Fall arresting device event generation and monitoring

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11541256
APP PUB NO 20200206550A1
SERIAL NO

16633708

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A fall arresting device including a device housing, a shaft within the housing, a rotor assembly rotatably connected to the shaft that includes a drum and a disc having at least one region of a ferromagnetic material, an extendable lifeline connected to the drum, a magnetic sensor positioned stationary relative to the device housing and adjacent to the disc, and a that includes a hard-magnetic material. The magnet positioned stationary relative the device housing and the magnetic sensor, where the magnetic sensor is configured to detect a change in a magnetic field produced by the magnet when the disc rotates about the shaft, the change in the magnetic field induced by the at least one region of the ferromagnetic material being brought within close proximity to the magnet as the disc rotates.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYSAINT PAUL MN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blackford, Matthew J Hastings, US 30 401
Hameed, Zohaib Woodbury, US 12 30
Jesme, Ronald D Plymouth, US 126 1314

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