Exterior window unit having adapter sill member
AssigneeYoshida Kogyo K.K.
InventorYukio Yamamoto
Life of this patent
Estimating the term…
Abstract
An exterior window unit is adapted to cover an opening in a building wall. An adapter sill member has a vertical and a horizontal section adapted to be secured, respectively, to an exterior vertical and a horizontal top surface of a fixed sill in the building wall, the adapter sill member having a first engaging means extending along its lower edge. A frame sill of the unit has a mounting means having a vertical and a horizontal portion adapted to be secured, respectively, to the vertical and horizontal sections of the adapter sill member, the frame sill having a second mounting means having a second engaging means which engages the first engaging means.
Claims5
An exterior window unit for covering an opening in a building wall, the opening having a first sill, said exterior window unit comprising:
- a. a frame having a second sill;
- b. a pair of sashes mounted within said frame in parallel closely spaced planes;
- c. an adapter sill member for extending along the length of the first sill, said member having a vertical section adapted to be secured flatwise against an exterior vertical surface of the first sill, and a horizontal section extending inwardly from said vertical section at the upper edge thereof and adapted to be secured flatwise against a horizontal top surface of the first sill, said adapter sill member having a marginal portion extending along its lower edge as a channel of upwardly opening U-shaped cross-section facing away from the first sill;
- d. a first mounting means on said second sill having a vertical portion and a horizontal portion for being secured respectively to said vertical and said horizontal sections of said adapter sill member, said horizontal portion overlying said horizontal section for being secured directly to said first sill;
- and
- e. a second mounting means on said second sill having an engaging means received in said channel.
Dependencies are inferred from the claim text.