Patent · US Expired

Direct acting tappet

US5226389A · kind A · utility

6Cited by
16References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 4, 1992
Grant dateJul 13, 1993
Priority date
Expiry dateNov 4, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/2107
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A non-hydraulic direct acting tappet in the form of a cup-shaped body and a replaceable, cylindrical insert retained within a support formed inside the body. In a preferred embodiment, the support is in the form of a cylindrical boss formed on the inner end wall of the body and the insert is retained by press fitting. In other embodiments, the insert is retained by an O-ring on the insert, the boss and insert are of a non-circular shape, or the boss is on an axis offset from the longitudinal axis of the body.

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