Flexible wire

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United States of America Patent

PATENT NO 8556734
APP PUB NO 20120240694A1
SERIAL NO

13514197

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Importance

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Abstract

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A flexible wire assembly of a compact structure that can transmit the torque for a high speed rotation even in a bent condition is provided. The flexible wire assembly includes a flexible outer tube, in which a flexible inner wire having its opposite ends defining rotation input and output ends, respectively, is rotatably supported by means of a plurality of rolling bearings. Spring elements are employed for applying preloads to those rolling bearings. The use is also made of a speed reducing mechanism for reducing in speed and outputting rotation of the inner wire. The spring elements include inner ring spring elements and outer ring spring elements that are alternately arranged over the length of the inner wire.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NTN CORPORATION3-17 KYOMACHIBORI 1-CHOME NISHI-KU OSAKA-SHI OSAKA 550-0003

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Isobe, Hiroshi Iwata, JP 109 809
Ozaki, Takayoshi Iwata, JP 97 2554

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