Window assembly of rigid plastics material

Details Window assembly of rigid plastics material Window assembly of rigid plastics material

1987-11-02

1989-05-23

Brittain, James R.

Movable or removable closures

Frame with closure feature

49408, 49458, 49DIG2, E06B 130

Patent

active

048317810

ABSTRACT:
A rectangular window frame includes a pair of vertical jamb members rigidly connected by a head member and a sill member all formed from extrusions of rigid plastics material. Each jamb and head member includes an inner section which snap-fits laterally into an outer section, and each outer section has a cross-sectional profile corresponding to that of the sill member to provide the frame with rigid fusion-welded mitered corner joints and a sill member with a low profile. The inner sections of the jamb and head members define channels for slidably receiving window units including a pair of rectangular sash frames each formed from extrusions and including snap-fit extruded cap members. The sash frames also receive removable extruded glazing strips which retain glass window panels within the sash frames.

REFERENCES:
patent: 3636660 (1972-01-01), Peterson
patent: 4259813 (1981-04-01), Winner et al.
patent: 4428156 (1984-01-01), Malm et al.
patent: 4553361 (1985-11-01), Ralph
patent: 4555868 (1985-12-01), Mancuso
patent: 4569154 (1986-02-01), Bayer
patent: 4580366 (1986-04-01), Hardy

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