Self-extending electrical hose

Details Self-extending electrical hose Self-extending electrical hose

2008-10-14

2010-06-15

Brinson, Patrick F (Department: 3754)

Pipes and tubular conduits

Flexible

C138S121000, C138S122000, C138S140000, C138S127000, C174S047000

Reexamination Certificate

active

07735523

ABSTRACT:
A hose construction adapted for efficiently conveying fluids while extended, but capable of neatly contracting to a fraction of its extended length for storage or transportation, while integrally incorporating lines for electrical requirements. Storage may be within an outer hose and may be triggered via closure of a valve within a nozzle so that negative pressure causes contraction of the folds of the hose. The contracted hose has a length that is a fraction of its normal extended length. The hose construction incorporates a wire reinforcing member which may bias the hose for self-extension and may also function as part of the electrical system. The electrical lines may comprise stranded copper wires to conduct power and/or serve as a remote activation circuit. The hose configuration may have a cover with external folds, which maximizes flow and provides a cushioning outer diameter to prevent damage to the hose.

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patent: 7520302 (2009-04-01), Smith
patent: 2003/0111126 (2003-06-01), Moulton et al.

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