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United States of America Patent

PATENT NO 9404576
APP PUB NO 20130340547A1
SERIAL NO

13693949

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A linear drive portion is fixed to a piston. A nut portion and a screw portion relatively rotate, and a direction of action of driving force is converted between a rotational direction and a linear direction. The piston is installed within a case. The inner circumference of a piston sliding portion fixed within the case slidably supports the outer circumference of the piston. The nut portion is displaced with the piston, and the screw portion rotates in conjunction with a rotational drive portion. The piston is installed so as to be able to slide in the axial direction of the case with respect to the piston sliding portion. The axis of the piston and the central position of the inner circumference of the piston sliding portion are set to be eccentric with respect to the axis of the screw portion and the nut portion.

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Patent Owner(s)

Patent OwnerAddress
NABTESCO CORPORATIONTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yasui, Tsutomu Gifu, JP 35 144

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