| 摘要 |
A locking mechanism of a braking device for aluminum doors and window according to the invention includes a sleeve and a locking pillar. The sleeve is a hollow tube-shaped structure, which has an expanded projecting rim at an upper end surface thereof, and a fastening mechanism below the projecting rim. The locking pillar has a fastening section at an outer wall thereof for corresponding with the fastening mechanism of the sleeve to accommodate the locking pillar in the sleeve and to further accommodate the sleeve in a through opening at a supporting window frame of a casement, thereby locating a securing section of the sleeve to the through opening at an upper board of the supporting window frame. Hence, the locking pillar is allowed with sliding movements in the sleeve without being bounced out or disengaged. |
