Suction nozzle coupling having rotatably mounted therein a conne

Details Suction nozzle coupling having rotatably mounted therein a conne Suction nozzle coupling having rotatably mounted therein a conne

1990-01-11

1991-08-13

Nicholson, Eric K.

Pipe joints or couplings

Vacuum cleaner type

283921, 283298, A47L 924

Patent

active

050391330

ABSTRACT:
A coupling of a suction nozzle, with a connector of a suction hose of a vacuum cleaner being rotatably mounted in the coupling, whereby the connector, on an end thereof that faces the suction nozzle, is provided with a larger diameter flange that for the axial fixation and rotatable mounting of the connector extends into an undercut of a cylindrical receiving opening of the coupling. A sleeve is provided between the connector and the receiving opening of the coupling. Cooperating arresting means are provided on the sleeve and the coupling for connecting the same, whereby the sleeve, together with the coupling, form the undercut thereof.

REFERENCES:
patent: 2198905 (1940-04-01), Content
patent: 2444888 (1948-07-01), Baumgardner
patent: 3167330 (1965-01-01), Draudt
patent: 3212795 (1965-10-01), Helm et al.
patent: 3239244 (1966-03-01), Leinfelt
patent: 3262718 (1966-07-01), Draudt
patent: 3832753 (1974-09-01), Crooks
patent: 4211438 (1980-07-01), Asberg
patent: 4537424 (1985-08-01), Maier et al.
patent: 4747179 (1988-05-01), Berfield
patent: 4941689 (1990-07-01), Sjoberg

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