Patent ID: 11905997
Assignee: BEARINGART
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 17:
18. The bearing cage of claim 17, wherein the reservoir is provided to protrude in the radially inward direction from an inner surface of the pillar, which is radially inward of the first ring or the second ring, and
wherein the storage space is formed to be surrounded by: a pair of first wall portions formed to extend in the radially inward direction from the inner surface and provided to be spaced apart with each other in the circumferential direction; a second wall portion configured to connect radially inner ends of the first wall portions; and a third wall portion formed to extend in the radially outward direction from an end of the second wall portion in a direction opposite to a first direction, which extends from the second ring toward the first ring, so as to block at least a portion of an opening formed between the first wall portions.