Chronograph mechanism with a column wheel and timepiece movement including the same

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United States of America Patent

PATENT NO 8882338
SERIAL NO

13693781

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The pusher device of the chronograph mechanism includes a pivoting control part (56) mounted on a first pivot (55) and carrying a click (52) and an intermediate lever (58) mounted on a second pivot (59). The intermediate lever is arranged to be actuated by the push button and includes a distal portion arranged to actuate the pivoting control part (56). The first pivot (55) and the second pivot (59) are arranged at the periphery of the movement on both sides of the push button (67, 69) and the pivoting control part and the intermediate lever extend from their respective pivot against each other. The click (52) is arranged to push in front of it one tooth of the toothing (42) of the column wheel (40) when the push button is actuated, then to return by sliding over the tip of a tooth.

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Patent Owner(s)

Patent OwnerAddress
ETA SA MANUFACTURE HORLOGERE SUISSESCHILD-RUST-STRASSE 17 GRENCHEN 2540

International Classification(s)

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  • 2012 Application Filing Year
  • G04F Class
  • 68 Applications Filed
  • 52 Patents Issued To-Date
  • 76.48 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720180255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mertenat, Olivier Solothurn, CH 14 32

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Patent Citation Ranking

  • 0 Citation Count
  • G04F Class
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  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4334331101 - 1011 - 2021 - 3041 - 5051 - 60100 +024681012141618202224262830323436

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