Gear spindle and oil seal used therein

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United States of America Patent

PATENT NO 10016798
SERIAL NO

14424582

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Importance

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Abstract

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In a gear spindle, outer cylinder gear sections (11) are each integrally formed on an inner peripheral surface of a spindle outer cylinder and inner cylinder gear sections (14) are each integrally formed on an outer peripheral surface of a spindle inner cylinder (13). An oil seal (27) that seals in the lubricating oil (20) for each of the aforementioned gear sections includes, a seal body (29) having a channel-shaped cross section and interposed in the peripheral gap between the inner peripheral surface of the spindle outer cylinder and the outer peripheral surface of the spindle inner cylinder (13), and a seal mounting member (30) that includes a band, a spring, or the like that tightens and fixes the seal body to the outer peripheral surface of the spindle inner cylinder (13) to allow expansion of the seal body in the axial direction in the aforementioned peripheral gap.

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Patent Owner(s)

Patent OwnerAddress
PRIMETALS TECHNOLOGIES JAPAN LTDHIROSHIMA-SHI HIROSHIMA 733-8553

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamamoto, Kenji Hiroshima, JP 747 7580

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