Moveable stair apparatus
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United States of America Patent
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Feb 17, 1987
Grant Date -
N/A
app pub date -
Feb 10, 1986
filing date -
Feb 10, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A moveable stair apparatus 10 is described for allowing access from a lower floor 103 to a loft or upper floor 101 in a building or between the upper floors 101 and 102 in the building. The moveable stair apparatus includes a plurality of equally spaced apart moveable steps 12 mounted on a girder assembly 11 with a plurality of vertically extending posts 15 mounted to the steps and also a pair of parallel hand rails 16 mounted to the posts. A first pivot pin 18 is secured to the girder assembly to allow pivotable movement of the moveable stair apparatus to a lower floor 103 in a stairway position or to a second floor 102 in a catwalk position.
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