Locking device for exhaust filter cover of vacuum cleaner

Details Locking device for exhaust filter cover of vacuum cleaner Locking device for exhaust filter cover of vacuum cleaner

2005-03-22

2005-03-22

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S327100, C015S327700, C055SDIG003

Reexamination Certificate

active

06868579

ABSTRACT:
The present invention relates to a locking structure for an exhaust filter cover of a vacuum cleaner. According to the present invention, there is provided a locking device for an exhaust filter cover of a vacuum cleaner, comprising locking protrusions formed to protrude radially inward from an inner end of the exhaust filter cover which includes a plurality of exhaust holes and supports a filter therein; and locking grooves within which the locking protrusions are locked and which are formed on an outer peripheral surface of an exhaust flange formed to protrude laterally from the circumference of a circular exhaust portion that is formed on a side surface of a motor housing fixed within a casing of a main body of the vacuum cleaner, whereby the exhaust filter cover is fixed to the main body of the vacuum cleaner. Furthermore, each locking groove includes an insertion portion formed linearly from the exterior to the interior, and a locking portion formed to be perpendicular to the insertion portion and to extend along the circumference of the exhaust flange.

REFERENCES:
patent: 3841067 (1974-10-01), Kato et al.
patent: 4577365 (1986-03-01), Yuen
patent: 5074006 (1991-12-01), Eremita
patent: 5810911 (1998-09-01), Behrendt et al.
patent: 5946771 (1999-09-01), Bosyj et al.
patent: 6341404 (2002-01-01), Salo et al.
patent: 6540804 (2003-04-01), Wennerstrom
patent: 20020162188 (2002-11-01), Harmen
patent: 20020166200 (2002-11-01), Conrad et al.

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