Door for a freezer cabinet
First Claim
Patent Images
1. A door for a refrigerated cabinet comprisingan insulated glass unit of rectangular shape, said unit having three glass panes and a perimeter spacer system maintaining said glass panes in parallel spaced apart relation;
- anda pair of horizontally disposed aluminum rails, each said rail having a side wall, a first web extending perpendicularly from said side wall, a first flange extending from and perpendicularly of said first web to define a first channel for receiving a respective edge of said insulated glass unit, a second web extending perpendicularly from said side wall to define a second channel with said first web and a second flange extending from and perpendicularly of said second web;
a pair of plastic breakers, each said breaker being mounted on a respective aluminum rail in abutment with said first flange and said second flange thereof and having a first recess therein facing away from said respective aluminum rail;
a pair of vertically disposed plastic rails connected to and across said pair of horizontally disposed rails to define a frame, each said vertically disposed plastic rail having a base, a pair of parallel walls extending perpendicularly of said base to define a third channel for receiving a respective edge of said insulated glass unit, a third flange extending perpendicularly from said base and an L-shaped flange extending from one of said walls of said plastic rail to define a second recess with said third flange; and
a sealing gasket of open rectangular shape mounted in said first recess of each said breaker and in said second recess of each said plastic rail.
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Abstract
A door for a refrigerated cabinet has an insulated glass unit of rectangular shape mounted in a pair of horizontally disposed aluminum rails and a pair of vertically disposed plastic rails connected to and across the pair horizontally disposed rails. A plastic breaker is mounted on each aluminum rail and a sealing gasket of open rectangular shape is mounted in each breaker and in each plastic rail to seal against a planar surface of the refrigerated cabinet in the closed position of the door.
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Citations
15 Claims
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1. A door for a refrigerated cabinet comprising
an insulated glass unit of rectangular shape, said unit having three glass panes and a perimeter spacer system maintaining said glass panes in parallel spaced apart relation; - and
a pair of horizontally disposed aluminum rails, each said rail having a side wall, a first web extending perpendicularly from said side wall, a first flange extending from and perpendicularly of said first web to define a first channel for receiving a respective edge of said insulated glass unit, a second web extending perpendicularly from said side wall to define a second channel with said first web and a second flange extending from and perpendicularly of said second web; a pair of plastic breakers, each said breaker being mounted on a respective aluminum rail in abutment with said first flange and said second flange thereof and having a first recess therein facing away from said respective aluminum rail; a pair of vertically disposed plastic rails connected to and across said pair of horizontally disposed rails to define a frame, each said vertically disposed plastic rail having a base, a pair of parallel walls extending perpendicularly of said base to define a third channel for receiving a respective edge of said insulated glass unit, a third flange extending perpendicularly from said base and an L-shaped flange extending from one of said walls of said plastic rail to define a second recess with said third flange; and a sealing gasket of open rectangular shape mounted in said first recess of each said breaker and in said second recess of each said plastic rail. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. In combination
a refrigerated cabinet having a planar peripheral surface about a compartment therein; - and
a door hinged to said cabinet for movement between a closed position relative to said planar peripheral surface and an open position spaced from said planar peripheral surface, said door including an insulated glass unit of rectangular shape, a pair of horizontally disposed aluminum rails, each said rail having a first channel receiving a respective edge of said insulated glass unit and a second channel facing said refrigerated cabinet, a pair of plastic breakers, each said breaker being mounted on a respective aluminum rail and having a first recess therein facing away from said respective aluminum rail; a pair of vertically disposed plastic rails connected to and across said pair of horizontally disposed rails, each said vertically disposed plastic rail having a third channel for receiving a respective edge of said insulated glass unit and a second recess facing said refrigerated cabinet; and a sealing gasket of open rectangular shape mounted in said first recess of each said breaker and in said second recess of each said plastic rail, said sealing gasket being disposed to seal against said planar peripheral surface of said refrigerated cabinet in said closed position of said door. - View Dependent Claims (12, 13, 14, 15)
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Specification