Dust collection unit for electric vacuum cleaner and upright...

Details Dust collection unit for electric vacuum cleaner and upright... Dust collection unit for electric vacuum cleaner and upright...

2006-10-05

2010-02-02

Hopkins, Robert A (Department: 1797)

Gas separation

Residue access, handling or removing means

Separable collection container

C055S433000, C055S502000, C055SDIG030, C015S350000, C015S352000, C015S353000

Reexamination Certificate

active

07655060

ABSTRACT:
An electric vacuum cleaner is equipped with a dust collection unit (20) that can be detachably installed in the air passage en route from a suction unit to an electric fan of the cleaner. The dust collection unit (20) comprises a dust collecting case (21) for accumulating dust sucked in, a lid member (32) that can be opened to discharge the accumulated dust; and a lock mechanism (clamp lever) (33) for locking the lid member32tightly closed. The dust collection unit (20) is further provided with a hand grip (24), arranged to face said user, thereby facilitating a user to hold the dust collection unit when discharging dust from the bottom of the dust collecting case. Further, a hinge (31) is arranged at a position which is adjacent to said bottom (32) of said dust collecting case (21) facing the user holding the hand grip. Furthermore, a lock mechanism (33) is arranged near the periphery of the lid member (32) and at a position opposite to the hinge.

REFERENCES:
patent: 6607572 (2003-08-01), Gammack et al.
patent: 7329295 (2008-02-01), Greene et al.
patent: 7404231 (2008-07-01), Kang
patent: 1492742 (2004-04-01), None
patent: 531-20850 (1978-10-01), None
patent: 2004-528876 (2004-08-01), None

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