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US 5,619,823 AGranted
Pre-finished metal door frame
AssigneeIngersoll-Rand Company
InventorsRobert O. Ruff, Donald L. King
Life of this patent
Estimating the term…
Abstract
A metallic frame and, more particularly, a stainless steel door frame has a bent sheet metal frame element encompassing an inner space and the element has backbends which extend perpendicularly inward from the back ends of faces of the element. At least one slidably insertable sleeve is disposed inside the element and has flanges which are spot welded to the back ends. The sleeves serve as carriers for various door hardware such as hinge reinforcement and strike plates, clips having bendable tabs, and anchors.
Claims22
A metal frame member comprising;
- a bent sheet metal frame element encompassing an inner space and having a soffit spaced apart from and generally parallel to a rabbet and a stop extending substantially perpendicular to and between said rabbet and said soffit;
- a face extending perpendicularly from said rabbet away from said soffit to a back end of said face;
- a backbend extending perpendicularly inward from said back end of said face so as to be generally parallel to said rabbet and bordering said inner space;
- a slidably insertable sleeve disposed in said frame element;
- said sleeve having a front wall, a side wall extending perpendicularly inward away from said front wall towards said backbend, and a flange extending perpendicularly from said side wall;
- and
- said flange is bonded to said backbend.
4 more elements
Dependencies are inferred from the claim text.