US Pat. No. 9,238,935

INSULATED WINDOW ASSEMBLY

Deceuninck North America,...

1. An insulated window assembly comprising
a main support frame for installing in a wall opening of a building structure and formed by parallel spaced vertical frame
members rigidly connected by vertically spaced horizontal frame members including an upper frame member and a lowerframe member,
with all of said frame members comprising plastics material,

said main support frame having opposite side portions defining a peripheral inner recess and a peripheral outer recess,
an inner sash unit including an inner sash frame positioned within said inner recess and an outer sash unit including an outer
sash frame positioned within said outer recess, with each of said inner sash frame and said outer sash frame sealed to said
main support frame within the corresponding said recess by peripheral inner weather seals,

said inner sash frame and said outer sash frame having vertical and horizontal frame members comprising plastics material
and being substantially identical in size, with each said sash frame having an outwardly projecting peripheral flange portion
overlapping said main support frame and enclosing a transparent glazing unit,

a set of hinges pivotally connecting each of said inner sash unit and said outer sash unit to one of said frame members of
said main support frame and supporting said inner sash unit and said outer sash unit for pivotal movement between an open
position and a closed position, with said flange portion of said inner sash frame and said flange portion of said outer sash
frame sealed by outer weather seals to outer surfaces of said opposite side portions of said main support frame,

a set of elongated link members having inner end portions connected to intermeshing gears rotatably supported between a cover
plate and a base plate mounted on one of said frame members of said main support frame, with said link members having outer
end portions pivotally connected to both of said sash frames to provide simultaneous movement of said inner sash unit and
said outer sash unit, and

a lock system including a movable handle member on said inner sash frame and a sash keeper on said main support frame for
each of said inner sash frame and said outer sash frame, with a connector member operable to pull said inner sash unit into
said inner recess and pull said outer sash unit into said outer recess in response to movement of said handle member from
an open position to a closed position.

US Pat. No. 9,567,801

INSULATED WINDOW ASSEMBLEY

Deceuninck North America,...

1. An insulated window assembly comprising
a main support frame for installing in a wall opening of a building structure and formed by parallel spaced vertical frame
members of plastics material and rigidly connected by vertically spaced horizontal frame members of plastics material and
including an upper frame member and a lower frame member,

said main support frame having opposite side portions defining a peripheral inner recess and a peripheral outer recess,
an inner sash unit including an inner sash frame positioned within said inner recess and an outer sash unit including an outer
sash frame positioned within said outer recess, with each of said inner sash frame and said outer sash frame sealed to said
main support frame within the corresponding said recess by peripheral inner weather seals,

said inner sash frame and said outer sash frame having vertical and horizontal frame members of plastics material and being
substantially identical in size, with each said sash frame having an outwardly projecting peripheral flange portion overlapping
said main support frame and enclosing a transparent glazing unit,

said flange portion of said inner sash frame and said flange portion of said outer sash frame sealed by outer weather seals
to outer surfaces of said opposite side portions of said main support frame,

a hinge pivotally connecting said inner sash unit to said lower frame member of said main support frame and supporting said
inner sash unit for pivotal movement between an inclined open position and a vertical closed position,

a hinge pivotally connecting said outer sash unit to said upper frame member of said main support frame, and
a plurality of elongated link members each having an outer end portion pivotally connected to a respective one of said inner
sash frame and said outer sash frame and each having an inner end portion connected to a respective gear intermeshing with
a spur gear, with all of said gears supported for rotation between a cover plate and a base plate mounted on each of said
vertical frame members of said main support frame.

US Pat. No. 10,214,957

INSULATED WINDOW ASSEMBLY

Deceuninck North America,...

1. An insulated window assembly comprising:a main support frame for installing in a wall opening of a building structure and formed by parallel spaced vertical frame members rigidly connected by vertically spaced horizontal frame members including an upper frame member and a lower frame member, with said support frame having opposite side portions defining a peripheral inner recess and a peripheral outer recess,
an inner sash unit including an inner sash frame positioned within said inner recess and an outer sash unit including an outer sash frame positioned within said outer recess, with each said sash frame enclosing a transparent glazing unit,
a set of hinges pivotally connecting each said inner sash unit and said outer sash unit to one of said frame members of said main support frame and supporting each said inner sash unit and said outer sash unit for pivotal movement between an open position and a closed position with said inner sash frame and said outer sash frame sealed by weather seals to said opposite side portions of said main support frame,
a set of elongated link members connecting said inner sash unit and said outer sash unit to one of said frame members of said main support frame with said link members being connected to provide simultaneous movement of said inner sash unit and said outer sash unit, and
a lock system including a handle member adjacent said inner sash frame and a sash connector within one of said frame members of said main support frame and operable to secure said inner sash unit and said outer sash unit to said opposite side portions of said main support frame in response to movement of said handle member from an open position to a closed position,
said lock system comprising an elongated strap member supported by each of said sash frames for longitudinal movement, with each said strap member supporting longitudinally spaced studs, said sash connector includes an actuator member supported within one of said frame members of said main support frame for receiving and engaging one of said studs on said strap member on each of said sash frames, and keeper members mounted on at least one of said frame members of said main support frame for releasably engaging at least one of said studs on said strap member on each of said sash frames for locking each said sash unit in said closed position.