131 results about "Remontoire" patented technology

A device comprises a basic clock movement MB whose time indicators are driven by a first barrel connected to a first wheelwork and a first regulator organ, and an autonomous chronograph module MCA whose indicators are driven by a second barrel independent from the first, connected to a second wheelwork and a second regulator organ. The chronograph module is exclusively composed of mechanical elements. The frequency of oscillation supplied by its regulator is equal N times the frequency of oscillation supplied by the regulator of the base movement, with the coefficient N being definable according to a specific application of the chronograph, so that any chronograph module thus previously defined can work with the same base movement. The chronograph regulator remains constantly engaged with the corresponding wheelwork. The chronograph module allows a time interval to be read with a minimum precision of a hundredth of second. The organs of the base movement and of the chronograph module are arranged in such a way that in assembled state, the height and overall diameter do not exceed 7.75 mm and 30 mm respectively, the dimensions of the chronograph itself being not greater than 4 mm (height) and 30 mm (diameter) when its elements are mounted on a bottom plate, so that the device can advantageously be integrated in the case of a wrist-watch and affords an aesthetic exterior.

The present invention relates to and provides a constant-torque mechanism for a clock, a movement having the mechanism, and the mechanical clock, which are capable of suppressing the output torque fluctuations to a minimum level. The constant torque mechanism of the movement of the mechanical clock is disposed between a barrel wheel and a balance wheel and comprises: a first reel; a second reel which is eccentric relative to the axis; a detaching wheel which comprises a ratchet and is combined with a drive wheel and capable of rotating around the central axis of the first reel; the drive wheel which is combined with a driven side wheel column and capable of rotating around the central axis with respect to the detaching wheel; a strip which is in a form of an elastic tape member and winding between the first reel and the second reel for forming the constant-torque mechanism, wherein the first reel is mounted on one of the detaching wheel and the drive wheel and the second reel is mounted on the other one of the detaching wheel and the drive wheel; and an intermittent rotation control mechanism which allows the detaching wheel to rotate with respect to the drive wheel in an intermittent mode..

A timepiece includes a movement, a main striking mechanism, a secondary strike release mechanism, and a mode selecting mechanism. The main striking mechanism is controlled by a main strike control mechanism, arranged to release strikes, at times programmed by the movement, or on demand, and a sequence of each strike is determined by information gathered by feeler spindles on snails or time references driven by the movement. A coupling mechanism of the secondary strike release mechanism actuates a control rod linkage of an isolating mechanism arranged to isolate various different release mechanisms for different strikes using the main striking mechanism to play strikes. The isolating mechanism includes at least a first isolator which, in a first winding position, takes a stop position preventing the spindles from gathering information from the snails, and, in a second let down position, allows the spindles to pass to come into contact with the snails.

The invention concerns a timepiece movement that includes first and second energy sources, wherein the first energy source is coupled to an oscillating weight by a first kinematic chain for automatically winding the movement, and the second energy source is coupled both to an activating device, and to a vibrating element by a second kinematic chain, to form a vibrating alarm mechanism that can be activated at a predetermined time. In addition, for the timepiece movement, the vibrating element of the vibrating alarm mechanism is the oscillating weight.

A timepiece, in particular a wristwatch, includes a constant-force device for acting on an oscillating system, the constant-force device including a switching unit and a tensioning module having a primary spring-energy store and a secondary spring-energy store. A seconds shaft bearing a seconds wheel and a cam plate is driven to rotate constantly by the secondary spring-energy store. The seconds wheel drives the oscillating system, and the cam plate acts on the switching unit for the periodic tensioning of the secondary spring-energy store by the primary spring-energy store.

The invention relates to a tourbillon without the balance weight. Tourbillon mechanism for a watch having a turning cage mounted in pivoting manner in a first and second cage bearing lodged in fixed elements of the watch; an escapement mobile integral with the cage; and a regulating element in the form of a spiral balance capable of oscillating around a balance staff according to pulses received from the escapement mobile. The balance staff is mounted in pivoting manner in the balance bearings lodged outside the cage. The outer extremity of the spiral hairspring is fastened to the cage through a hairspring stud.

