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US 5,688,041 AGranted
Demarcation lighting system
AssigneeGeorg Robel GmbH & Co.
InventorDieter Arndt
Life of this patent
Estimating the term…
Abstract
A demarcation lighting system for separating danger zones and work areas, includes a transparent lamp assembly accommodating a lamp and being made of tubular, flexible material. Each axial end of the lamp assembly is equipped with a coupling for allowing a detachable connection of a further lamp assembly.
Claims39
A demarcation lighting system for demarcating and illuminating danger zones and work areas, comprising:
- a transparent lamp assembly defining an axis and having opposing ends, said lamp assembly containing a lamp and being made of tubular, flexible material;
- coupling means secured to said lamp assembly for allowing a selective detachable connection to a further lamp assembly, said coupling means including a first coupling arranged on one end of said lamp assembly and a second coupling arranged on the other end of said lamp assembly;
- and
- a pedestal detachably secured to one of said first and second couplings and including a base extending vertically to the axis of said lamp assembly and a cable for supply of electric energy.
1 more element
A demarcation lighting system for demarcating and illuminating danger zones and work areas, comprising:
- a transparent lamp assembly defining an axis and having opposing ends, said lamp assembly containing a lamp and being made of tubular, flexible material;
- and
- coupling means secured to said lamp assembly for allowing a selective detachable connection to a further lamp assembly, said coupling means including a first coupling arranged on one end of said lamp assembly and a second coupling arranged on the other end of said lamp assembly;
- and
- a pneumatic valve secured to said lamp assembly for generating an overpressure in said lamp assembly.
2 more elements
A demarcation lighting system for demarcating and illuminating danger zones and work areas, comprising:
- a transparent lamp assembly defining an axis and having opposing ends, said lamp assembly containing a lamp and being made of tubular, flexible material;
- and
- coupling means secured to said lamp assembly for allowing a selective detachable connection to a further lamp assembly, said coupling means including a first coupling arranged on one end of said lamp assembly and a second coupling arranged on the other end of said lamp assembly;
- a terminal box secured to one of said first and second couplings for sealing said lamp assembly in a watertight manner;
- and
- a pneumatic valve secured to said terminal box.
3 more elements
Dependencies are inferred from the claim text.