Valve lifter

Details Valve lifter Valve lifter

1997-04-14

1998-09-22

Lo, Weilun

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29458, 228194, 228195, 123 9051, B21K 120

Patent

active

058096442

ABSTRACT:
An improved, light weight tappet and method of manufacturing such a tappet. The tappet is comprised of a light weight sleeve to which a hardened disk is metallurgically bonded.

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patent: 4872606 (1989-10-01), Satoh et al.
patent: 4907330 (1990-03-01), Akao et al.
patent: 5237967 (1993-08-01), Willermet et al.

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