The invention relates to a running reserve indicator for a mechanical clockwork provided with a main barrel for actuating a going train and at least one second barrel for actuating a mechanism allocated to an auxiliary function which is carried out during a definite period of time. The running reserve displayed with the aid of a hand and a dial is always equal to the running reserve of the barrel having the smallest reserve.

A mechanical clock movement includes a resonator, an escapement linked to the resonator, and a display of at least one item of time information. The display is driven by a mechanical drive device via a counter wheel train, the work rate of which is set by the escapement. At least the resonator is housed in a chamber, in which a reduced pressure in relation to atmospheric pressure prevails. The escapement is a magnetic escapement including an escape wheel coupled directly or indirectly to the resonator via a non-contact magnetic coupling system, wherein the magnetic coupling system is formed so that a non-magnetic wall of the chamber runs through the magnetic escapement so that a first part of the escapement is located inside the chamber whereas a second part of the escapement is located outside the chamber.

A mechanical clock movement includes a resonator, an escapement linked to the resonator, and a display of at least one item of time information. The display is driven by a mechanical drive device via a counter wheel train, the work rate of which is set by the escapement. At least the resonator is housed in a chamber, in which a reduced pressure in relation to atmospheric pressure prevails. The escapement is a magnetic escapement including an escape wheel coupled directly or indirectly to the resonator via a non-contact magnetic coupling system, wherein the magnetic coupling system is formed so that a non-magnetic wall of the chamber runs through the magnetic escapement so that a first part of the escapement is located inside the chamber whereas a second part of the escapement is located outside the chamber.

Spring operated actuator devices for an electrical circuit breaker and / or electrical switching device include at least one clock spring comprising a disc shaped body with gear teeth and a spiral spring, a cam shaft holding the at least one clock spring with an inner end portion of the spiral spring attached to the cam shaft, and a drive cam held by the cam shaft adapted to be in communication with a follower that directs an actuator to open or close a mobile contact to maintain open and closed energy status of the electrical circuit. The at least one clock spring is configured as a closing spring of the spring operated actuator.

The timepiece movement is provided with an analogue device for displaying information whose value varies periodically or intermittently, this analogue display device including, on the one hand, an indicator provided with a first toothing, and on the other hand, a mechanism for the periodic or intermittent driving of the indicator. The drive mechanism is formed by an irreversible transmission system which ensures a shock resistant function for the indicator. The display device further includes a positioning jumper for the indicator generating a positioning force on the first toothing, which is sufficient to precisely position the indicator in a plurality of discrete display positions, but considerably insufficient to ensure a shock resistant function for the indicator. Thus, the indicator can be driven with a relatively low torque; which therefore requires less energy and makes it possible to provide a drive mechanism with a lower gear reduction for the drive torque transmission ratio.

A clock movement is provided that contains a constant force device. In accordance with one implementation, the clock movement includes a spiral spring, and a train, having a first kinematic chain arranged to connect a main energy source to a first end of the spiral spring and a second kinematic chain for connecting a time base to a second end of the spiral spring. One of the first and second kinematic chains may contain an adjustment mobile comprising first and second members connected to each other by a friction such that a rotation of one member drives the other member during routine working of the clock movement. One of these members may include an adjustment member having at least one bearing surface arranged such that it is possible to act upon the latter so as to rotate the adjustment member without rotating the other member by dint of friction, in order to adjust the load state of the spiral spring.

A device for stopping a balance of a regulating organ mounted in a tourbillon of a timepiece. The device can be controlled by a setting device of the timepiece. The device includes at least two stop levers which are each secured pivotably to a respective lever pivot axis in such a manner that they can be brought from a rest position, in which the balance and the tourbillon are freely rotatable into a stop position, in which at least one of the stop levers acts via its free end on the balance such that the balance is stopped. The device additionally includes for each of these stop levers pre-loading structure, in such a manner that the force exerted onto the balance by each of the stop levers can act separately. The present invention also relates to a corresponding movement module equipped with such a device, respectively to a corresponding timepiece.