Sintered metal connecting rod

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12066060
SERIAL NO

17439554

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Importance

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Abstract

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A sintered metal connecting rod (10) includes as an integrated body, a large end portion (11), a small end portion (12), and a stem portion (13). In the sintered metal connecting rod (10), division marks (14a, 14b) of a molding die by a compression molding are formed between the large end portion (11) and the stem portion (13) and between the small end portion (12) and the stem portion (13) on one of front and back surface (11c to 13c) in which the through-holes (11a, 12a) are formed, respectively. The large end portion (11) and the stem portion (13) have a density difference of 4% or less, and the small end portion (12) and the stem portion (13) have a density difference of 4% or less.

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Patent Owner(s)

Patent OwnerAddress
NTN CORPORATIONOSAKA-SHI OSAKA 550-0003

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamashita, Tomonori Aichi, JP 42 230

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