Patent ID: 7165791

Claim:
A positive action fenestration lock, adaptable to be attached to a moving window profile and to interact, by sliding, with a fixed window profile, said positive action fenestration lock, comprising a hollow body closed by a base plate; bolt-wedge means for rectilinearly sliding on said base plate with respect to said hollow body during interactions between said moving window profile and said fixed window profile, as to establish any one of the following situations: a closed and locked window, a closed and unlocked window or an opened window; a button generally located in said hollow body and pivotally connected to said base plate; means for actuating; a flat spring attached to said means for actuating for controlling together said bolt-wedge means for rectilinearly sliding when the latter is activated by said button; a pair of restoring torsion springs located between said base plate and said button and resisting against a torque caused by said button, the latter being adaptable to be finger pressed by an operator; and a helical compression spring acting permanently on said means for actuating and on said flat spring.