Adjustable cage assembly for mobile surface abrading apparatus

Details Adjustable cage assembly for mobile surface abrading apparatus Adjustable cage assembly for mobile surface abrading apparatus

1996-10-21

1998-07-14

Rose, Robert A.

Harness for working animal

451 38, 451 94, 451 95, 451 96, 451 97, 451 98, B24C 700

Patent

active

057795240

ABSTRACT:
An adjustable cage assembly for selectively varying the path of abrasive in an abrasive blast swath produced by a mobile surface abrading apparatus. The adjustable cage assembly operates in cooperation with a rotable wheel having multiple, radially-extending blades positioned in a wheel housing. A cage having a cage window extends into the center of the wheel and an impeller having multiple impeller slots is positioned in the cage for rotation with the wheel, and receives a supply of abrasive particles such as steel shot, from the apparatus. As the impeller and wheel are rotated and the abrasive is continually fed into the impeller, the abrasive is discharged through the rotatably aligned impeller slots and the selectively-positioned cage window, and is propelled by the rotating wheel blades through the abrasive discharge opening to abrade, clean or etch the pavement. By remote-control operation of an actuator mounted on the wheel housing, the cage and cage window can be selectively rotated to change the direction of abrasive impact on the pavement surface. In another embodiment a series of triangular-shaped deflectors are provided on the lateral walls of the wheel housing discharge and some of the abrasive in the blast swath strikes the deflectors and is deflected at varying angles to the surface being textured, such that the edges of the resulting textured pattern have a feathered appearance. when an adjacent pass is overlapped in the feathered section, a blending of the passes gives the appearance of one continual pass.

REFERENCES:
patent: 2352588 (1944-06-01), Rosenberger et al.
patent: 5209024 (1993-05-01), Carpenter et al.

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