Patent · US Expired

Brake booster

US4423666A · kind A · utility

4Cited by
7References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 24, 1982
Grant dateJan 3, 1984
Priority date
Expiry dateAug 24, 2002

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/3268
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A brake booster for automotive vehicles in which a seal is employed for assuring hermetic connection between an output rod and a housing having a cup-shaped portion. The seal includes an annular sealing member through which the output rod is passed slidably and hermetically and a retainer for positively supporting the sealing member. The retainer is provided with a plurality of hooks to engage the cup-shaped portion so that the annular sealing member will be brought at a bead portion thereof to hermetic abutment against the housing.

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