Handle assembly for a window or door leaf

A handle assembly for a window or door leaf having first and second opposing sides, the handle assembly having a forward end and a rearward end, the handle assembly comprising:

• a first handle grip, configured for mounting to a first side of the door leaf, the first handle grip being moveable rotatably and axially relative to a first handle axis, and a second handle grip configured for mounting to the second side of the door leaf, the second handle grip being movable at least rotatably relative to a second handle axis,
• each handle grip having a closed position, wherein the handle grip is in a first angular position and an open position, wherein the handle grip is in a second angular position,
• the handle assembly having a rest mode in which at least the second handle grip is configured for driving a latch means between a latched position and a released position, and locked mode in which the second handle grip is prevented from being operable to drive the latch means,
• wherein the handle assembly is configured such that the handle assembly is transformed between the rest mode and the locked mode by moving at least a part of the handle assembly at least axially along the first handle axis or along an axis parallel with the first handle axis,
• wherein the handle assembly further comprises a first spindle that is rotated upon rotation of the first handle grip and a second spindle that is rotated upon rotation of the second handle grip, each spindle being engageable with a drive mechanism for driving the latch means, the first spindle being insertable through an opening on one side of the drive mechanism, the second spindle being insertable through the opening from an opposite side of the drive mechanism, wherein the handle assembly is configured such that transformation of the handle assembly from the rest mode to the locked mode causes the second spindle to be disengaged from the drive mechanism.