| 摘要 |
<p>A lock assembly (10) for a ventilating window which lock assembly (10) comprises a casing (15), a locking arm (11 ) and a lock mechanism. The lock mechanism includes at least one wire spring (20, 25) that is supported at two points. The distance between the support points changes when the lock is operated and the wire spring (20, 25) includes three portions between the two points, a middle portion (50) and two outer portions (47). The outer portions (47) comprise a part that is directed roughly at a right angle with a line connecting the two points.</p> |
