Drive shaft with improved shaft lubrication

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12117044
APP PUB NO 20220364591A1
SERIAL NO

17429859

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drive shaft (1) includes a telescopic shaft (3) having an outer tubular shaft (9) and an inner tubular shaft (11) inserted slidable into the outer shaft (9). A lubrication system is further provided, including: a lubricant receiving chamber (39) housed in the inner shaft (11); a lubricant distribution block (41) housed in the inner shaft (11); lubricant supply ports (11.9) for supplying lubricant from the lubricant distribution block (41), through a tubular wall of the inner shaft (11), towards a gap between the inner shaft (11) and the outer shaft (9); at least a lubricant transferring duct (47.1; 47.2) from the receiving chamber (39) to the distribution block (41). wherein the supplying ports (11.9) are distributed in at least two positions offset in direction of the axis (A-A) of the telescopic shaft (3).

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bondioli, Edi - 26 94

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