Randall Bruce Martolock

US Patent:

6701943, Mar 9, 2004

Filed:

Mar 7, 2001

Appl. No.:

09/801087

Inventors:

Randall B. Martolock - Tecumseh MI
Alan L. Schafer - Onstead MI

Assignee:

Midwest Waterblasting Corporation - Clinton MI

International Classification:

B08B 302

US Classification:

134 78, 134 82, 134199, 134181

Abstract:

A system for cleaning grates includes a first power wash portion for applying a pressurized wash fluid to a first side of a grate, and a second power wash portion for applying a further pressurized wash fluid to a second side of the grate. A receiving portion, which is detachable from the first power wash portion, receives the grate, and a transport arrangement transports the grate along a grate path through the first and second power wash portions. A grate delivery portion, which is detachable from the second power wash portion to enhance portability and facilitate maneuverability, delivers the grate after it has been transported through the second power wash portion. A grate drive arrangement engages mechanically with the grate and urges same along the grate path from the receiving portion to the first power wash portion. A method aspect of the invention includes the steps of transporting the grates along a grate path the begins with a receiving portion and a delivery portion; first subjecting a first side of each grate to a stream of pressurized cleaning fluid; and second subjecting a second side of each grate to a further stream of pressurized cleaning fluid.