| 摘要 |
An operation group for curtains with winding roll, including a mechanism (1) , a stop device (90) and a hub (9), with the mechanism (1) aimed at imposing a nd stabilizing a pre-established pre-loading value for first elastic means (2), present in the winding roll (3), with the stop device (90) being aimed at locking the winding roll (3) to stabilize the curtain in any unwound positio n and with the hub (9) aimed at supporting the roll (3) at one of its ends. Th e above operation group (G) includes the mechanism (1) connected to one end (3 a) of the roll (3) and the stop device (90), which is connected to the other en d of the roll (3), so as to define the hub (9).
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