| 摘要 |
PROBLEM TO BE SOLVED: To provide a spherical bearing embodied in a simple constitution owing to free of necessity for provision of a retainer for minor balls, capable of increasing the sustaining load by increasing the number of minor balls housed in a housing. SOLUTION: The spherical bearing is composed of a major ball equipped in the center with a through hole having opening both in the upper part and lower part, a housing having a spherical concave having a greater diameter than the major ball, furnished with opening surface through an expanded area both in the upper part and lower part, and housing the major ball, a group of minor balls arranged in the pressurized condition along the surface of the major ball inside the concave, and ring-shaped pressing tools provided at the periphery of each opening of the major ball and capable of pressing the minor balls with the rotation of the major ball. COPYRIGHT: (C)2007,JPO&INPIT
|
