Upright vacuum cleaner having suction path switching valve

Details Upright vacuum cleaner having suction path switching valve Upright vacuum cleaner having suction path switching valve

2008-03-06

2011-10-11

Nguyen, Dung Van (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S410000, C015S331000, C015S334000

Reexamination Certificate

active

08032982

ABSTRACT:
An upright vacuum cleaner having a suction path switching unit is provided that includes a cleaner body having and a body frame; a suction inlet body hinged to the body frame; a hose in fluid communication with the body frame and an extension pipe; and a suction path switching unit disposed on the body frame. The suction path has an operating duct elastically arranged on a suction path to be able to slide up and down. As the extension pipe is inserted into or withdrawn from a socket disposed on the body frame, the operating duct selectively diverts the suction path to a first suction path flowing from the suction inlet body to the dust collecting unit or a second suction path flowing from the extension pipe to the dust collecting unit.

REFERENCES:
patent: 4377882 (1983-03-01), Dyson
patent: 4573236 (1986-03-01), Dyson
patent: 5477586 (1995-12-01), Jacobs et al.
patent: 7559112 (2009-07-01), Lee et al.
patent: 2004/0194247 (2004-10-01), Macleod et al.
patent: 2006/0026789 (2006-02-01), Fischer et al.
patent: 2006/0282976 (2006-12-01), Richardson et al.
patent: 1464267 (2004-10-01), None
Search and Examination Report dated Nov. 14, 2008 corresponding to United Kingdom Patent Application No. 0813024.7.

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