초록 ▼

A security device for windows comprising a first tube member pivotally secured at its lower end to the upper end of the lower window unit and having a second tube member slidably received on the upper end thereof. The upper end of the second tube member is pivotally secured to the window frame or to

A security device for windows comprising a first tube member pivotally secured at its lower end to the upper end of the lower window unit and having a second tube member slidably received on the upper end thereof. The upper end of the second tube member is pivotally secured to the window frame or to the upper end of the upper window unit. The first tube member has a plurality of spaced-apart openings formed therein which are adapted to receive a bolt extending therethrough. The window units may be moved relative to the window until the bolt engages the lower end of the second tube member to prevent further movement.

대표청구항 ▼

A security device for windows including at least a vertically movable lower window unit mounted in a window frame, comprising, a first upstanding tube means secured at its lower end to the upper end of the lower window unit, a second upstanding tube means slidably embracing the upper end of said fir

A security device for windows including at least a vertically movable lower window unit mounted in a window frame, comprising, a first upstanding tube means secured at its lower end to the upper end of the lower window unit, a second upstanding tube means slidably embracing the upper end of said first tube means and being secured at its upper end to said window frame, said first tube means having at least one opening formed therein between its lower end and the lower end of said second tube means, and a stop means in said opening adapted to engage the lower end of said second tube means when said lower window unit is raised thereby limiting the upward movement of said lower window unit, said first tube means being pivotally secured to said lower window unit, said second tube means being pivotally secured to said window frame, first and second U-shaped brackets being secured to said lower window unit and said window frame respectively by screws, said first tube means being pivotally secured to said first bracket, said second tube means being pivotally secured to said second bracket.