Partly retractable construction platform

Details Partly retractable construction platform Partly retractable construction platform

2006-07-04

2006-07-04

Chin-Shue, Alvin (Department: 3634)

Fire escape, ladder, or scaffold

Wall- or floor-attached

Reexamination Certificate

active

07070020

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.

REFERENCES:
patent: 4444289 (1984-04-01), Jungman
patent: 20771/92 (1992-10-01), None
patent: 4319664 (1995-02-01), None
patent: 1.528.135 (1968-06-01), None
patent: 2-274970 (1990-11-01), None
patent: WO 95/06794 (1995-03-01), None

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