A horological mobile component, including around an axis, a first element including a first shoulder and a second element including a second shoulder which cooperates by friction with a third shoulder that is included by a third element interposed between the first element and the second element, this third element includes a fourth shoulder cooperating by friction with the first shoulder or being driven onto this first shoulder, and the diameter of the third shoulder is at least double the diameter of the fourth shoulder, and the second element includes a main hollow defining at least two bearing surfaces each including one or two bearing sectors belonging to the second shoulder.

Transmission device (100), for example for a watch mechanism (110), in particular for a winding train (100, 201) of a watch movement (120), including an input element (6) intended to be driven only in a first direction, an output element, a first mechanical connection arranged such that the displacement of the input element in a first direction causes the displacement of the output element in a second direction, and a second mechanical connection (9′, 9) arranged such that the displacement of the input element in the first direction causes the displacement of the output element in a third direction, the third direction being opposite the second direction.

A spring (1) for a notching system, the spring including at least two elastic arms (11, 12), and a first toothset javomg first notching teeth (11a, 12a) disposed on each of the arms, the spring being designed such that, in a position in which one of the arms of the spring is not loaded, the arm is convex as seen from the top of the first notching tooth of this arm.

A horological torque limiting mechanism, including a first wheel with a first elastic arm projecting from a first felloe, a second wheel including a second surface to engage in frictional pressure with the first wheel for the relative actuation thereof, a travel limiter fastened to a structure to hold the first and second wheels in frictional pressure in certain angular positions, the second wheel and/or the travel limiter and/or the structure including a relief forming a ramp, to, in certain angular positions relative to the first wheel, engage in frictional pressure with the first elastic arm, and, in further positions, allow a frictionless travel between the first wheel and the component bearing the relief, the second wheel includes a second arm forming a ramp projecting from a second felloe.

A timepiece indexing element (10), coaxially cooperating with a component (20) including an indexing relief (30), including indexing parts (13) cooperating with this indexing relief (30) for their relative indexing in a plurality of indexing positions, and carried by first elastic arms (14) each including a first indexing surface (15), each first elastic arm (14) being arranged to exert a pushing force that is substantially radial relative to this component (20), and this indexing element (10) includes at least a first bearing surface (11) arranged, in the free state in a service position, to remain at a distance from a second complementary bearing surface (21) that a component (20) includes, and in the event of impact, to cooperate in abutment and/or guide bearing with the second complementary bearing surface (21), each first bearing surface (11) being carried by a second elastic bearing arm (40) cantilevered in the indexing element (10).

A timepiece indexing element cooperating coaxially with a component including an indexing relief element defining indexing positions, including a first bearing surface cooperating in abutment with the component, elastic return device exerting a radial thrust on this component to press it onto this first bearing surface, and indexing device cooperating with the indexing relief element, these elastic return devices include at least a first elastic arm including a first indexing surface comprised in this indexing device and arranged to exert a radial thrust force on the component and, at least a second elastic arm arranged to exert a radial thrust force on the first elastic arm.

A device (200; 200′) for selecting timepiece functions, including a setting lever device (150; 150′), and a frame (100; 100′), the setting level device (150, 150′) including a selling level (2; 2′) mounted movably on the frame (100; 100′) and a lever (3; 3′) mounted movably on the frame (100, 100′) or on the setting lever (2; 2′), the selection device (200; 200′) also including a first position indexing device (4; 4′) arranged so as to act on the setting lever (2; 2), and a second position indexing device (5; 5′) arranged so as to act on the lever (3; 3′).

A timepiece mechanism (800; 800′) for correcting a timepiece function, comprising a first lever (14) comprising a first cam desmodromic connecting element (14a), a correcting mobile (404), and a second lever (402), the second lever (402) including at least one first element (402d) for guiding the correcting mobile (404), at least one first friction element (402b) in contact with the correcting mobile (404), and a second cam desmodromic connecting clement (402a) provided to cooperate by contact with the first cam desmodromic connecting element (14a).

A device (200; 200′) for selecting timepiece functions, comprising: a frame (100; 100′), an interface element (1), in particular a control stem (1), and a setting lever device (150; 150′), the setting lever device (150; 150′) being arranged so as to define: n stable positions of the interface element (1), where n≥3, and m selection configurations of the selection device (200; 200′), where m≥n+1.

A horological mobile component, including around an axis, a first element including a first shoulder and a second element including a second shoulder which cooperates by friction with a third shoulder that is included by a third element interposed between the first element and the second element, this third element includes a fourth shoulder cooperating by friction with the first shoulder or being driven onto this first shoulder, and the diameter of the third shoulder is at least double the diameter of the fourth shoulder, and the second element includes a main hollow defining at least two bearing surfaces each including one or two bearing sectors belonging to the second shoulder.