Internal-combustion engines – Poppet valve operating mechanism – Rocker
Patent
1987-06-24
1989-01-10
Dolinar, Andrew M.
Internal-combustion engines
Poppet valve operating mechanism
Rocker
123 9044, F01L 118
Patent
active
047965762
ABSTRACT:
An adjustment mechanism for a ceramic rocker arm. The ceramic rocker arm is formed with a smooth bored opening through the adjustment end of the rocker arm. An externally threaded adjusting shaft is passed through the opening and an internally threaded locking member such as a locking nut is disposed on the shaft and engaged on the external threads. An internally threaded member is disposed to engage the external threads of the shaft and also engage the adjustment end of the rocker arm.
REFERENCES:
patent: 1710291 (1929-04-01), Brush
patent: 4598675 (1986-07-01), Long
patent: 4658770 (1987-04-01), Okuyama et al.
Ishida Noboru
Kawamura Mitsuyoshi
Matsuura Tooru
Dolinar Andrew M.
NGK Spark Plug Co. Ltd.
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