A portable modular unit for inspecting in a timepiece the presence of a lubricating agent, or of an epilame, having fluorescent markers, from an excitation luminous flux of white light. The modular unit includes an optical housing, forming a first module, a portable white light source (200) emitting an excitation luminous flux, forming a second module, a portable magnifying device, forming a third module. The optical housing includes a first mounting interface for removably mounting the portable white light source on the optical housing, the first mounting interface being configured so that the excitation luminous flux emitted by the portable white light source is directed in the direction of the excitation filter; and a second mounting interface for removably mounting the portable magnifying device on the optical housing, the second mounting interface being configured so that the magnifying device is opposite the inspection opening.

Timepiece wheel set with a unidirectional wheel rotating in only one direction in cooperation with a ratchet wheel, which is movable inside a ratchet wheel chamber, comprising a click that rotates integrally with this wheel, which forms a one-piece component comprising at least one spring-arm, at the end of which, on a first side, a beak cooperates directly with the toothing of a ratchet wheel in an operating position in which this spring-arm is free, and on a second side, a first hook can cooperate with a second hook of complementary shape, comprised in this one-piece click, in a rest position in which this spring-arm is in an extended position, the elasticity thereof allowing this first hook to be hooked or unhooked with respect to this second hook by the action of an operator, by maximum elongation of this spring-arm and/or by the tilting of this end.

A device for measuring horological shakes, including a structure carrying an articulated mechanism with a compliant mechanism having a linear force/stroke characteristic connecting a first fixed element to a second element capable of moving linearly under the effect of an actuator manoeuvring same in a contactless manner in both directions, and a position sensor determining the position of the second element in a direction, and a load sensor determining the variation in the axial pushing or pulling load of the second element carrying a gripper clamping a mobile component, and/or the variation in the gradient of this load, generating a signal for triggering the position measurement during each sudden change in gradient of the load in each direction of running, to determine the shake of the mobile component, by comparing the positions measured during the sudden changes in gradient during the outward and return strokes.

A geometric inspection device for horological mobile components, including a headstock bearing a first spindle defining a first axis of rotation and a tailstock defining a second axis of rotation, on a common sole relative to which the headstock or the tailstock can move along a common direction parallel with the first axis of rotation. The device includes interchangeable micro-centering devices, at least one of the first spindle and the second spindle includes receiving means arranged to coaxially house a removable centering device, and at least one of the headstock and the tail stock includes pulling means arranged to pull without contact a micro-centering device axially along a common direction, opposite a space separating the headstock and the tailstock.

A device for measuring horological shakes, including a structure carrying an articulated mechanism with a compliant mechanism having a linear force/stroke characteristic connecting a first fixed element to a second element capable of moving linearly under the effect of an actuator manoeuvring same in a contactless manner in both directions, and a position sensor determining the position of the second element in a direction, and a load sensor determining the variation in the axial pushing or pulling load of the second element carrying a gripper clamping a mobile component, and/or the variation in the gradient of this load, generating a signal for triggering the position measurement during each sudden change in gradient of the load in each direction of running, to determine the shake of the mobile component, by comparing the positions measured during the sudden changes in gradient during the outward and return strokes.

A geometric inspection device for horological mobile components, including a headstock bearing a first spindle defining a first axis of rotation and a tailstock defining a second axis of rotation, on a common sole relative to which the headstock or the tailstock can move along a common direction parallel with the first axis of rotation. The device includes interchangeable micro-centering devices, at least one of the first spindle and the second spindle includes receiving means arranged to coaxially house a removable centering device, and at least one of the headstock and the tail stock includes pulling means arranged to pull without contact a micro-centering device axially along a common direction, opposite a space separating the headstock and the tailstock.

Timepiece wheel set with a unidirectional wheel rotating in only one direction in cooperation with a ratchet wheel, which is movable inside a ratchet wheel chamber, comprising a click that rotates integrally with this wheel, which forms a one-piece component comprising at least one spring-arm, at the end of which, on a first side, a beak cooperates directly with the toothing of a ratchet wheel in an operating position in which this spring-arm is free, and on a second side, a first hook can cooperate with a second hook of complementary shape, comprised in this one-piece click, in a rest position in which this spring-arm is in an extended position, the elasticity thereof allowing this first hook to be hooked or unhooked with respect to this second hook by the action of an operator, by maximum elongation of this spring-arm and/or by the tilting of this end.