Planet-gear speed reducer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20110172053A1
SERIAL NO

12657057

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A planet-gear speed reducer includes a shell, a planet gear set, a sun gear set, two semi-bearings, and a bearing. The shell includes a toothed strip, a first smooth strip and a second smooth strip formed on an internal side. The planet gear set includes a carrier located within the shell and planet gears carried on the carrier. The sun gear set is engaged with the planet gears. The first semi-bearing includes an internal ring provided around a section of the carrier, rollers and a cage for positioning the rollers between the internal ring thereof and the first smooth strip of the shell. The second semi-bearing includes an internal ring provided around another section of the carrier, rollers and a cage for positioning the rollers between the internal ring thereof and the second smooth strip of the shell.

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Patent Owner(s)

Patent OwnerAddress
APEX DYNAMICS INCTAICHUNG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Robin CS Taichung City, TW 8 32

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