Patent · US Expired

Method for making a retainer having enhanced roller retention

US5189791A · kind A · utility

4Cited by
13References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 3, 1991
Grant dateMar 2, 1993
Priority date
Expiry dateJun 3, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49995
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A retainer for use with a needle roller bearing having crossbars with an inverted trapezoidal shape such that the cross bars shape increases roller retention. A method for manufacturing the enhanced retention retainer is described which also eliminates the need for post piercing burr removal.

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