All purpose saw blade
First Claim
Patent Images
1. A saw blade comprising:
- a set of teeth, all of said teeth being of equal height,the set of teeth comprising at least three different sub-sets of teeth, said sub-sets of teeth comprisinga first sub-set of teeth characterized by at least one straight tooth, the straight tooth having a first relief angle,a second sub-set of teeth characterized by a plurality of primary cutting teeth having alternating leftward and rightward configurations, each of the primary cutting teeth of the second sub-set having a second relief angle,a third sub-set of teeth characterized by a plurality of secondary cutting teeth having alternating leftward and rightward configurations, each of the secondary cutting teeth of the third sub-set having a third relief angle,the third relief angle being greater than the first and second relief angles.
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Accused Products
Abstract
A new blade, and a method of cutting therewith, having repeating sets of teeth, each set having sub-sets which differ from each other in at least one cutting characteristic including straight teeth, primary cutting teeth which are left-sided and right-sided and secondary cutting teeth which are left-sided and right-sided, said secondary cutting teeth having a large relief angle.
55 Citations
12 Claims
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1. A saw blade comprising:
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a set of teeth, all of said teeth being of equal height, the set of teeth comprising at least three different sub-sets of teeth, said sub-sets of teeth comprising a first sub-set of teeth characterized by at least one straight tooth, the straight tooth having a first relief angle, a second sub-set of teeth characterized by a plurality of primary cutting teeth having alternating leftward and rightward configurations, each of the primary cutting teeth of the second sub-set having a second relief angle, a third sub-set of teeth characterized by a plurality of secondary cutting teeth having alternating leftward and rightward configurations, each of the secondary cutting teeth of the third sub-set having a third relief angle, the third relief angle being greater than the first and second relief angles. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A saw blade comprising:
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a set of teeth, all of said teeth being of the same height, the set of teeth characterized as including a straight tooth having a first relief angle, at least two primary cutting teeth characterized as having alternating leftward and rightward configurations, each of the primary cutting teeth having a second relief angle, at least two secondary cutting teeth having alternating leftward and rightward configurations, each of the secondary cutting teeth having a third relief angle, the first and second relief angles being substantially the same, the first and second relief angles being less than the third relief angle. - View Dependent Claims (8, 9)
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10. A saw blade comprising:
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a set of seven teeth, all of said teeth being of equal height, the set of teeth comprising at least three different sub-sets of teeth, said sub-sets of teeth comprising a first sub-set of teeth characterized by one straight tooth, the straight tooth having a first relief angle ranging from about 20 to about 25 degrees, a second sub-set of teeth characterized by two primary cutting teeth having alternating leftward and rightward configurations, each of the primary cutting teeth of the second sub-set having a second relief angle ranging from about 20 to about 25 degrees, a third sub-set of teeth characterized by four secondary cutting teeth having alternating leftward and rightward configurations, each of the secondary cutting teeth of the third sub-set having a third relief angle ranging from about 30 to about 35 degrees. - View Dependent Claims (11, 12)
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Specification