Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1986-12-11
1988-08-23
Parker, Roscoe V.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51273, B24B 2302
Patent
active
047650990
ABSTRACT:
An improved sanding and dust collecting apparatus connectable to a pneumatic powered actuator is provided which permits one to control and collect the dust and particulate residue generated during the sanding of a surface without the use of external vacuum equipment. The apparatus comprises a housing assembly attachable to and supported by the actuator assembly, an impeller blade assembly rotatably supported within the housing assembly for creating a vortex-like suction within the housing assembly when rotated by a driver spindle of the actuator, a spindle member connected to the driver spindle for rotation thereby, and a sanding disc assembly connected to and supported by the spindle for producing a sanding motion on a surface in response to actuation of the power actuator assembly. A brush assembly is supported by a lower end portion of the housing assembly for forming a flexible dust containment curtain about the sanding disc assembly so that dust and particulate matter generated by the sanding disc assembly is confined within the brush assembly for delivery upwardly through the housing assembly. An outlet port is provided in a side wall of the housing assembly, and a collector member having an internal bore extensive therethrough is connected the housing assembly such that communication is established between a blower cavity of the housing assembly, the outlet port and the collector member. The dust and particulate matter passing upwardly through blower cavity of the housing are discharged therefrom via the outlet port and the internal bore of the collector member into a collector bag assembly. The apparatus can further comprise a vortex blade assembly supported by the sanding disc assembly to assist in the passage of dust and particulate matter upwardly through the blower cavity.
McCarthy Bill D.
Parker Roscoe V.
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