Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1999-04-23
2000-08-15
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15303, 15310, A47L 538
Patent
active
061016667
ABSTRACT:
A workbench includes a hollow base member formed with a lower chamber and an upper chamber that is disposed above and in fluid communication with the lower chamber. A tabletop is mounted on top of the base member and is formed with a plurality of apertures for access into the upper chamber. An air filtering device is mounted in the upper chamber. A motor-operated suction device is mounted in the lower chamber and is operable to create a downward air stream for drawing air to flow in a direction from above the tabletop into the base member such that woodworking waste on the tabletop can be drawn into the base member via the apertures so as to be entrapped by the air filtering device.
REFERENCES:
patent: 3411174 (1968-11-01), Jordan
patent: 3624859 (1971-12-01), Folke
patent: 4594747 (1986-06-01), Dempsey
patent: 4647295 (1987-03-01), Christ
patent: 5271123 (1993-12-01), Teske
patent: 5276938 (1994-01-01), Cadwell et al.
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