E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
311/30, 304/4
E04G 1/24 (2006.01) E04G 1/34 (2006.01) E04H 3/28 (2006.01)
Patent
CA 1055079
MOBILE ELEVATIONALLY ADJUSTABLE STAGE Abstract of the Disclosure The stage section comprises a pair of planer stage surface members hinged together for movement between a compact folded position, and an operative position. Pairs of main support legs are pivotally attached to each stage surface member so as to remain substantially vertical to support the stage in both the operative and folded positions. Castor wheel assemblies are mounted near the bottoms of the support legs, and a manually actuated mechanism is provided for controlling the retraction or extension of the wheels into ground engaging position, inde- pendently of the unfolding of the stage, so that the stage can first be unfolded, then moved precisely into the desired position before retracting the wheels to transfer the stage load to the support legs. A safety locking mechanism for stabilizing the stage in its unfolded, operative position has a lever which projects alongside the edge of the stage in its unlocked posi- tion, so as to prevent inadvertently juxtaposing a plurality of stage sections to form a large stage surface, while the sections are in their unlocked position. Telescoping support legs, and adjustable cross braces cooperate to provide great stability of the structure even at very high positions of the stage.
257902
Bue Richard C.
Carlson Ronald R.
Wilson Kermit H.
Sico Incorporated
Wilson Kermit H.
LandOfFree
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