Coupling device for vacuum cleaner

Details Coupling device for vacuum cleaner Coupling device for vacuum cleaner

1988-11-23

1990-07-17

Reese, Randolph A.

Pipe joints or couplings

Vacuum cleaner type

285319, 285320, 285921, 285281, 285174, A47L 924, F16L 3902

Patent

active

049416898

ABSTRACT:
A coupling device for releasably connecting a suction hose (15) to a vacuum cleaner housing (10) includes a tube connection piece (13) attached to the suction base and adapted to be inserted into a cylindrical socket (11) in the vacuum cleaner housing. The tube connection piece (13) is rotatably attached to a coupling sleeve (16) which carries a latch (17) which is releasably connected to the vacuum cleaner housing (10) in a non-rotatable position.

REFERENCES:
patent: 115917 (1871-06-01), Wharton
patent: 2523770 (1950-09-01), Marette
patent: 2667371 (1954-01-01), Holte
patent: 2755106 (1956-07-01), Brennan et al.
patent: 2839316 (1958-06-01), Kasper
patent: 3375541 (1968-04-01), Fromknecht
patent: 4211438 (1980-07-01), Asberg

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