Patent ID: 7097214

Claim:
A latch device for windows, comprising: a casing adapted to be fixed to a sliding window and having a recess defined in an underside thereof, the casing defining a front wall and at least one slot for receiving a latching plate, a latch member movably received in the recess and biased by a spring in a direction through the slot and at least partially into the front wall of the casing, a driving assembly having a driving member received in the recess of the casing and an eccentric protrusion extending from the driving member and movably engaged with the latch member, the driving member having a non-round hole defined therethrough, and a handle having a non-round shaft which is engaged with the non-round hole in the driving member, the latch member being retracted through the front wall of the casing by operating the handle, the latch member including two latches and each latch defining an inclined surface configured to engage the latching plate disposed in the slot of the casing.