| 摘要 |
The herein described built-in lock, which has a -shaped steel facing plate and is practicable for sliding aluminium frames, is composed of he part 9 and the oval-shaped part 1 comprising between them thebolt base 4 with an unsecuring means 12, adapted thereto with the screw 16. A latch and a sliding plastic portion 15 are also adapted to same base which additionally bears the bolt 7 cooperating withthe counter bolt 8, the block 6, the safety bolt 18, the safety 21 , the spring 20, and the screw 19; same base is liable for absolute safety and easy assembling. |
