Partly retractable construction platform
OwnerJohn Clement Prestoninventor
Life of this patent
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Abstract
A construction platform comprising a stationary support structure adapted to be fixedly secured to the floor of a building under construction and project from the edge of the building to a predetermined maximum extent, and a movable deck mounted on the stationary structure which may be extended as a cantilever therefrom or retracted into at least substantial registration therewith.
Claims11
A construction platform comprising a stationary support structure adapted to be fixedly secured to the floor of a building under construction and project from the edge of the building to a predetermined maximum extent, and a movable deck mounted on the stationary support structure which may be extended as a cantilever therefrom or retracted into at least substantial registration therewith.
A hybrid construction platform including a stationary inboard portion adapted to project from a building edge to a predetermined maximum extent of no more than two and a half metres, and a movable portion mounted on the stationary portion which may be extended as a cantilever therefrom or retracted into at least substantial registration therewith.
Dependencies are inferred from the claim text.