| 摘要 |
A drive assembly for door and window frames that includes at least one actuating member (24, 25, 26, 27, 28) and at least one transmission rod (30, 32) fastened to the actuating member (24, 25, 26, 27, 28), at that the transmission rod (30, 32) has central portion (34) and two lateral portions (36, 38) that are placed at opposite sides with respect to central portion (34) and form two channel-shaped longitudinal guides (58, 61), central portion (34) has longitudinal groove (48) positioned between the longitudinal guides (58, 61), and longitudinal groove (48) of central portion (34) is closed by base (44). Actuating member (24, 25, 26, 27, 28) has connecting portion (72) that includes two longitudinal ribs (78, 80) with ends shaped in such a way as to establish of telescopic coupling with the longitudinal guides (58, 61) of transmission rod (30, 32) and central portion that is placed between those ribs (78, 80) and has threaded hole (104) into which screw (106) is inserted, this has tip (110) that is able to cut hole in the base (44) of the transmission rod (30, 32) in the longitudinal groove (48). |
