Patent · US Expired

Moldable plastic bearing ball retainer

US4938613A · kind A · utility

11Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1989
Grant dateJul 3, 1990
Priority date
Expiry dateJul 24, 2009

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2220/04
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A plastic ball retainer with a by-pass moldable design includes ball pocket bases joined with connector bars that occupy less radial space than the radial thickness of the pocket bases, with V shaped bridge members spanning the gaps between the pockets that occupy only radial space not occupied by the connector bars.

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