Method of making a valve lifter for engine

Details Method of making a valve lifter for engine Method of making a valve lifter for engine

1993-07-16

1995-08-08

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

2988846, 29523, B23P 1500

Patent

active

054387540

ABSTRACT:
Tappet assemblies of a main body element are formed from a lightweight material and an engaging element adapted to engage the valve stem and formed from a harder, more wear resistant element. The engaging element and the main body element have cooperating cylindrical surfaces with a discontinuity in one of these surfaces into which the material of the other element is plastically deformed on assembly for locking the elements to each other.

REFERENCES:
patent: 2891525 (1959-06-01), Moore
patent: 4430970 (1984-02-01), Holtzberg et al.
patent: 4829950 (1989-05-01), Kanamuru et al.
patent: 4909198 (1990-03-01), Shiraya et al.
patent: 5003940 (1991-04-01), Hixson

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