Spring useful for elevator safety device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10927915
APP PUB NO 20190186573A1
SERIAL NO

15843781

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Importance

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Abstract

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An illustrative example spring includes a curved shape body having a length. The body includes a cavity that extends along at least a majority of the length. The body has a cross-section across the length that is different at a plurality of locations on the body along the length.

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Patent Owner(s)

Patent OwnerAddress
OTIS ELEVATOR COMPANYONE CARRIER PLACE FARMINGTON CT 06032

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barth, Robert A South Windsor, US 15 95
Chen, Shihemn Bolton, US 8 18
Klecka, Michael A Coventry, US 46 379
Luo, Xiaodong South Windsor, US 62 553
Manes, Enrico Feeding Hills, US 57 192
Marvin, Daryl J Farmington, US 73 601
Mishler, Luke A Manchester, US 3 8

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