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US 4,731,952 AGranted
Door frame having adjustable threshold member
OwnerLawrence L. Mascotteinventor
Life of this patent
Estimating the term…
Abstract
A metal door frame for mounting onto an existing wood door frame of a building comprises side and top members that are to be secured onto respective side and top sections of the existing door frame. A threshold member is mounted onto or into the bottoms of the side members of the outer door frame, the threshold member being adjustable relative to the side members enabling the threshold member to engage and extend along the threshold of the existing frame regardless of the position of the existing threshold.
Claims5
A door frame for engagement with an existing door frame of a building and to be secured thereto, comprising:
- top and side members for engagement with and to be secured to respective top and side sections of the existing door frame;
- a threshold member mounted to the bottoms of said side members for extension along and for engagement with the threshold of the existing door frame;
- and
- means provided by said side members and said threshold member enabling said threshold member to be adjusted relative to said side members so as to extend along and engage the threshold of the existing door frame subsequent to the side members being secured to the existing door frame.
1 more element
Dependencies are inferred from the claim text.