Apparatus for Forming Temporary Guardrail on Stairs
AssigneeSafety Maker, Inc.
InventorsMiguel Osvaldo Gutierrez, Andrew H. Hilliard
Life of this patent
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Abstract
An apparatus for use in erecting a temporary guardrail on a stair, having a stair stringer. The apparatus has an elongated stanchion. A first jaw assembly is operatively attached to the stanchion for engaging one side of the stringer, proximal the bottom edge thereof, and includes a first compression assembly to operatively urge the stanchion against the stringer. A second axially spaced, jaw assembly is operatively attached to the stanchion for engaging the one side of the stringer proximal a top edge thereof, and includes a second compression assembly to urge the stanchion against the stringer, and a bracket attached to the stanchion, and being adapted to receive a temporary guardrail member.
Claims19
An apparatus for use in erecting a temporary guardrail having a stair stringer having a first engagement surface, a bottom edge and a top edge, and a second spaced engagement surface comprising:
- an elongated stanchion having a front side and a back side;
- a first jaw assembly operatively attached to said stanchion, said first jaw assembly including a first head portion adapted to operatively engage said first engagement surface of said stair stringer proximal said bottom edge thereof;
- and a first compression assembly attached to said first head portion and operative to apply a compressive force to the back side of said stanchion to urge said stanchion against the first engagement surface of said stringer;
- a second, spaced jaw assembly, operatively attached to said stringer, said second jaw including a second head portion, adapted to operatively engage said first engagement surface of said stringer proximal said top edge thereof;
- and a second compression assembly attached to said second head portion and operative to apply a compressive force to the back side of said stanchion to urge said stanchion against the first engagement surface of said stringer;
- and
- at least one bracket operatively attached to said stringer and axially spaced from said second jaw, said bracket being adapted to receive a temporary rail member.
A temporary guardrail system for a stair having a stair stringer having a first engagement surface, a bottom edge and a top edge, and a second spaced engagement surface comprising:
- an elongated stanchion having a front side and a back side;
- a first jaw assembly operatively attached to said stanchion, said first jaw assembly including a first head portion adapted to operatively engage said first engagement surface of said stair stringer proximal said bottom edge thereof;
- and
- a first compression assembly attached to said first head portion and operative to apply a compressive force to the back side of said stanchion to urge said stanchion against the first engagement surface of said stringer;
- a second, spaced jaw assembly, operatively attached to said stringer, said second jaw including a second head portion, adapted to operatively engage said first engagement surface of said stringer proximal said top edge;
- and a second compression assembly attached to said second head portion and operative to apply a compressive force to the back side of said stanchion to urge said stanchion against the first engagement surface of said stringer;
- at least one bracket operatively attached to said stringer and axially spaced from said second jaw, said bracket being adapted to receive a temporary rail member;
- and
- a rail member received in said bracket.
Dependencies are inferred from the claim text.