E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
E04F 11/06 (2006.01) A61G 3/06 (2006.01) B64C 1/24 (2006.01) B64F 1/315 (2006.01) B66B 9/04 (2006.01) B66B 9/08 (2006.01)
Patent
CA 2138779
A combined stairway and lift apparatus comprising a stairway (40) which, by a lifting means (48), can be raised and lowered at least at one end, and wherein the steps (44) all the time are horizontal during the raising or lowering movement, the stairway (40) in a horizontal position forming a planar surface flush with a raisable and lowerable platform (47). The platform (47) is interconnected with the stairway (40) at the lower end thereof. Further, the stairway together with the platform may be raised and lowered by means of parallel stays (41, 42) which at one end are pivotally connected to a support means (45) at the upper end of the stairway (40), the parallel stays (41, 42) along their length being pivotally connected to a number of additional vertical stays (43) which are connected to respective steps (44).
Gowling Lafleur Henderson Llp
Matre Vigbjorn
LandOfFree
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