| 摘要 |
A spacer placed between the blind guide and the relevant guide-holder comprises a pin (12) screwed on a nut (13) and a cap (15) screwed on the pin (12);
the pin (12) and the nut (13) are located in a pre-established position of a hollow portion (4) of a guide (3);
the pin (12) and the nut (13) co-operates in order to obtain a close coupling among the nut (13),the pin (12) and the hollow portion (4),said coupling being capable of fixing the pin (12) in a pre-established position of the hollow portion (4); the pin (12) protrudes from the hollow portion (4) through the longitudinal opening (11). |
