Anchor and method of installing anchor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8888415
SERIAL NO

13757403

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An anchor comprises an anchor bolt having a shaft and a bolt head, a spreading sleeve having spreading parts provided at a tip portion of a tubular body capable of being fitted on a tip portion of the shaft and a cone nut provided at its inner side a screw through hole to threadedly engage with the shaft. The shaft of the anchor bolt is composed of a thick shaft part connected to the bolt head, and a thin shaft part provided to be closer to the tip portion of the shaft. The thick shaft part is provided with a rupture portion reduced in diameter. The rupture portion is provided at a position spaced by a predetermined length from the step between the thick shaft part and the thin shaft part and ruptures if torque of a predetermined value acts on the bolt head.

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Patent Owner(s)

  • N-PAT CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikuno, Makoto Osaka, JP 3 24

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