Patent · US Expired

Pivot members for a cam follower of valve mechanism for internal combustion engine

US4617883A · kind A · utility

5Cited by
8References
4Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 27, 1985
Grant dateOct 21, 1986
Priority date
Expiry dateSep 27, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01L1/46
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The curved surface of the semi-spherical recess is defined such that a center of the curvature of the semi-spherical recess in a longitudinal section including a center line of the semi-spherical recess deviates from the center line, and a radius of curvature of the recess is greater than a radius of curvature of the spherical fitting portion.

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