Multi-function vacuum collector

Details Multi-function vacuum collector Multi-function vacuum collector

2009-03-16

2010-11-02

Van Nguyen, Dung (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S352000

Reexamination Certificate

active

07823248

ABSTRACT:
A vacuum collector includes an upright support supported on a base, a housing disposed on top of the upright support, a fan device attached to the housing, a dust collecting receptacle attached to the housing for collecting the dirt, a tubular member has one end coupled to the housing for guiding the dirt into the housing and has a manifold, and the other end coupled to a mouth, two valve devices are coupled to the mouth and the manifold for controlling the dirt to selectively flow into the housing from the mouth or from the manifold, or from the ground, the plants or work places where the machine tools are located, or the other places where are full of dirt or dust or ash.

REFERENCES:
patent: 4704764 (1987-11-01), Metelko, Jr.
patent: 6507974 (2003-01-01), Cheng
patent: 7201785 (2007-04-01), Lin
patent: 7217307 (2007-05-01), Cheng
patent: 7318249 (2008-01-01), Lin
patent: 2009/0106931 (2009-04-01), Lin

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