THRUST SLIDING BEARING
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United States of America Patent
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Issued Date -
Dec 4, 2014
app pub date -
Jan 10, 2013
filing date -
Jan 17, 2012
priority date (Note) -
Abandoned
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Abstract
A thrust sliding bearing 1 includes a synthetic resin-made upper casing 100, a synthetic resin-made lower casing 200, and a synthetic resin-made thrust sliding bearing piece 300 interposed between the upper casing 100 and the lower casing 200, and the thrust sliding bearing piece 300 has an inner annular recessed groove 306 and an outer annular recessed groove 307 which are formed on an upper surface 304 along a circumferential direction and concentrically with each other on an inner side and an outer side in a radial direction X and a lubricating oil such as grease filled without any gap in each of the inner annular recessed groove 306 and the outer annular recessed groove 307.
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