom (18) of the cavity (15), the thrusting slider (7) is housed in the longitudinal cavity (15) and retained radially by the outer tube (3), the thrusting slider (7) is provided with at least one first slot (26) and the resilient means (24) are housed in the first slot (26) of the thrusting slider (7) and are engaged with a recess (19) of the sleeve (4). <IMAGE> |
