Multi-component flow passage assembly with snap in sealing adapt

Details Multi-component flow passage assembly with snap in sealing adapt Multi-component flow passage assembly with snap in sealing adapt

1996-07-12

1998-07-28

Arola, Dave W.

Brushing, scrubbing, and general cleaning

Attachments

For a vacuum cleaner

285 7, 285361, 285379, A47L 900

Patent

active

057847509

ABSTRACT:
A multi-component flow passage assembly is disclosed which incorporates an improved sealing adaptor structure. The adaptor includes a generally-cylindrical adaptor body with a rim for seating on the periphery of a first flow passage section, e.g. a vacuum cleaner horn. The adaptor body is made to include a bead which is received within a lip on the horn. The rim includes a sealing ring section in the shape of an O-ring for sealingly engaging the perimeter of a second flow passage section, which is connected to e.g. a vacuum cleaner attachment. The present assembly provides a better seal and simplified construction over previous devices.

REFERENCES:
patent: 1137382 (1915-04-01), Calvert
patent: 2109522 (1938-03-01), Boyle
patent: 3427053 (1969-02-01), Dunlap et al.
patent: 4586735 (1986-05-01), Innes

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