Patent ID: 9248518
Filing Date: 2016-02-02
CPC Classification: B23B,B23D,B27B,Y10T

Claim Text:
1. A recip blade, comprising: a recip blade body having a tang at only one end thereof for chucking only said one end of the recip blade, said tang configured to engage with a chuck of a reciprocating saw configured to reciprocate the recip blade in a reciprocating stroke or motion having a length of no more than about 1½ inches; and a cutting edge extending along the recip blade body, wherein the cutting edge includes a repeating pattern of teeth including two consecutive teeth defining a pitch of 10 teeth-per-inch or less, the two consecutive teeth include a high tooth and a relatively low tooth in comparison to the high tooth, each of the high teeth includes a tip, a rake face located on one side of the tip, a primary clearance surface extending from the tip on an opposite side of the tip relative to the rake face and defining a relatively shallow primary clearance angle at the tip within a range of 25° to 27°, and a secondary clearance surface extending from the primary clearance surface on an opposite side of the primary clearance surface relative to the tip and defining a relatively steep secondary clearance angle in comparison to the primary clearance surface, each of the low teeth includes a tip, a rake face located on one side of the tip, a primary clearance surface extending from the tip on an opposite side of the tip relative to the rake face and defining a relatively shallow primary clearance angle within a range of 19° to 23°, and a secondary clearance surface extending from the primary clearance surface on an opposite side of the primary clearance surface relative to the tip and defining a relatively steep secondary clearance angle in comparison to the primary clearance surface.