Friction bar assembly

A window friction bar assembly (100) comprises first and second link arms (3, 12) which have pivot bores (4,6 14, 16) at each end, and first and second attachment plates (8, 18) for attaching the first and second link arms (3, 12) to a window frame through the pivot bores (6, 16). At least one of th...

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Bibliographische Detailangaben
Hauptverfasser:	DAVIS, PAUL MICHAEL, LEWIS, WARREN PAUL
Format:	Patent
Sprache:	eng
Schlagworte:	BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	A window friction bar assembly (100) comprises first and second link arms (3, 12) which have pivot bores (4,6 14, 16) at each end, and first and second attachment plates (8, 18) for attaching the first and second link arms (3, 12) to a window frame through the pivot bores (6, 16). At least one of the attachment plates (8, 18) constitutes a friction attachment device (20), having a hollow cylindrical protrusion (26) on one side, with an outside diameter to allow a sliding fit inside the pivot bore (6, 16). A screw 30 adapted for screwing into the window frame, has a head formed with a radiused face on an inside, so as to expand an end rim (32) of the hollow cylindrical protrusion (26) when tightened, and thereby provide a frictional attachment between the link arm (3, 12) and the attachment plates (8, 18).