Elevator door systems with minimum running clearance

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United States of America Patent

PATENT NO 11873193
SERIAL NO

18157384

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Elevator systems include an elevator car configured to travel along an elevator shaft, the elevator car having a car door and a car sill. One or more landings are arranged along the elevator shaft, the landings each having a landing door and a landing sill. An elevator coupling is provided that includes a car door coupling operably coupled to the car door and a landing door coupling operably coupled to the landing door. The car door coupling and the landing door coupling are selectively operable to drive operation of the car door and the landing door simultaneously and a sill gap between the car sill and the landing sill is less than 25 mm.

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First Claim

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Patent Owner(s)

  • OTIS ELEVATOR COMPANY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wei, Wei Unionville, US 496 2840

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