Vacuum cleaner hose assembly, a flexible hose therefor and metho

Details Vacuum cleaner hose assembly, a flexible hose therefor and metho Vacuum cleaner hose assembly, a flexible hose therefor and metho

1995-03-22

1996-11-19

Arola, Dave W.

Pipe joints or couplings

Vacuum cleaner type

285280, 285903, 264299, 29450, 29890, 29 14, F16L 2100

Patent

active

055755097

ABSTRACT:
A vacuum cleaner hose assembly, a flexible hose therefor and methods of making the same are provided, the hose assembly comprising a flexible hose having a cuff end and a tubular tool part having an end telescoped in the cuff end and being locked therein while being rotatable relative thereto, the cuff end having a pair of axially spaced apart and inwardly directed annular convolutions provided with like facing sides, the end of the tool part having a pair of axially spaced apart and outwardly directed annular shoulders respectively engaging the sides of the annular convolutions to tend to lock the end of the tool part in the cuff end of the hose, the cuff end of the hose having an annular structure interconnecting the pair of convolutions together, the annular structure of the cuff end of the hose being annularly spaced outwardly from the tool part so as to be out of engagement therewith from one of the convolutions to the other of the convolutions.

REFERENCES:
patent: 4345805 (1982-08-01), Finley et al.
patent: 4558889 (1985-12-01), Gans
patent: 4625998 (1986-12-01), Draudt et al.
patent: 4747621 (1988-05-01), Gans et al.
Prior known cuff end of flexible vacuum cleaner hose as illustrated in FIGS. 1-7 of this patent application.

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