Telescopic rack-and-pinion lifting device

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United States of America Patent

PATENT NO 8840087
APP PUB NO 20120181490A1
SERIAL NO

13356866

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Abstract

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A lifting device with a telescopic pole that has a lower module and an upper module which is mounted in vertical sliding relation with respect to the lower module and which is movable along the pole by a crank handle through a rack-and-pinion drive mechanism. A non-return locking device is automatically implemented by friction coupling mechanism with a drive pinion of the drive mechanism driven by rotating the crank handle for more than one complete turn.

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Patent Owner(s)

Patent OwnerAddress
TALBOT DECOUPAGE EMBOUTISSAGEROUTE DE BURAY ZONE INDUSTRIELLE MER 41500

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guyard, Francois-Xavier Chambon sur Cisse, FR 4 56

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