发明公开

LUBRICATION SYSTEM
摘要:
A lubrication system includes a coupling; a bushing in the coupling; a lubricant inlet to the coupling; a flat surface against a front surface of the bushing; and a path for lubricant to flow from the lubricant inlet to a groove on the front surface of the bushing and out between the flat surface and the front surface to lubricate an interface between the flat surface and the front surface.
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