Closed end type coiled spring with reduced initial deflection

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7213802
APP PUB NO 20050218572A1
SERIAL NO

10502402

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Abstract

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In a coil spring of closed-end type, the coil spring is characterized in that a coupler is fixedly mounted between: an outer peripheral surface of a terminal convolution of a coil element rod; and, an outer peripheral surface of a subsequent convolution subsequent to the terminal convolution of the coil spring of closed-end type, whereby an amount of initial deflection is decreased.

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Patent Owner(s)

Patent OwnerAddress
NETUREN CO LTDTOKYO 141-8639
TOKYO HATSUJYO MANUFACTURING CO LTD27-3 KAMATA 4-CHOME OHOTA-KU TOKYO 144-0052

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arai, Yoshiaki Shizuoka, JP 21 294
Saito, Yasuhiro Kanagawa, JP 135 1133
Soga, Eiichi Kanagawa, JP 1 7
Yokota, Keisuke Kanagawa, JP 21 60

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