| 摘要 |
A cord lock for fitment to the end of a head rail of a blind, the cord lock including a base element, a cap structure on the base element and together with the base element and together with the base element defining therebetween a cord inlet, a cord outlet and a cord passage extending therebetween, a cord guide surface formed in the base element and extending inwardly of the cord lock from the cord outlet, a locking roller and roller guide walls formed in the cap structure defining a path along which the locking roller may move, the path being adjacent to and inclined with the cord guide surface such that the roller moves closer to the cord guide surface whilst moving away from the cord outlet, wherein with the cord lock oriented in use such that the roller moves under gravity away from the cord guide surface, movement of a cord inwardly from the cord outlet along the cord guide surface will cause the roller to move towards the cord guide surface and pinch the cord therebetween.
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