Sashes for a closure

Filing Information

• Patent Number: US4630400
• Application Number: US6715099
• Filing date: 03/22/1985
• Issue date: 12/23/1986
• Predicted expiration date: 03/22/2005

• U.S. Classifications: /494.25  · /495.01  ·
• International Classifications: E05D 1300 ·
• International Classifications: 49501;504;404;425 ·
• Foreign Priority: GB8506518 - 03/13/1985 ·
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Patent Family

Abstract

A closure with sashes includes a closure body, an inner sash enclosing around the closure body and including a first upper rail, a first lower rail, a first left stile and a first right stile and an outer sash matchable with the inner sash, including a second upper rail, a second lower rail, a second left stile and a second right stile and adapted to be mounted on a wall of a building wherein there exists a characteristic that the first upper rail is identical to the first lower rail in shape.

Independent Claims | See all claims (14)

1. 1. Sashes for a closure comprising an outer sash defining a window opening; a pair of relatively moveable, overlapping inner sashes mounted within said outer sash for opening and closing said window opening; said inner sash including a first upper rail, a first lower rail, a first left stile and a first right stile and being adapted to enclose therein a closure body; said outer sash including a second upper rail, a second lower rail, a second left stile and a second right stile and being adapted to be mounted on a wall of a building;said second upper rail including a central vertical diaphragm plate for separating the cross-sectional area of said second upper rail into two equal parts;said second lower rail including two parallel shallow socket channels;the inner side of said second left stile having a protrusion;said second right stile being identical to said second left stile in shape;the cross-section of said first upper rail including a first end formed with a first receiving room for receiving and securing therein one side of said closure body and a second end having a third grooved channel positioned alongside said central vertical diaphragm plate and a fourth grooved channel near one side of said second upper rail;the cross-section of said first lower rail being identical to that of said first upper rail and being disposed upside down and including a corresponding first end formed with a first receiving room for receiving and securing therein one side of said closure body and corresponding second end having a corresponding third grooved channel positioned alongside said outer side of one of said shallow socket channel and a corresponding fourth grooved channel capable of being positioned above the inner side;said first left stile being a meeting stile and having a cross-section including a first end formed thereon a first receiving room for receiving and securing therein one side of said closure body and an L-shaped flange attached to the outer surface of said meeting side, near said first receiving room and having the vertical portion of the "L" section parallel to said outer surface to form therebetween a receiving space and a first grooved channel formed on said outer surface and near said second receiving room and a straight flange secured to the end edge of said first grooved channel and having a width extending to terminate on the meeting line;the cross-section of said first right stile having a first end formed thereon a first receivng room for receiving and securing therein one side of said closure body and a second end formed thereon a second receiving room receiving therein a cushioning piece and the inner side of said second receiving room receiving said cushioning piece having a second grooved channel receiving therein a sealing piece.