Stop pawl for horological movement
AssigneeETA SA Manufacture Horlogere Suisse
InventorJulien Christan
Life of this patent
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Abstract
A stop pawl for a horological movement, including a body provided on the periphery with a lug for latching with the toothing of a ratchet; a hub intended to cooperate freely in rotation with a fixed rod according to an angular displacement between an active position meshing the lug with the toothing of the ratchet and an inactive position, via intermediate positions; wherein the pawl includes at least one device for returning the pawl during its angular displacement, from the inactive position to the active position; and wherein the return device and the body are made in one piece. A horological movement and timepiece can include such a pawl.
Claims14
A stop pawl for a horological movement, comprising:
- a body provided with at least, on the periphery, a lug for latching with the toothing of a ratchet;
- and
- a hub intended to cooperate freely in rotation with a fixed rod according to an angular displacement between an active position meshing said lug with the toothing of said ratchet and an inactive position, via intermediate positions;
- wherein said stop pawl includes at least:
- one means for returning said stop pawl during its angular displacement, from the inactive position to the active position,
- wherein said return means and said body are made in one piece,
- wherein the return means includes at least one elastic blade with one end integral with said body and a free opposite end,
- wherein the body includes, protruding at the periphery of said body and located facing the opposite end, a hooking means in abutment with said opposite end, and
- wherein the lug is positioned on a periphery of the body and spaced apart from the elastic blade and the free opposite end.
Dependencies are inferred from the claim text.