Anti-Rotational Piston Pin Retention Button
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 2, 2020
app pub date -
Sep 13, 2019
filing date -
Sep 13, 2019
priority date (Note) -
Published
status (Latency Note)
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Abstract
An improved piston pin retention button device having a body portion comprised of both a generally cylindrical portion and a surface, such as a planar surface, for mating engagement with a corresponding surface formed in a piston device. The inclusion of both the surface on the body portion and the corresponding surface in said piston device prevent rotation of the button device in the piston device. Other embodiments of a piston pin retention button device are also disclosed and prevent the unwanted rotation of the button device in the piston device, and permit the oil ring to function as designed.
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