Patent ID: 6564518
Filing Date: 2003-05-20
Classification: E04F

Abstract:
A floor system for covering a stable sub-flooring, the floor system comprising:a flooring disposed on the sub-flooring for covering a large area thereof, said flooring having an opening exposing the sub-flooring, said flooring also having a first upper surface, said first upper surface having a first surface property, and said opening having inner opening contours; a casing for insertion into said opening to seat on the sub-flooring, said casing having outer casing contours which are proximate to said inner opening contours following insertion of said casing into said opening, said casing having inner contours and a casing height; a prefabricated floor element or group of floor elements of stable, substantially unchanging shape, said floor element or group of floor elements for insertion into said casing to substantially fill said casing, said floor element having a second upper surface having a second surface property different than said first surface property, said floor element or group of floor elements having outer element contours which are proximate to said inner casing contours following insertion of said floor element or group of floor elements into said casing; and means for securing said casing and said flooring to the sub-flooring, wherein said securing means, said casing, and said floor element cooperate to dispose said second upper surface in alignment with said first upper surface.