Vacuum cleaner fan unit and access aperture

Details Vacuum cleaner fan unit and access aperture Vacuum cleaner fan unit and access aperture

2008-04-22

2008-04-22

Snider, Theresa T. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S415100

Reexamination Certificate

active

10808062

ABSTRACT:
A vacuum cleaner according to an embodiment of the invention includes a chassis, a fan unit including a blower housing mounted to the chassis and an inlet housing affixed to the blower housing, and a baseplate affixed to the chassis. An access aperture is formed in the baseplate. The access aperture extends at least partially over the fan unit. A door can be included in the baseplate. A bearing washer is positioned between the blower housing and the inlet housing and provides a substantially air-tight seal between the blower housing and the inlet housing. The inlet housing includes a bearing face, an inlet conduit portion, a slide flange, and a slide block. The slide block slides into and engages the slide flange and further slides into and engages the chassis of the vacuum cleaner.

REFERENCES:
patent: 2103054 (1937-12-01), Becker
patent: 2345452 (1944-03-01), Boyer
patent: 2359194 (1944-09-01), Becker
patent: 2657417 (1953-11-01), Howard
patent: 2730750 (1956-01-01), La Briere
patent: 2763025 (1956-09-01), Segesman
patent: 3199138 (1965-08-01), Nordeen

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