Device for installing door and window frames in building construction - comprises two pivoted tabs which fix to wall aperture and frame mounting point, allowing fixation in irregular apertures

摘要

The device for installing a wooden or plastics frame into an opening in a wall comprises two tabs which are pivotally interconnected about an axis. The free end of one tab contains a hole which is used to secure the device to the surrounding wall whilst the free end of the other tab is pivotally attached to the frame using the existing frame mounting point. - The tab which secures to the wall is pref. L-shaped in cross-section. The arrangement allows frames for doors, windows etc. to be easily installed into apertures which need not have regular dimensions.(0/4)