Integrated ball screw linear actuator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11441648
APP PUB NO 20210048319A1
SERIAL NO

17078656

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A linear actuation screw having a first end portion, a second end portion on an opposite side as the first end portion, and a sloping intermediate portion between the first end portion and second end portion. The first end portion has a threaded outer wall having a generally constant first diameter over at least a portion of its length and is configured to advance a nut or a sliding member along at least a portion of the first end portion. The second end portion has a threaded outer wall having a generally constant second diameter that is different from the first diameter and is configured to receive a motor fastening nut around it in order to secure the linear actuation screw to a motor. The sloping intermediate portion includes an outer wall that is generally smooth and continuous over at least a majority of the area of the outer wall.

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Patent Owner(s)

Patent OwnerAddress
NSK AMERICAS INC4200 GOSS ROAD ANN ARBOR MI 48105

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Feitl, John Greenwood, US 2 5
Kataoka, Takashi Nagasaki Prefecture, JP 81 1132
Morita, Koichi Kanagawa, JP 97 1835

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