Movable or removable closures – Mounted for optional movements – Pivot mounted on sliding member; e.g. – slide-stile
Patent
1984-08-06
1987-02-03
Aschenbrenner, Peter A.
Movable or removable closures
Mounted for optional movements
Pivot mounted on sliding member; e.g., slide-stile
403402, 52656, 49449, E05D 1522
Patent
active
046400486
ABSTRACT:
A window sash formed preferably of plastic and having a pair of horizontal upper and lower rails and vertical stiles. The rails and stiles are extruded to form a principal outside edge wall for the sash and a plurality of additional walls and bosses within each of the rails and stiles perpendicular to said outside wall, including a pair of walls forming a channel with said outside walls. The stiles and rails are diagonally cut at the ends to form a miter joint. The miter joint is integrated by a single screw passing at each corner from the rail into the stile. One or more of the bosses and walls within the rail forms a support for the screw at each corner which will prevent angling of the screw. Each of the stiles has at least one boss for receiving the screw, said boss extending longitudinally of the stile. The single screw at each corner is therefore anchored against any angling both with respect to the rail and the stile and thereby forms a secure, non-slip miter joint. Additional elements such as the pivot bars are supported by the lower rail so that the sash may be swung in and one or more latches at the upper rail may be provided to guide the sash vertically until it is desired to swing in the sash.
REFERENCES:
patent: 3114943 (1963-12-01), Casebolt
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patent: 3899258 (1975-08-01), Matthews
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patent: 4079549 (1978-03-01), Wood
patent: 4106239 (1978-08-01), Bancroft et al.
patent: 4144674 (1979-03-01), Douman
patent: 4475311 (1984-10-01), Gibson
patent: 4503640 (1985-03-01), Stern
Cangialosi Ignazio
Winner Kurt W.
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