Patent · US Expired

Camshaft

US5009123A · kind A · utility

8Cited by
13References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 4, 1989
Grant dateApr 23, 1991
Priority date
Expiry dateMay 4, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/7018
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A camshaft comprising a steel shaft and a plurality of cam pieces fitted on the shaft. The cam piece is made from a sintering alloy material and bonded to the shaft by sintering. The shaft has pin-receiving holes perpendicular to the axis of the shaft. The cam piece is formed on its side surface with a pin-receiving groove. A positioning pin has a lower portion tightly fitted in the hole of the shaft and an upper portion fitted in the groove to position the cam piece with respect to the shaft during sintering.

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