Coupling arrangement for two co-axial vacuum cleaner conduits

Details Coupling arrangement for two co-axial vacuum cleaner conduits Coupling arrangement for two co-axial vacuum cleaner conduits

1978-04-11

1980-07-08

Arola, Dave W.

Pipe joints or couplings

Vacuum cleaner type

285281, 285174, 285319, 285DIG22, A47L 924

Patent

active

042114381

ABSTRACT:
A connection for two co-axially arranged conduit parts of a vacuum cleaner. The connection includes a coupling which has means for turnable mounting the vacuum cleaner hose relative to a coupling member on the vacuum cleaner housing. The connection further comprises an outer and inner sleeve, with the latter being provided with said turnable means in the form of claws which are adapted to slidingly fit in a peripheral groove in a tubular portion of the coupling member.

REFERENCES:
patent: 2729474 (1956-01-01), Unger
patent: 2774554 (1956-12-01), Ashwood et al.
patent: 3565464 (1971-02-01), Wolf
patent: 3684321 (1972-08-01), Hundhausen
patent: 3711125 (1973-01-01), Dehar
patent: 4067534 (1978-01-01), Frey
patent: 4099744 (1978-07-01), Kutnyak et al.

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