Patent ID: 6863138

Claim:
A medium-bard to extremely hard formation-type earth boring bit comprising: a) a bit body having a longitudinal bit axis and a bit diameter; b) at least one wiling cone cutter rotatably mounted on the bit body and having an offset of its rotational axis from the bit axis of: i) at least {fraction (1/16)} inches when the bit diameter is less than 7 inches, ii) at least {fraction (3/32)} inches when the bit diameter is at least 7 inches and less than 12 inches, iii) at least {fraction (5/32)} inches when the bit diameter is at least 12 inches; and c) a journal angle being formed between the rotational axis and the bit axis of at least 36°; d) at least one super-abrasive cutter element located on an inner row of the cone cutter.