| 摘要 |
The device has a carriage (2) comprising a ball (5) that blocks the carriage in a closing position of a door leaf and cooperating with complimentary hole (7a) of a support rail (1). The ball cooperates with a part (6a) of a locking arm (6), so that the ball is retracted corresponding to unblocking of the carriage or is exited for acting as a stop corresponding to blocking of the carriage, based on a position of the unit. The ball is mounted in the arrangements of the rail in correspondence with a carriage guiding path. |
