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Window sill construction
| Details |
Inventors: Pacca, Stephen R.;
Assignee:
Primary Examiner: Murtagh; John E.
Assistant Examiner:
Attorney, Agent or Firm: Baxley; Charles E.
A sill member for a replacement window is fabricated from an extrusion of plastic material and includes a first wall portion having a first inner face, a second wall portion having a second inner face, the first and second inner faces being placeable on the indoor and outdoor sides, respectively, of a window opening, and a solid main floor portion integrally joining the wall portions and having upper and lower planar parallel faces. The upper face of the main floor portion intersects the first inner face at an angle of about 93.degree.. The second wlal portion has an outer planar face parallel to the second inner face, the upper face of the main floor portion intersects the outer face of the second wall portion in an edge line, and the upper face of the main floor portion extends uninterruptedly to the edge line, to provide uninterrupted drainage of about 3.degree. from the first wall portion to the edge line. An additional floor portion and a ceiling portion project from the second wall portion way from the first wall portion and provide, together with the second wall portion, a longitudinal casing slot for sealingly receiving a casing therein. |
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DETAILED DESCRIPTION What is claimed is: 1.
A sill member for a replacement window, said sill member fabricated by cutting an extrusion of plastic material to desired length, said sill member comprising a first wall portion having a first planar inner face, a second wall portion having a second planar inner face confronting and parallel to said first inner face, said face and second inner faces placeable on an indoor side and an outdoor side respectively of a window opening, and a main floor portion integrally joining said wall portions and having upper and lower parallel planar faces intersecting said first inner face at locations such that said first wall portion extends above and below said floor portion, said upper face of said floor portion intersecting said first inner face at an obtuse angle and said lower face of said floor portion intersecting said first inner face at an acute angle supplementary to said obtuse angle, said additional floor portion and said ceiling portion are formed so that said casing slot is widest at the juncture of said additional floor portion and said ceiling portion with said second wall portion and said additional floor portion and said ceiling portion being capable of relative resilient flexure away from each other to increase effective width of said casing slot.
2.
A sill member according to claim 1 wherein the distance between said upper face of said additional floor portion and said lower face of said ceiling portion at said junctures is about 0.
125 inch (0.
32 cm) and the depth of said casing slot perpendicular to said outer face of said second wall portion is about 0.
44 inch (1.
12 cm).
Description:
RELATED APPLICATIONS This application is related to U.
S.
patent applications Ser.
Nos.
040,028, now U.
S.
Pat.
No.
4,753,056, 040,034, now U.
S.
Pat.
No.
4,742,647 and 040,283, each of which was filed Apr.
20, 1987 in the name of the present inventor.
BACKGROUND OF THE INVENTION This invention relates to window sill construction and more particularly to a window sill member for a replacement window
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