A window opening control devices in the nature of a modified vent stop includes a housing having a peripheral flange defining an opening and a body depending from the peripheral flange and further includes a butterfly shaped stop block mounted within the body of the housing for rocking motion about a generally centrally located pivot point between an open position, wherein a first wing of the stop block extends beyond the housing flange, and a closed position wherein the first wing is retracted into the housing. Movement of the stop block between the open and closed positions is effected by pressing on either the first wing of the butterfly shaped stop block or a second wing, and is preferably accomplished without the use of springs or other biasing assistance. The stop block is preferably provided with a pair of ridge projections that cooperate with spring legs located on the interior of the housing to form a detent to maintain the stop block in the closed position.

A sash window restrictor (20) has a housing (22) which is to be let into a vertical frame member (10) of one sash (normally the upper, outer sash) of a window, at a position, say, 10 cm above the top rail of the lower sash when the windows are closed. A tab (24) is mounted in the housing and can be retracted into the housing or extended from the housing. A mechanism acts between the tab and the housing and allows the tab to be pressed into the housing and held in the housing for a period of time before the tab is released to allow the tab to extend. With the tab extended, the lower sash (12) can be lifted until it reaches the tab (24) but no further, so that a 10 cm gap will be opened at the bottom of the window.

A latch arrangement for a sliding wing has a latching member that is movable by magnetic force from first position in which it is at least partially retracted within a latch housing, to a second position in which it extends at least partially out of the housing, to be received in a strike. The strike comprises a magnet or ferromagnetic arrangement to attract the latching member into a receiving and engaging formation of the strike when the sliding wing is located at or adjacent the strike.

A locking assembly for a casement window including a frame having an elongated surface, comprising a tie bar guide adapted to be mounted on the window frame surface, the tie bar guide having first and second receiving grooves for slideably receiving segments of a tie bar in a tongue and groove manner, and a tie bar adapted to slide axially in a direction parallel to the window frame surface and having a partially curved profile and a cross-section comprising a flat central portion with a first segment comprising a first tongue and a second segment comprising a second tongue, the first and second segments on opposite sides relative to the central portion. The tie bar is slideably received in the tie bar guide such that the tie bar first tongue is received in the tie bar guide first receiving groove and the tie bar second tongue is received in the tie bar guide second receiving groove, to permit the position of the tie bar to be adjusted with respect to the tie bar guide in the longitudinal direction while preventing movement of the tie bar in a direction perpendicular to the longitudinal direction. One of the tie bar and tie bar guide has an opening in an exterior surface thereof and the other has a projection extending in a direction of the opening, wherein when the tie bar is slideably received within the tie bar guide, the projection and opening act as a detent to maintain the tie bar guide in a desired position.

The present invention consists of aluminium framework for the manufacture of doors or windows, which is applied in a door or window opening of a building. It comprises at least one fixed frame (1) and fixed or movable panels (4) which have central (6) and reinforcing (5) props, handles (3) (7), anti-pollen/mosquito net (9) winder integrated into a profile (10). It has a locking system (2) of the panels (4), which is integrated in the aluminium profiles of the fixed frame (1); a locking system (8) of the anti-pollen/mosquito net (9) allowing the profile (11) of the net (9) to be attached to the handle (7). The movements of the net (9) and the panels (4) can be performed either manually or automatically, in both cases this movement being facilitated by a slide rule (13) with integrated bearings.

A method and an adjustable locking system for sliding windows and/or sliding doors are provided. The adjustable locking system includes a slide rail, a jammer bar, and a sliding spring-loaded pull pin lock. The slide rail mounts flush to the action portion of the sliding window or sliding door frame. The spring loaded locking pin is attached to the jammer bar which slides through the slide rail; engaging in a series of optional locking points allowing the window or door to be securely locked anywhere in between fully open to fully closed.

A window vent stop for use in a sliding sash window or a sliding sash door assembly. The vent stop includes a housing and a tumbler. The housing is adapted to be disposed in a recess in a rail or stile of the window/door. This housing includes a cavity with a bottom wall therein. The tumbler has at least one pivot for pivotally securing the tumbler to the housing for movement between an extended position, to prevent movement of the sliding member, and a retracted position, to allow movement of the sliding member. The tumbler is formed with a protruding spring member for selectively biasing the tumbler. The housing has one or more flexible members extending from each of its end walls to secure the housing within the opening in the sash member.

A sash window fastener includes: a latch assembly; a lock assembly mounted upon the meeting rail; and a stop assembly mounted to the master frame. The lock assembly includes a pivotable cam to engage a keeper on the master frame to lock the window, and a pivotable follower arm, which interconnects with the latch assembly within the meeting rail, so cam rotation that drives arm rotation also causes translation of the latch. The cam occupies: an extended position to secure the cam to the keeper, with the latch tongue engaging the master frame to prevent tilting, also being positioned below a stop assembly protrusion to redundantly lock the window; a first retracted position permitting sliding of the window; and a second retracted position permitting tilting of the sash window. A slidable stop on the stop assembly dampens sliding sash window movement and subsequently acts as a vent stop.

A fenestration assembly includes a fenestration frame and at least one panel movable between open and closed positions. A locking mechanism is coupled with the at least one panel and includes at least one latch and at least one latch fastener. The panel includes a secure configuration with the panel in the closed position and the latch coupled with the latch fastener. In the unsecure configuration one or more of the panel is in the open position or the latch is decoupled from the latch fastener. A status monitoring assembly monitors the secure and unsecure configurations and includes a sensor operator coupled with the latch, and a sensor coupled with one of the fenestration frame or the panel. In the secure configuration, the status monitoring assembly detects the sensor operator with the sensor if the panel is in the closed position and the latch is coupled with the latch fastener.

A window sash interlock includes a housing configured to mount to a side rail of a window sash. The housing includes a front face that substantially aligns with a surface of the side rail. A locking member is pivotably coupled to the housing about a pivot axis. The locking member is disposed at least partially within the housing and is movable between at least a locked position and an unlocked position. The locking member is biased so as to automatically return to the unlocked position, and in the unlocked position, the locking member at least partially extends from the front face of the housing.