Safety apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5458214
SERIAL NO

08172093

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A shock absorbing device for a generally horizonal lifeline wherein one end of the lifeline is mounted at fixed location, the other end of the lifeline is connected to one end of the shock absorbing device, one end of a turnbuckle is connected to the other end of the shock absorbing device and the other end of the turnbuckle is mounted at a fixed location. The shock absorbing device has a frangible bolt that breaks when a predetermined amount of force is applied thereto, which force is then absorbed by shock absorbing device. Also, shock absorbing devices are used to connect electric power cables to spaced apart supports.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MINE SAFETY APPLIANCES COMPANYLEGAL DEPARTMENT 121 GAMMA DRIVE PITTSBURGH PA 15238

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choate, Gary E Lakewood, CO 40 584
Olson, Wayne L Central Point, OR 22 450

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