Patent ID: 9476259
Filing Date: 2016-10-25
CPC Classification: E21B

Claim Text:
1. An earth boring rotary drill bit comprising: a body; at least one fixed blade associated with the body and configured to retain a cutting element; one or more legs configured to rotatably retain a rolling cutter each rolling cutter having at least one cutting element, the leg having a mounting portion of a predetermined size; the body having a slot comprising first and second sidewalls, an end wall extending between the side walls and a bottom wall, the slot configured for receiving the mounting portion of the leg and having a size larger than the mounting portion of the leg, the leg mounting portion comprising a leg side wall configured to mate with the first slot side wall; an axial load reaction member disposed between the leg mounting portion and the bottom wall of the slot; a wedge having an obtusely angled side wall configured to reside between an acutely angled sidewall of the leg and the second sidewall of the slot thereby fixing the leg within the slot; and a plurality of threaded fasteners joining the leg and the wedge to the body.