Title: Coupling arrangement for two co-axial vacuum cleaner conduits

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.

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Inventors: Asberg, Gustaf A. (Stockholm, SE)

Application Number: 895442
Filing Date: 1978-04-11
Publication_date: 1980-07-08
Assignee: Aktiebolaget Electrolux (Stockholm, SE)
Primary Class(es): 285/7 285/148.13, 285/281, 285/319, 285/921
Other Classes:
US Patent Ref:

2729474	Jan, 1956	Unger	285/281.
2774554	Dec, 1956	Ashwood et al.	137/873.
3565464	Feb, 1971	Wolf	285/7.
3684321	Aug, 1972	Hundhausen	285/423.
3711125	Jan, 1973	Dehar	285/319.
4067534	Jan, 1978	Frey	285/319.
4099744	Jul, 1978	Kutnyak et al.	285/7.

Other Refs: 1416791

Dec, 1975	GB

Primary Examiner: Arola, Dave W.
Assistant Examiner:
Attorney: Miller; Alfred E.