Internal-combustion engines – Poppet valve operating mechanism – Rocker
Reexamination Certificate
2003-10-17
2009-02-17
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Rocker
C123S090150, C123S090160, C123S090390, C074S053000, C074S567000
Reexamination Certificate
active
07490583
ABSTRACT:
A full-type rolling bearing that can be used under the conditions of high-speed, heavy-load and lowered viscosity of lubricating oil is provided. The full-type rolling bearing is formed of an outer ring, an inner ring and rollers made of steel, at least one of the outer ring, inner ring and rollers has a carbonitrided layer in its surface layer, and the austenite crystal grain size number of the surface layer is larger than 10.
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European Search Repo
Fujii Yukio
Ichikawa Kenichi
Maeda Kikuo
Suzuki Tadatoshi
Denion Thomas
Eshete Zelalem
McDermott Will & Emery LLP
NTN Corporation
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