| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ladder bearing configured to secure smooth rolling of a roller and to increase the withstand load. <P>SOLUTION: A pair of ladder-shaped members 4a and 4b formed by connecting both side frame parts 6 extending in parallel in the axial direction of arranged rollers 3 on both end sides by a plurality of column parts 7 parallel to the rollers 3 and recessing the column parts 7 so as to be retracted from the rear surface of the frame parts 6 are superimposed and connected on the rear surface side of the frame parts 6 wherein the column parts 7 are recessed to form a ladder-shaped retainer 4. An inner dimension between two diagonally opposed column parts 7 of the connected pair of ladder-shaped members 4a and 4b is made larger than the diameter of the roller 3 and inner dimension between adjacent column parts 7 of the ladder-shaped members 4a and 4b is made smaller than the diameter of the roller 3, so that the roller 3 is held in a pocket 5 between two diagonally opposed column parts 7. <P>COPYRIGHT: (C)2012,JPO&INPIT |
