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US 8,618,444 B2Granted
Rotary door heater system
AssigneeMSX, Inc.
InventorThaddeus M. Jones
Life of this patent
Estimating the term…
Abstract
A revolving door deicer/dryer system including a floor grate having a bottom side and a heating system associated with the bottom side of the floor grate. The heating system includes at least one shaped plate and at least one heating element serpentinely routed on the at least one shaped plate.
Claims16
A revolving door floor deicer/dryer system, comprising:
- a floor grate having a bottom side, said floor grate having at least one support fin extending from said bottom side;
- a heating system associated with said bottom side, said heating system including:
- at least one shaped plate;
- and
- at least one heating element serpentinely routed on and adhered to said at least one shaped plate, said at least one shaped plate having at least one slot therein, said at least one support fin extending through a portion of said at least one slot.
2 more elements
A floor grate deicer/dryer system associated with a rotating door, the floor grate having a perimeter and at least one support fin extending from a bottom side thereof, the at least one support fin being located away from the perimeter, the floor grate deicer/dryer system, comprising:
- a heating system associated with a bottom side of the floor grate, said heating system including:
- at least one shaped plate;
- and
- at least one heating element serpentinely routed on and adhered to said at least one shaped plate, said at least one shaped plate having at least one slot therein, the at least one support fin extending through a portion of said at least one slot.
1 more element
Dependencies are inferred from the claim text.