Patent ID: 7644542

Claim:
A sliding door comprising a frame having a lower, an upper and two lateral frame profiles, the lateral frame profiles being attached to the lower and upper frame profiles, a door leaf held in the frame in a retaining channel of each of the frame profiles, said lower frame profile has an H-shaped cross section defined by a lower channel and said retaining channel of said lower frame profile, lower runners which are mounted on retaining elements are inserted into the lower channel of the lower frame profile, the retaining elements each being provided with a sloping face and having a threaded element which engages an adjusting screw, the retaining channels of at least the lateral frame profiles each define a width and are each provided with a pair of projections at the opening thereof, each said pair of projections being separated by a distance which is less than said width of a respective one of said retaining channels, and elongate, intermediate mating pieces each fitted onto a respective one of said pair of projections, said intermediate mating pieces each having opposed first and second sides defining channels, a first width, a second width, and a third width, each said first width is substantially commensurate with the width of a respective one of the retaining channels of the lateral frame profiles the second width of each of said intermediate pieces is substantially commensurate with a width of the lower channel of the H-shaped cross section of the lower frame profile, and the channels of each said intermediate piece defining the third width which is substantially commensurate with to the distance separating said respective one of the pair of projections, and said intermediate mating pieces being provided with bores which receive said adjusting screws and fastening screws for attaching said lower and lateral frame profiles together.