A dental handpiece (10) has a supporting rotor assembly (15) and ball bearings (13, 14) supporting the rotor. Each ball bearing (13, 14) has a plurality of balls (22). Each bearing (13, 14) has an inner race (20) and an outer race (21) and at least the outer race (21) has an increased outer diameter.
申请公布号
WO2007142930(A2)
申请公布日期
2007.12.13
申请号
WO2007US12669
申请日期
2007.05.29
申请人
DENTSPLY INTERNATIONAL INC.;NOVAK, EUGENE, J.;PAPANEK, TOM;AYZENSHETYN, MIKHAIL
