Cabin for a telescopic gangway

DETAILED DESCRIPTION What is claimed is: 1.
A telescopic gangway cabin, comprising: a canopy roof with an opening, the opening extending from one side wall to another side wall; an undivided floor extending in a closed position over the entire width of the canopy roof and with an upper surface uninterrupted from said one side wall to said another side wall; and an undivided floor railing connected to said undivided floor in an area of a lateral edge of said undivided floor adjacent to said one side wall in said closed position, said undivided floor railing together with said undivided floor being displaceable at right angles to a vertical portion of said one side wall and said another side wall and displaceable relative to said one side wall and relative to said another sidewall as said railing together with said undivided floor move from said closed position into a retracted position.
2.
A telescopic gangway cabin in accordance with claim 1, further comprising: a gangway floor having a front edge; two running rails at an underside of said floor, extending at right angles to a vertical portion of said one side wall and said another side wall; gangway structure spars connected to said gangway floor, support rollers engaging said running rails and mounted on said spars of said gangway structure.
3.
A telescopic gangway cabin in accordance with claim 2, wherein said undivided floor railing together with said undivided floor are displaceable from said closed position into said retracted position and said spars are disposed such that with said floor in said retracted position one of said spars is arranged approximately in the middle under said undivided floor and another of said spars is arranged in an area of an edge of said floor, which said edge is free from said railing on a side.
4.
A telescopic gangway cabin in accordance with claim 1, wherein a drive for displacement is associated with said undivided floor.
5.
A telescopic gangway cabin in accordance with claim 4, further comprising: a roller chain with two ends fastened in the area of lateral edges of said undivided floor; a pinion; and a motor fastened to one of said spars, said motor providing a drive which engages with said pinion for moving said roller chain