Threaded tappet adjuster
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United States of America Patent
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-
Oct 22, 1985
Issued Date -
N/A
app pub date -
Apr 4, 1984
filing date -
Jan 12, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automatic tappet adjuster for a valve operating mechanism has two components 12, 14 with co-operating buttress thread form screw threads 32. The axial free play in the threads 32 sets the valve clearance. Excess clearance 56 is taken up by movement of one component, 14 acted on by a spring 40, relative to the other component 12. The buttress thread form 32 exhibits higher friction against rotation in one direction than in the other.
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