To provide a structure to hold a pressure in an internal space constant and suppress the entry of foreign matters into the internal space.SOLUTION: A valve device 7 includes a pair of elastic members 34a, 34b, the pair of elastic members 34a, 34b including a flat plate parts 36a, 36b having through-holes 35a, 35b passing through positions not matching with each other in the axial direction and mutually opposite axial side faces abutting on each other, and inclined plate parts 37a, 37b elongating in the direction of separating from each other as extending from the ends on the radial outsides of the flat plate parts 36a, 36b to the radial outsides, and internally fitted to the inner peripheral face of a hub 3, respectively.SELECTED DRAWING: Figure 1
ハブユニット軸受
2023-06-20
Patent
Electronic Resource
Japanese