Damper device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11732517
SERIAL NO

17309866

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a damper device capable of increasing torque of a coil spring without increasing an outer diameter of a case. The damper device includes the case (2), a shaft (3) that is relatively rotatable with respect to the case (2), fluid filled in a damper chamber (5) formed between the case (2) and the shaft (3), a bearing member (4) that forms a partition wall (5a) that closes one end of the damper chamber (5) in an axial direction and is separate from the shaft (3), and a coil spring (9) having one end connected to a side of the case (2) and the other end connected to the shaft (3) or the bearing member (4) to apply torque to the shaft (3) with respect to the case (2). The bearing member (4) is arranged between a winding portion (9a) of the coil spring (9) and the damper chamber.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SUGATSUNE KOGYO CO LTD1-8-11 HIGASHIKANDA CHIYODA-KU TOKYO 1018633

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyoshi, Yota Tokyo, JP 1 2
Yoshida, Masahiro Tokyo, JP 528 5298

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