Suction pipe coupling mechanism for vacuum cleaner

Details Suction pipe coupling mechanism for vacuum cleaner Suction pipe coupling mechanism for vacuum cleaner

1993-12-10

1995-03-28

Arola, Dave W.

Pipe joints or couplings

Vacuum cleaner type

285338, 285351, 285910, F16L 1702

Patent

active

054010616

ABSTRACT:
A suction pipe coupling mechanism for vacuum cleaners in which the coupling mechanism is provided with a joint pipe on one of two suction pipes to be coupled with each other. The joint pipe is formed in a size suitable for insertion into the opening at the connecting end of the other or second suction pipe and has an elastic sealing member to be expanded radially outward against the inner periphery of the connecting end of the second suction pipe.

REFERENCES:
patent: 402600 (1889-05-01), Kemp
patent: 1657488 (1928-01-01), Shadden
patent: 2574109 (1951-11-01), Kane et al.
patent: 2843400 (1958-07-01), Van Doren
patent: 3986737 (1976-10-01), Krusche
patent: 4240473 (1980-12-01), Leonard
patent: 4486002 (1984-12-01), Riess et al.

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