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US 7,000,514 B2Granted
Safety systems for band saws
AssigneeSd3, LLC
InventorsStephen F. Gass, Randall J. Huebner
Life of this patent
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Abstract
Band saws with high-speed safety systems are disclosed. The band saws include a detection system adapted to detect a dangerous condition between a blade and a person. A reaction system performs a specified action such as stopping the blade upon detection of the dangerous condition.
Claims15
A band saw comprising:
- a frame;
- at least two, spaced apart, rotatable wheels supported by the frame;
- a blade looped around the wheels, where rotation of at least one wheel causes the blade to move around the wheels;
- a detection system adapted to detect a dangerous condition between a person and the blade;
- and
- a reaction system configured to sever the blade upon detection of the dangerous condition;
- where the reaction system includes a first pawl adapted to pivot into contact with the blade, a cutting edge on the first pawl, and a second pawl against which the cutting edge presses to sever the blade.
4 more elements
Dependencies are inferred from the claim text.