Shaper cutterhead assembly with absolutely captive bits
OwnerJames M. Denkerinventor
Life of this patent
Estimating the term…
Abstract
Disclosed is a shaper cutterhead utilizing an assembly that locates, captivates and firmly clamps two standard cutter bits that each include a hole designed to be engaged by solid lugs of a hub. Tee-slotted clamping collars that surround the hub slide laterally into place by engaging grooves in both bits and lock the bits rigidly when the machine spindle is tightened.
Claims7
A cutterhead assembly for performing woodworking operations, said assembly including at least one cutter bit having a longitudinal groove in one face thereof and an opening through the cutter bit located within the groove, said assembly comprising:
- a hub having a central opening therethrough and a lug extending from each of two opposite ends of said hub, said lug having dimensions that enable said lug to fit within the opening in the groove of the bit;
- an upper collar and a lower collar each having a central opening alignable with said central opening of said hub when said collars are placed around said hub, each of said collars having two lips with each lip being engageable with one side wall of the groove of the bit.
A cutterhead assembly for performing woodworking operations, said assembly including at least one cutter bit having a longitudinal groove in one face thereof, said assembly comprising:
- a hub having a central opening therethrough and means for attaching itself to the bit;
- an upper collar and a lower collar each having a central opening alignable with said central opening of said hub when said collars are placed around said hub, each of said collars having two lips with each lip engageable with one side wall of the groove of the bit.
Dependencies are inferred from the claim text.