Rocker arm

A rocker arm comprises an arm body, a shaft and a roller. The arm body formed substantially in a U-shape in section by effecting drawing on a metal plate, includes a connection wall connecting a pair of side walls, an aperture formed through the connection wall, and through-holes at positions where...

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Bibliographic Details
Main Author SHIMIZUYA MASAYOSHI
Format Patent
LanguageEnglish
Published 20.06.2006
Subjects
BLASTING
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
STEAM ENGINES
TRANSPORTING
WEAPONS
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Summary:A rocker arm comprises an arm body, a shaft and a roller. The arm body formed substantially in a U-shape in section by effecting drawing on a metal plate, includes a connection wall connecting a pair of side walls, an aperture formed through the connection wall, and through-holes at positions where the pair of side walls are aligned with each other. A peripheral edge of the aperture is so formed as to be finished by inserting a first finishing die into the aperture from between the pair of side walls. The shaft is fitted in the pair of through-holes and extended between the pair of side walls. The roller is rotatably supported on the shaft.
Bibliography:Application Number: US20040494448