Rock saw

Abrading – Precision device or process - or with condition responsive... – Computer controlled

Reexamination Certificate

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Details

C125S013010

Reexamination Certificate

active

07056188

ABSTRACT:
The present invention discloses an automated rock saw having a saw motor load sensor to control the speed of the conveyors bringing the rock to the saw blade. As the saw motor works harder to cut a given rock, the controller automatically slows the conveyor belts, reducing the load on the saw blade. If the saw blade is easily cutting a given rock and not working at optimum speed, the conveyors will be sped up, increasing production. Also provided in an alternate embodiment is a horizontal blade that can be moved into place to cut the “bottom” of a corner piece, then the standard, vertical blade cuts the other side of the corner.

REFERENCES:
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patent: 6152804 (2000-11-01), Okuyama
patent: 6547337 (2003-04-01), Welch, Jr.
patent: 6550544 (2003-04-01), Saf
patent: 4021302 (1990-07-01), None
patent: 40 21 302 (1992-01-01), None
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Park Industries Diamond Saw Line Catalog. (of Models) P.O. Box 188, St. Cloud, MN 56302. Python (30103), Eagle (30096), Jaguar (30100), Predator (30097).
Sawing Systems, Inc. Catalog (SS1-106) of Models P.O. Box 3754 Knoxville, TN 37927 Model 551 Series Saws, Model 541 Series Saws, Model 531 Series Saws, Model 521 Series Saws, Model 511 Series Saws, and other assorted models.

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