A timepiece display mechanism with a resilient hand including a first and second device for driving, about an output axis, a first and a second pipe mounted at the ends of a flexible strip, and including a display index distant from the pipes, these drive devices being arranged to deform the flexible strip, by varying the angular position of one pipe with respect to the other about the output axis, and to vary the radial position of the display index with respect to this axis, this mechanism includes a first differential on the drive train of the first pipe, one input of which is formed by a first cam, and a second differential on the drive train of the second pipe, one input of which is formed by a second cam.

According to a movement of the present disclosure, the prevention of the transmission of torque to a governor when excessive torque is generated and the prevention of the wasteful consumption of energy when the excessive torque is not generated are achieved. The movement includes a main spring which generates torque, a balance wheel, a gear train mechanism for transmitting the torque generated by the main spring to the balance wheel, and a spring seat for moving a second wheel, for example, of the gear train mechanism in a direction to reduce the transmission efficiency of the torque between the wheels of the gear train mechanism when the torque generated by the main spring is higher than a predetermined torque (Tmax).

Timepiece regulating mechanism including an energy storage means delivering an output torque (CS), via a train (3), to a wheel set (4) forming a magnetic escapement mechanism (10) with a resonator wheel set (5) subjected to the torque from a return means (6) and cooperating therewith, either directly or via a magnetic stop member (7), this magnetic escapement mechanism (10) being arranged to operate when the wheel set (4) receives a torque higher than or equal to a maintenance torque (CE), and the train (3) includes a torque regulating means (30) arranged to deliver to the wheel set (4) a constant torque comprised between 1.0 and 2.0 times the maintenance torque (CE), the torque regulating means (30) including a fusee (8) of continuously variable cross-section, from which unwinds a chain (9), wound by a drum (21), directly or indirectly driven by the energy storage means (2).

A horological display mechanism with an elastic hand (1) for driving, about a shaft (D), pipes mounted at the ends of a flexible blade (3), arranged to deform the flexible blade (3), including a mechanism acting on the drive train of the first pipe (2) and of the second pipe (4) and which includes two planetary wheels (82; 84) for driving the pipes (2; 4), and an input planet-carrier chassis (180) for driving the hand (1), and rotatable with a regulation cam (801), the track (802) of which includes a rising edge and falling edge. An elastic arm (803) has a distal end which cooperates with the track and a rising edge of which raises the elastic arm (803) away from the axis of the cam to consume torque, and a falling edge which makes the elastic arm move back towards the axis to restore torque to the system.

A horological mechanism (110), notably a horological movement or chronograph module, including a couching chain (100) having an epicycloidal train (31, 32, 33, 34) including a first sun wheel (33) fixed to the frame.

A horological display mechanism with an elastic hand (1) for driving, about a shaft (D), pipes mounted at the ends of a flexible blade (3), arranged to deform the flexible blade (3), including a mechanism acting on the drive train of the first pipe (2) and of the second pipe (4) and which includes two planetary wheels (82; 84) for driving the pipes (2; 4), and an input planet-carrier chassis (180) for driving the hand (1), and rotatable with a regulation cam (801), the track (802) of which includes a rising edge and falling edge. An elastic arm (803) has a distal end which cooperates with the track and a rising edge of which raises the elastic arm (803) away from the axis of the cam to consume torque, and a falling edge which makes the elastic arm move back towards the axis to restore torque to the system.

A horological display mechanism (10) with elastic hand (1), including means for driving barrels (2; 4) coaxial at the ends of a flexible blade (3), including a differential mechanism with an input frame (180) including an input toothing (182), free to rotate and carrying an intermediate wheel (103) and a satellite (101) meshing with each other, this satellite (101) including an eccentric finger (1010) traveling the track (105) of a fixed cam (104), and returned against it by the elasticity of the elastic hand (1), the input frame (180) including a shaft (185) carrying, coaxially, a first cannon-pinion (1020) including the first barrel (2) and a second cannon-pinion (1040) including the second barrel (4), the toothing (1049) of one of which meshes with the toothing (1039) of the intermediate wheel (103), and the toothing (1029) of the other one of which meshes with the toothing (1019) of the satellite (101).

A variable timepiece display mechanism includes a resilient hand with a drive pipe integral with a single-piece flexible strip including flexible segments joined at tips, a first segment thereof extends between the first pipe and a first tip. The mechanism also includes a driver for driving the pivoting of the pipe, and a stressor for stressing the first flexible segment in order to vary the position of the first tip relative to the output axis, as a function of the forces applied to the flexible strip. The drier and/or the stressor includes a first shaped gear train and/or a second shaped gear train in order to accelerate, stabilize the speed of, or slow at least the pipe over a part of the angular travel thereof.

A timepiece resilient hand with drive pipes at the ends thereof, including a display index which is at a variable distance from the pipes, and including flexible segments between each pipe and the index each with a web having a substantially constant section, at least one flexible segment thereof includes discontinuous elements projecting from the web thereof in a plane perpendicular to the axis of the pipes and defining, along this web, an alternation of sections, the stiffnesses thereof per unit of length are different from one another, and/or at least one web includes a succession of areas of opposite concavities, projecting on a plane perpendicular to the axis of the pipes.

A horological display mechanism (10) with elastic hand (1), including means for driving barrels (2; 4) coaxial at the ends of a flexible blade (3), including a differential mechanism with an input frame (180) including an input toothing (182), free to rotate and carrying an intermediate wheel (103) and a satellite (101) meshing with each other, this satellite (101) including an eccentric finger (1010) traveling the track (105) of a fixed cam (104), and returned against it by the elasticity of the elastic hand (1), the input frame (180) including a shaft (185) carrying, coaxially, a first cannon-pinion (1020) including the first barrel (2) and a second cannon-pinion (1040) including the second barrel (4), the toothing (1049) of one of which meshes with the toothing (1039) of the intermediate wheel (103), and the toothing (1029) of the other one of which meshes with the toothing (1019) of the satellite (101).