Staircase
First Claim
Patent Images
1. A staircase having a plurality of stair treads which incorporate a heating means, said staircase comprising:
- a plurality of stair treads;
a plurality of metal stair tread covers, each having an upper horizontal surface and a bottom surface, for mounting on corresponding stair treads of the staircase;
a plurality of strip heater elements, each having a peripheral edge attached to and in contiguous contact with corresponding bottom surfaces of said stair tread covers; and
a first layer of synthetic material placed on at least each of said horizontal upper surfaces and over said strip heater elements on said bottom surfaces of said layer.
1 Assignment
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Accused Products
Abstract
A staircase construction is provided which may incorporate an integral heating assembly. The heating assembly is mounted within stair tread covers or repair members which may also be used to repair a damaged staircase. The staircase construction may further incorporate stair tread members of various configurations for attachment to standard stringers.
37 Citations
15 Claims
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1. A staircase having a plurality of stair treads which incorporate a heating means, said staircase comprising:
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a plurality of stair treads;
a plurality of metal stair tread covers, each having an upper horizontal surface and a bottom surface, for mounting on corresponding stair treads of the staircase;
a plurality of strip heater elements, each having a peripheral edge attached to and in contiguous contact with corresponding bottom surfaces of said stair tread covers; and
a first layer of synthetic material placed on at least each of said horizontal upper surfaces and over said strip heater elements on said bottom surfaces of said layer. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A staircase comprising:
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a pair of spaced stringers;
a plurality of stair treads attached between said stringers, each said stair tread having an upper horizontal wearing surface, and a lower surface;
a first covering of synthetic material placed on said upper horizontal wearing surface and said lower surface;
a dispersed layer of particles placed on said first covering of synthetic material of said upper horizontal wearing surface;
a second covering of synthetic material placed on said dispersed layer of particles for holding said dispersed layer of particles on said first covering;
a downwardly projecting front flange contiguous with said upper horizontal wearing surface; and
a pair of upwardly projecting side flanges attached to respective opposite ends of said stair tread, said side flanges each having opposing front and rear edges, wherein said front edge has a length which is longer than a length of said rear edge. - View Dependent Claims (8)
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9. A staircase comprising:
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a pair of spaced stringers;
a plurality of stair treads attached between said stringers, each said stair tread having an upper horizontal wearing surface, and a lower surface;
a first covering of synthetic material placed on said upper horizontal wearing surface and said lower surface;
a dispersed layer of particles placed on said first covering of synthetic material of said upper horizontal wearing surface;
a second covering of synthetic material placed on said dispersed layer of particles for holding said dispersed layer of particles on said first covering;
a downwardly projecting front flange contiguous with said upper horizontal wearing surface; and
a pair of downwardly projecting side flanges attached to respective opposite ends of said stair tread, said side flanges each having opposing front and rear edges, wherein said front edge has a length which is shorter than a length of said rear edge. - View Dependent Claims (10)
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11. A staircase comprising:
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a pair of spaced stringers;
a plurality of stair treads attached between said stringers, each said stair tread having an upper horizontal wearing surface, and a lower surface;
a first covering of synthetic material placed on said upper horizontal wearing surface and said lower surface;
a dispersed layer of particles placed on said first covering of synthetic material of said upper horizontal wearing surface;
a second covering of synthetic material placed on said dispersed layer of particles for holding said dispersed layer of particles on said first covering;
a downwardly projecting front flange contiguous with said upper horizontal wearing surface;
a pair of downwardly projecting side flanges attached to respective opposite ends of said stair tread, said side flanges each having opposing front and rear edges, wherein said front edge has a length which is shorter than a length of said rear edge; and
each said downwardly projecting side flange further including a flange extension connected thereto and projecting under its corresponding stair tread. - View Dependent Claims (13, 14, 15)
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12. A staircase comprising:
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a plurality of stair tread members each having an upper horizontal surface and a bottom surface for mounting between a pair of stringers;
a plurality of strip heating elements each having a peripheral edge attached to and in contiguous contact with corresponding bottom surfaces of said stair treads; and
a first layer of synthetic material placed on at least each of said horizontal upper surfaces and over said strip heater elements on said bottom surfaces of said stair treads.
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Specification