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Glazing bead
| Details |
Inventors: Blanchett, Paul T.; Blanchett, Philip J.;
Assignee:
Primary Examiner: Friedman; Carl D.
Assistant Examiner:
Attorney, Agent or Firm: Moravan; Gregory W., Mattern, Jr.; Roy E., Delts; David H.
A glazing bead adapted to secure a second, larger thickness of insulated window in a window frame designed to normally receive a first, smaller thickness of insulated window. The glazing bead comprises a plastic extrusion having a resilient, arcuate wall member which engages the window and/or the window frame. Extending outwardly from the wall member is a folded leg member which is inserted between the window and the window frame, thereby compressing it and urging a locking flange on the folded leg member into engagement with the glazing lip on the window frame to secure the glazing bead and the window in place in the window frame. When the glazing bead is snapped into place, the arcuate wall member is compressed and thus resiliently urges said locking flange laterally towards and into engagement with said glazing lip on said window frame. This compression of the resilient wall member also tends to effectuate a seal between it and the window. |
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DETAILED DESCRIPTION What is claimed is: 1.
A glazing bead adapted to secure a second, larger thickness of insulated window means in a window frame means designed to normally receive a first, smaller thickness of insulated or uninsulated window means, wherein the window frame means is of the type having a glazing channel terminating on one side in a glazing lip, wherein the glazing bead comprises: resilient wall means adapted to engage, when installed, the window means and the window frame means; locking means adapted to engage, when installed, the inner edge of the glazing lip on the window frame means; resilient folded leg means, wherein said folded leg means comprises first leg member means which extend outwardly from said wall means and then folds and reverses direction to form second leg member means which extend towards said wall member means, wherein said locking means extends outwardly from said folded leg means; wherein, when said glazing bead is installed, said resilient folded leg means is adapted to be compressed between said window means and said window frame means and urge said locking means towards said frame means into engagement with said glazing lip; and wherein, when said glazing bead is installed, said resilient wall means is adapted to be compressed and resiliently urge said locking means laterally towards and into engagement with said glazing lip; and wherein said compression also tends to bring said resilient wall means into firm contact with at least one of said window means and said window frame means.
2.
The glazing bead according to claim 1, wherein said resilient wall means has a generally arcuate cross sectional configuration.
3.
The glazing bead according to claim 1, wherein at least a portion of said resilient wall means has a generally arcuate cross sectional configuration.
4.
The glazing bead according to claim 1, wherein said locking means comprises flange means which extend outwardly from said folded leg means.
5.
The glazing bead according to claim 4, wherein said flange means extend outwardly from said folded leg means for a distance just sufficient to enable said flange means to engage the outermost portion of the inner edge of the glazing lip when said glazing bead is installed
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