发明名称 A DEVICE AND METHOD FOR FLUSH MOUNTING AIR DUCT GRATES, ELECTRICAL SWITCH PLATES, ELECTRICAL RECEPTACLE PLATES, ELECTRICAL LIGHT FIXTURES AND OTHER DRYWALL APERTURE COVERS ON DRYWALL SURFACES USING DRYWALL BEAD
摘要 A device system and method for flush mounting aperture covers with finished drywall surfaces and which may be used to flush mount hot air exhaust grates, cold air intake grates, electrical light and receptacle boxes, light fixtures and access panel covers. The invention includes a bead plate or frame each side thereof having a sectional profile of a piece of corner bead comprising a bead along at least the front surface of the bead plate immediately adjacent the apertu re opening and transitioning into edges of corner bead, substantially at 90.degree. angles to each other. The corner bead may be attached to the corner bead is affixed to the outside surface of the drywall in typical fashion and is feathered into the surface of the drywall in typical fashion. The interior walls of the bead plate form a receptacle for an aperture cover, preferably with stops to aid in mounting the front surface of the aperture cover flush with the outside surface of a piece of drywall. The bead plate may be fixedly or removably attached to a piece of duct work, electrical box or oth er chamber.
申请公布号 CA2471528(A1) 申请公布日期 2005.12.15
申请号 CA20042471528 申请日期 2004.06.15
申请人 WILLIAMS, JEFFERY TODD;LENNOX, WILLIAM GEORGE;LENNOX, LLOYD MURRAY 发明人 WILLIAMS, JEFFERY TODD;LENNOX, WILLIAM GEORGE;LENNOX, LLOYD MURRAY
分类号 E04F13/06;E04F17/00;E04F17/04;E04F17/08;E04F19/00;E04F19/04;E04F21/165;F24F13/078;(IPC1-7):E04F19/04 主分类号 E04F13/06
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