Patent ID: 8726572

Claim:
A window restrictor for limiting an extent of opening of a window, the window restrictor comprising a restrictor member attachable to a first part of said window and a latch mechanism attachable to a second part of said window, the restrictor member comprising a first arm and a second arm, wherein the first arm comprises attachment means to rotatably attach the first arm to the first part of said window, the first arm being pivotally connected to the second arm and the second arm comprising a first locking means, the latch mechanism comprising second locking means for engagement with the first locking means, wherein, in use, when said first and second locking means are engaged, relative movement of said first and second window parts in a direction of opening is limited by said restrictor member, the window restrictor further comprising release means for disengaging said first and second locking means to enable the relative movement of said first and second window parts beyond a limit of the restrictor member and, when disengaged, the first and second locking means are aligned to automatically re-engage as said window is closed and wherein the release means comprises a simultaneous dual action release mechanism comprising a first actuator and a second actuator and wherein the first actuator is operated by a first manual action and the second actuator is operated by a second independent manual action and wherein the restrictor member comprises a spacer block in order to aid the latch mechanism and, in which, the spacer block is arranged to abut a part of the restrictor member and urge the first and second locking means to re-engage as the window is closed.