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US 4,930,257 AGranted
Thermal break door frame assembly
AssigneeNational Material Limited Partnership
InventorWilliam P. Windgassen
Life of this patent
Estimating the term…
Abstract
A thermal break door frame assembly includes a pair of frame members defining a groove. The groove includes a mouth opening in the area of the edge of a closed door. A unitary weatherstrip is adapted to engage the edge of the door and includes an integral thermal break tail projecting through the mouth into the groove between the frame members.
Claims20
A thermal break door frame assembly, comprising:
- a first metal frame member having a soffit, a stop along one side of the soffit and a return flange extending from the stop behind and lengthwise of the soffit;
- a second metal frame member having a rabbet combining with said return flange to define a groove therebetween and extending lengthwise of the frame assembly;
- and
- a unitary weatherstrip adapted to engage along the stop of the first frame member and the rabbet of the second frame member and including an integral thermal break tail projecting into the groove between the rabbet and the return flange of the first frame member.
1 more element
A thermal break door frame assembly, comprising:
- a first metal frame member having a soffit, a stop along one side of the soffit and a return flange extending from the stop behind and lengthwise of the soffit;
- a second metal frame member having a rabbet combining with said return flange to define a groove therebetween and extending lengthwise of the frame assembly;
- non-thermally conductive spacer means in the groove between the frame members;
- and
- a unitary weatherstrip adapted to engage along the stop of the first frame member and the rabbet of the second frame member and including an integral thermal break tail press fit into the groove between the rabbet and the return flange of the first frame member.
2 more elements
A thermal break door frame assembly, comprising:
- a first metal frame member having a soffit, a stop along one side of the soffit and a return flange extending from the stop behind and lengthwise of the soffit;
- a second metal frame member having a rabbet combining with said return flange to define a groove therebetween and extending lengthwise of the frame assembly;
- non-thermally conductive spacer means in the groove between the frame members;
- and
- a unitary weatherstrip adapted to engage along the stop of the first frame member and the rabbet of the second frame member and including an integral thermal break tail press fit into the groove between the rabbet and the return flange of the first frame member, said tail including at least one locking rib for engaging one of the soffit and the return flange.
2 more elements
A thermal break door assembly, comprising:
- first and second frame members defining a groove having a mouth opening in an area of the edge of a closed door;
- and
- a unitary weatherstrip adapted to engage said edge of the door and including an integral thermal break tail projecting through said mouth into the groove between the frame members.
Dependencies are inferred from the claim text.