Patent · US Expired

Sealing shield, particularly for rolling bearings

US5383728A · kind A · utility

16Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 1992
Grant dateJan 24, 1995
Priority date
Expiry dateNov 5, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S277/944
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A sealing shield, particularly for rolling bearings, of the type wherein relatively soft, elastic peripheral portions are secured to a relatively rigid intermediate portion; the intermediate portion consisting of a single rigid annular insert formed from a synthetic plastic polymer; and the relatively soft peripheral portions being preferably in the form of independent elements co-molded on to the annular insert and formed from a mixture of an elastomer and the same synthetic plastic polymer from which the annular insert is formed. In a preferred embodiment, the annular insert has a trapezoidal radial cross-section.

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