Timepiece movement with power reserve for extended operation

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United States of America Patent

PATENT NO 8956042
APP PUB NO 20140056113A1
SERIAL NO

13973067

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A mechanical timepiece movement, including a spiral spring, a barrel, the spiral spring accommodated in the barrel as an energy storage, the barrel transmitting energy of the spiral spring by a gear train to an oscillator, the oscillator including a balance as a regulating device, and a mechanism configured to reduce a torque generated by the barrel to reduce loss of energy stored in the spiral spring.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
AUDEMARS PIGUET (RENAUD ET PAPI) SA2400 LE LOCLE

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cornibé, Sylvain Les Combes, FR 3 3
Valladon, Eddy Paris, FR 1 1

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