Band saw with safety system
First Claim
Patent Images
1. 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 cut the blade upon detection of the dangerous condition.
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Accused Products
Abstract
A band saw including 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 engage and stop the blade within 10 milliseconds after detection of the dangerous condition is disclosed. The reaction system may be configured to cut and grip the blade.
111 Citations
20 Claims
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1. A band saw comprising:
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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 cut the blade upon detection of the dangerous condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17)
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10. The band saw of claim 10, where the surface is curved.
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18. A band saw comprising:
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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
reaction means for cutting the blade upon detection of the dangerous condition.
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19. A band saw comprising:
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a frame;
at least two, spaced apart, rotatable wheels supported by the frame;
a blade looped and tensioned 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 release tension of the blade around the wheels upon detection of the dangerous condition. - View Dependent Claims (20)
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Specification