Patent ID: 7204292
Filing Date: 2007-04-17
Classification: E06B

Abstract:
1. A window blind comprising: a headrail adapted to be fixedly mounted on a top side of a window; a blind body suspended below said headrail and movable by an external force to change window shading status; a linking mechanism mounted inside said headrail and having a power input device rotatable by an external force, and an actuator rotatable with said power input device and connectable to said blind body for moving said blind body to further change said window shading status upon rotation of said power input device; a driving control mechanism having a suspension rod and a controller, said suspension rod having a top end coupled to said power input device and a bottom end downwardly spaced below said headrail at a distance and provided with a connecting portion, said controller having a connecting portion connectable to the connecting portion of said suspension rod for enabling said suspension rod to be driven by said controller to rotate said power input device; and wherein said driving control mechanism further comprises a protective sleeve sleeved onto said suspension rod and axially movable along said suspension rod between a first position where the connecting portion of said suspension rod is disposed outside said protective sleeve, and a second position where the connecting portion of said suspension rod is received inside said protective sleeve.