Cam follower provided with rocker arm made of sheet metal

Details Cam follower provided with rocker arm made of sheet metal Cam follower provided with rocker arm made of sheet metal

2005-12-27

2005-12-27

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090430, C123S090440, C029S888200

Reexamination Certificate

active

06978750

ABSTRACT:
The thickness in the width direction of a pair of side wall sections4is made as uniform as possible. In use, a load is applied to the pivot3from the side of the first and second connecting sections5, 6which connect the pair of side wall sections4. A crimped section13ais formed on the outer periphery at the opposite end surfaces of the pivot3b, on the half on the side of the connecting sections5, 6. Therefore, the outer peripheral surface of the opposite ends of the pivot3bcomes into contact with the inner peripheral surface of the through hole11on the load support side. Consequently, the load is sufficiently supported by the contact surface, and even after being used for a long time of period, lost motion is prevented from occurring on the support section at the opposite ends of the pivot3with respect to the pair of side wall section4.

REFERENCES:
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patent: 5010857 (1991-04-01), Hempelmann et al.
patent: 5048475 (1991-09-01), Mills
patent: 5665490 (1997-09-01), Takeuchi et al.
patent: 62-7908 (1987-01-01), None
patent: 3-172506 (1991-07-01), None
patent: 4-44289 (1992-10-01), None
patent: 5-272310 (1993-10-01), None
patent: 6-19763 (1994-05-01), None
patent: 6-74006 (1994-06-01), None
patent: 6-81892 (1994-10-01), None
patent: 3120068 (2000-10-01), None

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