Abstract:
The lifting device comprises a biased slide shoe adapted to be slidable with respect to a member of an openable structure, a lifting arm having two ends, one end adapted to be pivotally connected with a member of the structure and the other end associated with said slide shoe, and a braking device comprising at least one brake shoe slidable on a respective brake face of said lifting device, said braking device modulating the force resulting from the bias on said biased slide shoe. An adjusting device is adapted to adjust said progressive modulation of said force resulting from the bias on said biased slide shoe, and comprises a manipulation member, which when manipulated by a user activates said adjusting device to adjust a brake force of said brake shoe exerted on said brake face in a given position of said brake shoe.
Abstract:
A window well cover jack that is disclosed. The window well cover jack has three arms: a base arm, a support arm and an actuator handle, all connected to aid in the lifting of a window well cover and allow egress. In one embodiment, the jack is lockable in a stowed position. It is also possible to add a spring assist to aid in the lifting of a window well cover. Ideally, the window well cover jack is also lockable in a deployed position to aid in holding an ajar window well cover so as to facilitate escape. A simple link, which is easily broken by emergency crews with the proper tools but secure against intruders without said tools, connects the window well cover jack to a window well cover.
Abstract:
A pivot hinge for roof windows with a sash pivoting around the axis located between the upper and the lower member of a window, has a balancing system, which ensures the state of equilibrium of a window sash when its centre of gravity is located outside the sash rotating axis and the friction spring of the hinge is unable to hold the sash pivoted in each its position. At the same time the window fittings, its assembly, installation in a roof and its appearance remain unchanged. Also the method of separating of both hinge parts (taking a sash out of a window frame) remains unchanged.
Abstract:
A connecting assembly for installing the sash of a house skylight to the sides of its casement, has connecting parts that can pivot relative to each other, and the casement has holding elements that have cross sections which will engage therewith. This assembly allows the window sash to be inserted from the interior rapidly and in a simple manner by engagement with the positioning arms on the casement. This is achieved by the connecting parts (3) having a U-shaped cross section (4), which accept swinging positioning arms (5) which serve as the holding elements, and these connections can be locked by self-engaging attachment elements (6) that can be engaged without tools.
Abstract:
A skylight has a sash, a casement and [spring-loaded.revreaction. carrier arms which are mounted at one end to the casement and at the other end on a pivot bearing on the sash side rail. The sash has spindles cooperating with a U-shaped runner on the side member of the casement. A cover plate borders the channel of the runner and overlaps the spindles when the sash is in the swinging position. When the sash is in the closed position [and the swinging position], the spindles is outside the working range of the cover plate. When the sash is opened and the carrier arm is coupled thereto, it tilts on the pivot bearing. When opened with the sash uncoupled from the carrier arms, the spindle move in the grooves of the runner toward the lower edge of the casement, and the pivot bearing on the casement is lifted off and the sash swings open. The spindles are positioned on the side rail of the sash and move longitudinally when they are seated in individual settings by movement of the handle on the sash cross member.
Abstract:
A roof window whose installed frame has upper and lower horizontal members and obliquely sloping side members has a casement attached to the upper frame member by two links fastened by fixed pivot pins to the respective center portions of the side rails of the casement and to the two ends of the upper frame member. Slides on the side rails slide along the side members of the frame when the links pivot on the upper frame member while the casement pivots on the links. The casement may be locked to the links for joint movement about the pivot pins on the upper frame member toward and away from the closing position of the casement in which the casement closes the opening bounded by the members of the frame. The slides abuttingly engage the side members of the frame in the closing position of the casement and move away from the frame members when the casement swings jointly with the links away from the closing position.
Abstract:
In a roof covering of the hatch or vent type having a spring loaded cover, an improved arrangement is provided for absorbing the shock of the springs when opening the cover and also for locking the cover in an open position to preclude it from being blown shut from the wind.