Portable riser unit with a telescopic brace

Details Portable riser unit with a telescopic brace Portable riser unit with a telescopic brace

1993-09-30

1995-01-17

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Unitary foldable, rigid scaffold or ladder

182223, 52 9, E04H 312

Patent

active

053818733

ABSTRACT:
A portable stepped riser unit for supporting persons or items above a floor, a stage or the like is provided. The riser unit is foldable for transport and storage. It includes a generally tubular support frame, a plurality of platforms for forming the steps removably mounted on the support frame, and a lockable telescoping brace assembly associated with the support frame. The brace assembly includes a foot operated lock, whereby a single operator may fold, move and erect the riser unit.

REFERENCES:
patent: 2605117 (1952-07-01), Hooz et al.
patent: 3974894 (1976-08-01), Wenger et al.

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