Door for buildings
AssigneeMitsui Metal Processing Co., Ltd.
InventorKiyomi Aoki
Life of this patent
Estimating the term…
Abstract
The invention provides a door for buildings, comprising the outside panel thereof being larger in area than the inside panel thereof, the four edge faces of the door being provided on their outside portions with acute-angled projecting portions, the outside portions of the inner faces of a door frame being inclined toward the outside, the clearances between the inner faces of the door frame and the inside portions of the edge faces of the door being at least 6 mm each; and a door for buildings provided with a lock having clearances of at least 6 mm each over and under a dead bolt or a latch bolt when said bolt is inserted into a bolt recess.
Claims9
A door for buildings, said door being provided with a lock and hung within a door frame so as to swing on hinges fastened to the door and the door frame, said door frame being fixed in a doorway in a building wall, wherein
- the outside panel of said door is larger in area than the inside panel thereof,
- the four edge faces of said door are provided on their outside portions with acute-angled projecting portions,
- the outside portions of the inner faces of said door frame are inclined toward the outside,
- clearances of at least 6 mm each between said inner faces of said door frame and the inner portions of said edge faces of said door are provided, and
- said clearances between said inner faces of said door frame and said edge faces of said door decrease toward the outside.
A door for buildings, said door being provided with a lock and hung within a door frame so as to swing on hinges fastened to the door and the door frame, said door frame being fixed in a doorway in a building wall, wherein
- the outside panel of said door is larger in area than the inside panel thereof,
- the four edge faces of said door are provided on their outside portions with acute-angled projecting portions,
- the outside portions of the inner faces of said door frame are inclined toward the outside,
- clearances of at least 6 mm each between said inner faces of said door frame and the inner portions of said edge faces of said door are provided
- said clearances between said inner faces of said door frame and said edge faces of said door decrease toward the outside, and
- there are clearances to 2 to 5 mm each between said acute-angled projecting portions on the edge faces of said door and said inclined portions of said door frame.
Dependencies are inferred from the claim text.