| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a turning device of a construction machine that increases a degree of freedom in layout in an upper turning body by eliminating a motor and a reducer projecting to the upper turning body side, reduces the number of components and the manufacturing cost by eliminating an inner tooth and a pinion required for driving, and easily performs adjustment during assembling by eliminating backlash due to meshing between the inner tooth and the pinion. <P>SOLUTION: The device includes a linear motor means 20 that relatively displaces an inner ring 12 and an outer ring 14 in the turning bearing 3, in the circumferential direction thereof. <P>COPYRIGHT: (C)2011,JPO&INPIT |
