Patent · US Active

Ball bearing cage

US8157449B2 · kind B2 · utility

8Cited by
1References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 2007
Grant dateApr 17, 2012
Priority date
Expiry dateAug 30, 2028

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C19/06
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Cage 4 for a ball bearing, comprising an annular heel 7 and a substantially axial portion 8 provided with claws 11 defining pockets 9 for balls and connected to the heel 7, the substantially axial portion 8 extending axially over a part of the pockets 9. The substantially axial portion 8 has an outside diameter smaller than the outside diameter of the heel 7, the outside diameter of the substantially axial portion being somewhere between the pitch circle diameter of the cage reduced by half the radial thickness of the heel and the pitch circle diameter of the cage increased by half the radial thickness of the heel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.