Patent ID: 6699108
Filing Date: 2004-03-02
Classification: B23Q,Y10T

Abstract:
A rotary woodworking machine comprising:a base frame having first and second lateral sides and a top side; a first rotary woodworking member disposed adjacent to said first lateral side of said base frame; a second rotary woodworking member disposed above said top side of said base frame; a third rotary woodworking member disposed adjacent to said second lateral side of said base frame; a motor assembly mounted in said base frame and coupled to and driving rotatably said first, second and third rotary woodworking members; and a dust collecting mechanism including a first dust collecting unit for collecting wood dust generated during a woodworking operation of said first rotary woodworking member, said first dust collecting unit confining a first dust guideway, said first dust guideway having an inlet port which is disposed in the vicinity of said first rotary woodworking member, said first dust guideway being formed with an air duct therein, said air duct having a first opening which is disposed downstream of said inlet port of said first dust guideway and which is in spatial communication therewith, said air duct further having a second opening which is disposed downstream of said first opening, an air conduit confining a flow channel which is connected to and which is in fluid communication with said second opening, a second dust collecting unit for collecting wood dust generated during a woodworking operation of said second rotary woodworking member, said second dust collecting unit confining a second dust guideway, said second dust guideway having an inlet port which is disposed in the vicinity of said second rotary woodworking member, and an outlet port which is disposed down stream of said inlet port of said second dust guideway and which is connected to and which is in fluid communication with said air conduit, a third dust collecting unit for collecting wood dust generated during a woodworking operation of said third rotary woodworking member, said third dust collecting unit confining a third dust guideway, said third dust guideway having an inlet port which is disposed in the vicinity of said third rotary woodworking member, and an outlet port which is disposed downstream of said inlet port of said third dust guideway, a dust accommodating unit for receiving the wood dust from said first, second and third dust guideways, said dust accommodating unit being formed with a partition wall to partition said dust accommodating unit into first and second accommodation chambers, said partition wall being formed with a communicating hole to permit fluid communication between said first and second accommodation chambers, said first accommodation chamber having a first entrance port which is connected to and which is in fluid communication with said outlet port of said third dust guideway, said second accommodation chamber having a second entrance port which is connected to and which is in fluid communication with said flow channel of said air conduit, said second accommodation chamber further having an exit port, a blower casing confining an impeller accommodating space and formed with a first port which is connected to and which is in fluid communication with said exit port, and a second port, and a blower impeller disposed in said impeller accommodating space and operable so as to draw the wood dust in said second accommodation chamber of said dust accommodating unit into said impeller accommodating space through said first port and out of said second port.