Pipe joints or couplings – Vacuum cleaner type
Patent
1998-02-03
1999-07-27
Arola, Dave W.
Pipe joints or couplings
Vacuum cleaner type
285 211, 285 213, 2851241, 285423, 285903, 285906, 174 47, A47L 924
Patent
active
059277572
ABSTRACT:
A vacuum cleaner hose assembly has a corrugated, flexible hose with fittings at opposite ends for connection to the vacuum cleaner suction inlet and to a cleaning head. A tube or cable extends along the assembly for supply of cleaning fluid or electrical power to the cleaning head. The tube or cable is retained with the hose by means of a U-shape channel provided as a separate member bonded to the outside of the hose. The tube or cable extends within the channel as a loose fit so that it can move along the channel on flexing of the hose, thereby helping maintain flexibility of the assembly.
REFERENCES:
patent: 3553629 (1971-01-01), Brown et al.
patent: 3962745 (1976-06-01), Collier
patent: 4064355 (1977-12-01), Neroni et al.
patent: 4165140 (1979-08-01), Lyman
patent: 4368348 (1983-01-01), Eichelberger et al.
patent: 4517404 (1985-05-01), Hughes et al.
patent: 5109568 (1992-05-01), Rohn et al.
Arola Dave W.
Smiths Industries Public Limited Company
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