Door closure assembly
阅读：719发布：2022-12-10
专利汇可以提供Door closure assembly专利检索，专利查询，专利分析的服务。并且A door closure assembly for tightly closing a door opening, whereby the door assembly provides a watertight barrier at the door opening. The closure assembly includes a movable door movable to a position closing off the door opening. An elongate gasket means extends along the bottom and side margins of the door, such being received within an elongate channel which is provided along side and bottom margins of the door. Gasket shoes actuated by jacks are disposed within this channel backing up the gasket means. Actuation of the jacks shifts the gasket shoes outwardly, generally in a direction paralleling the plane of the door, to press the gasket means against the floor and the sides of the door frame defining the door opening. This pressure also causes the gasket means to extrude against the sides of the channel receiving the gasket means.，下面是Door closure assembly专利的具体信息内容。
1. In combination with structure defining a door opening, a closure assembly for closing said door opening comprising a movable door with bottom and side margins movable to a position closing off said opening, said door including means forming a channel extending along a margin thereof with said channel having opposed sides defining a channel opening which faces away from the door in a direction extending generally parallel to the plane of the door, an elongate elastomeric gasket portion extending along said margin of the door, seated within said channel, said gasket portion having a back facing inwardly toward the back of said channel and opposed elastomeric sides loose from and facing the sides of said channel, and means joined to the back of said gasket portion for shifting the gasket portion laterally and away from said margin with the door stationary and in its position closing said opening to effect tight engagement of the gasket portion with said structure defining said door opening in a region adjacent said margin, said means for shifting the gasket portion laterally producing extrusion of the gasket portion whereby the sides thereof fit snugly against the sides of said channel with the gasket portion in tight engagement with the structure defining said door opening.
2. The closure assembly of claim 1, wherein the means for shifting said gasket portion comprises a gasket shoe fitting within said channel disposed between the back of the gasket portion and the back of said channel, and power-operated means mounted on the door connected to said shoe for moving the shoe within the confines of said channel.
3. A door opening comprising a floor and a door frame extending up from said floor with the door frame and floor delineating the sides and bottom of the door opening, a movable door movable vertically in said door frame to a position closing said door opening where its bottom margin is adjacent said floor, said door including means forming a channel extending along the side margins of the door and the bottom margin thereof, which channel has a channel opening facing away from the door in a direction extending generally in the plane of the door, a substantially continuous gasket element received within said channel and extending along the side margins and the bottom margin of the door, said gasket element having a back facing inwardly toward the base of the said channel and opposed sides loose from and facing the sides of said channel, shoe elements mounted within said channel backing up and joined to said gasket element where it extends along said side and bottom door margins, and power-operated jacks mounted on the door and operatively connected to the various shoe elements operable when actuated to shift the shoe elements generally outwardly and in a direction paralleling the plane of the door against the back side of said gasket element to force the gasket element outwardly against the floor and door frame defining said opening and to extrude the element against the sides of the channel defined along the side margins and bottom of the door.
4. The combination of claim 3, which further comprises track structure on said door frame disposed along each side of said door opening, said track structure comprising opposed laterally spaced flanges, and wherein the means forming a channel along each side margin of the door and the gasket element where such extends along each side of the door is partially received within said track structure.
5. The combination of a means defining a door opening including a floor and a door frame extending up from said Floor, a movable door movable vertically in said door frame to bring its bottom margin adjacent said floor with the door then in its closing position, means for holding said door in its closing position, said door including means forming a channel extending along each of opposite side margins with each channel having opposed sides defining a channel opening which faces away from the door in a direction extending generally parallel to the plane of the door, the door frame including track structure guiding each of opposite side margins of the door comprising laterally spaced guide flanges disposed to define an elongate vertical course at least partially receiving the means forming a channel along a side margin of the door, elongate gasket means extending along opposite side margins of the door received within the channels defined, said gasket means having opposed sides loose from and facing said sides of said channel, and means for shifting said gasket means laterally outwardly of the side margins of the door effective to produce tight engagement of said gasket means with the door frame and extrusion of said gasket means whereby it fits snugly against said sides of said channels.
6. The combination of claim 5, wherein said gasket means comprises a substantially continuous gasket element extending along side and bottom margins of the door, and wherein said door includes means along its bottom margin defining a channel, which channel has opposed sides defining a channel opening facing away from the door, said gasket means it said extends along the bottom margin of the door seating within said channel, and which further comprises means for shifting said gasket means laterally outwardly of the bottom margin of the door effective to produce tight engagement of said gasket means with the floor and extrusion of the gasket means whereby it fits snugly against the sides of the channel defined along the bottom margin of the door.
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