Rocker arm

Details Rocker arm Rocker arm

2006-06-20

2006-06-20

Denion, Thomas (Department: 3748)

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

C123S090390, C123S090440, C074S569000

Reexamination Certificate

active

07062852

ABSTRACT:
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.

REFERENCES:
patent: 3858427 (1975-01-01), Euteneuer et al.
patent: 5048475 (1991-09-01), Mills
patent: 5720245 (1998-02-01), Calka
patent: 5819694 (1998-10-01), Trutescu et al.
patent: 6425361 (2002-07-01), Motohashi
patent: 6615635 (2003-09-01), Ammon
patent: 03-172506 (1991-07-01), None
patent: 07-150909 (1995-06-01), None
patent: 8-4507 (1996-01-01), None
patent: 2724415 (1997-12-01), None
patent: 2000-210734 (2000-08-01), None
patent: 2001-121237 (2001-05-01), None

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