Lift transmitting component and method of manufacturing such...

Details Lift transmitting component and method of manufacturing such... Lift transmitting component and method of manufacturing such...

2007-10-24

2011-11-22

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Tappet

C123S090520, C074S569000, C348S548000

Reexamination Certificate

active

08061320

ABSTRACT:
A lift transmitting component (1), particularly for a gas exchange valve train or a fuel pump drive of an internal combustion engine, and a method of manufacturing such a lift transmitting component comprising a housing (2) and a bearing pin (6) fixed in a reception bore (5) of the housing (2) as also a roller (4) rotatable about the bearing pin (6) and optionally mounted on a rolling bearing, said bearing pin (6) being connected to the housing (2) by positive engagement through radially widened front ends (8), the bearing pin (6) is core-hardened over its entire length with a core hardness of at least 58 HRC and its front ends (8) are widened by radial spot riveting.

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