Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1997-01-30
1999-04-20
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
55276, A47L 900
Patent
active
058946292
ABSTRACT:
Disclosed is a sound absorbing assembly for a vacuum cleaner, which has a simple internal structure and a low manufacturing cost and is convenient to assemble. A front cap of the sound absorbing assembly supports a front end of a motor assembly and alleviates a vibration which is generated during the operation of the motor assembly. A first taper portion extends radially inwards from an inner end of the front cap. A plurality of engaging protrusions are formed on an outer periphery of the first taper portion. Motor assembly is inserted into the inner end of the front cap at a front end thereof. An air guide encloses a part of a half rear portion of the motor assembly and guides air exhausted from the motor assembly. A rear casing encloses the motor assembly and the air guide. The rear casing is engaged with the inner end of the front cap at an opening end thereof. For this purpose, a second taper portion is formed at an opening end of the rear casing. The second taper portion corresponds to the first taper portion. The rear cap is engaged with a rear end of the motor assembly. The rear cap supports the rear end of the motor assembly and alleviates a vibration which is generated during the operation of the motor assembly.
REFERENCES:
patent: 4829625 (1989-05-01), Wang
patent: 4864683 (1989-09-01), Herron et al.
patent: 5293664 (1994-03-01), Lim et al.
patent: 5454690 (1995-10-01), Wolfe et al.
patent: 5513417 (1996-05-01), Kim et al.
patent: 5720074 (1998-02-01), Lee
Daewoo Electronics Co. Ltd.
Moore Chris K.
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