Patent ID: 7059614

Claim:
A sport board boot binding for receiving a single booted foot, said sport board boot binding comprising: a centrally positioned bearing clamp, said centrally positioned bearing clamp comprising: a lower plate comprising a lower plate radially outer portion, and a lower plate radially extending flange; an upper plate comprising an upper plate radially outer portion, an upper plate radially extending flange and a downwardly extending central portion, said downwardly extending central portion having a lower surface, said lower surface of the downwardly extending central portion comprising the only contact between the upper plate and the lower plate; and a ball bearing assembly comprising an inner race and an outer race, said outer race comprising an upper portion and a lower portion, wherein said inner race of the ball bearing assembly is clamped between the upper plate radially extending flange on the top of the inner race and the lower plate radially extending flange on the bottom of the inner race.