Patent · US Expired

Radial type liquid seal with bend preventing means

US4575104A · kind A · utility

10Cited by
10References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 4, 1984
Grant dateMar 11, 1986
Priority date
Expiry dateOct 4, 2004

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/322
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A sealing apparatus disposed between a housing and a shaft received in the housing. The sealing apparatus has, at least, a fitting portion which is fitted to either one of the housing and the shaft, and a seal lip of an elastic material which extends axially obliquely from the fitting portion and is provided at its distal end with a seal portion. The sealing apparatus is provided with a bend preventing portion which is formed at the distal end of the seal lip such as to extend axially outwardly of the seal portion.

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