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AssigneeETA SA Manufacture Horlogere Suisse
InventorsChristian Ruefenacht, Raphael Courvoisier, Antonio Merino, Giuseppe Cappadona
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A lever for transmitting motion from an input wheel set pivoting about a first axis on a pivoting plate of the lever, to a receiver wheel set, the input wheel set permanently transmitting its motion to an output wheel set carried by the plate and pivoting under the action of the input wheel set about a second axis whose angular position is variable relative to the first axis, and the lever includes a first friction connection between a first friction surface of the input wheel set and a second friction surface of the plate, this first friction connection is weaker or stronger than a second friction connection between a third friction surface of the output wheel set and a fourth friction surface of the plate included in the lever.
A timepiece lever including a pivoting plate carrying an input wheel set mounted to pivot about a first pivot axis, and at least one output wheel set pivoting about a second pivot axis remote from said first pivot axis, said input wheel set fully transmitting its motion, directly or indirectly, to said output wheel set which the input wheel set moves in a pivoting motion about said second pivot axis, said lever including at least a first friction connection between a first friction surface of said input wheel set and a second friction surface of said pivoting plate, and a second friction connection between a third friction surface of said output wheel set and a fourth friction surface of said pivoting plate, wherein one of said first friction connection and said second friction connection is weaker than the other.
Dependencies are inferred from the claim text.