E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
E04F 11/00 (2006.01)
Patent
CA 2359289
19 A heating assembly is provided which includes a metal stair tread member having an upper horizontal surface and a bottom surface for mounting on a stair tread of a staircase. A strip heating element is attached to the bottom surface of the stair tread member. A first covering of synthetic material encapsulates the horizontal surface of the metal stair tread member and the strip heating element on bottom surface of the stair tread member. The strip heating element is contiguous with the bottom surface and is attached thereto by a gasket extending around the peripheral edge of the strip heating element. A thermostat is electrically connected to the strip heater and to a power source for selectively supplying electric current to the strip heater in response to changes ambient temperatures. A temperature sensing element is in electrical communication with the thermostat wherein the thermostat selectively supplies the current to the strip heating element. The thermostat has multiple settings which are manually selected for providing different selected current levels to the strip heater in response to temperature changes at preselected ambient temperature levels.
Birch Larry L.
Eve John S.
Sim & Mcburney
Tread Ex Inc.
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