Patent · US Expired

Reservoir-formed shoulder stop for makeup fluid valve actuation in pull-type master cylinder

US4893473A · kind A · utility

5Cited by
9References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 1988
Grant dateJan 16, 1990
Priority date
Expiry dateJan 21, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49927
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A fabricated master cylinder having a reservoir part and in interlocked cylinder part defining a cylinder bore and which a slidable piston is supported. The reservoir part that extends into the cylinder bore defines a shoulder that cooperates with a recuperation valve for forming an actuating stop for holding the makeup fluid recuperation valve in an opened position when the piston is at its at rest position.

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