With Oscillating Or Reciprocating Means Patents (Class 368/125)
  • Patent number: 9804570
    Abstract: 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.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: October 31, 2017
    Assignee: ETA SA Manufacture Horlogere Suisse
    Inventors: Pascal Winkler, Jean-Luc Helfer, Thierry Conus, Gianni Di Domenico, Jean-Jacques Born
  • Patent number: 9612576
    Abstract: A timepiece escapement mechanism with improved tribology includes at least one pair of components including a first component and a second component respectively including a first friction surface and a second friction surface which are arranged to cooperate in contact with each other. The second friction surface includes at least one silicon-based material taken from a group including silicon, silicon dioxide, amorphous silicon, polycrystalline silicon, porous silicon, or a mixture of silicon and silicon oxide. The first friction surface is formed by a surface of a solid element which is made of solid silicon nitride in a stoichiometric formulation Si3N4. A method for making the escapement mechanism is also provided.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: April 4, 2017
    Assignee: Nivarox-FAR S.A.
    Inventors: Philippe Dubois, Christian Charbon
  • Patent number: 9557713
    Abstract: A timepiece sub-assembly includes, irreversibly fixed to a main plate and each irreversibly pre-adjusted by the irreversible securing of adjustment and/or assembly components, after the particular timepiece function thereof has been adjusted and function checked on the test bench, functional modules including a gear train module, a display module, and a time-setting module. Other mechanical sub-assemblies, each irreversibly fixed to the preceding lower order mechanical sub-assembly, include various modules including motor module, frame-mounted self-winding device module, escapement holder regulating module, motion work train, date module, and self-winding module. A mechanical movement including at least one mechanical sub-assembly of this type and a watch including a mechanical movement of this type are also disclosed. A method of assembling mechanical sub-assemblies of this type by the irreversible securing of mechanical sub-assemblies and irreversibly pre-adjusted modules is also disclosed.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: January 31, 2017
    Assignee: ETA SA Manufacture Horlogère Suisse
    Inventors: Jean-Bernard Peters, Laurent Kaelin, Ivan Villar, Raphael Balmer
  • Patent number: 8480293
    Abstract: This timepiece is furnished with a direct impulse escapement comprising a locking lever (2) for locking the escapement wheel furnished with two locking pallets (2a, 2b), with a fork (2c) and with a guard pin (2d). The guard pin is mounted so as to pivot on the fork about an axis parallel to the pivoting axis of the locking lever (2). It comprises displacement means (2d1, 2d2, 2d3), designed to engage with drive means secured to said frame, so as to amplify the angular displacement of the guard pin (2d), caused by the locking lever (2) passing from one to the other of its two positions. This invention also applies to the guard pin of a pallet assembly of an indirect impulse escapement.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: July 9, 2013
    Assignee: Rolex S.A.
    Inventor: Fabiano Colpo
  • Publication number: 20130070569
    Abstract: The invention relates to a timepiece (1) comprising a first resonator (R1) oscillating at a first frequency (f1) and connected by a main gear train (T2) to a main energy source (B2) via a main escapement (D2). According to the invention, the timepiece comprises a second resonator (R2) oscillating at a second frequency (f2) which is lower than the first frequency and cooperating with the main escapement (D2) in order to synchronise maintenance of the first resonator (R1) to said second frequency (f2). The invention concerns the field of coupled oscillators.
    Type: Application
    Filed: September 11, 2012
    Publication date: March 21, 2013
    Applicant: The Swatch Group Research and Development Ltd.
    Inventors: Davide SARCHI, Nakis KARAPATIS, Thierry HESSLER, Jean-Luc HELFER
  • Publication number: 20120243386
    Abstract: Mechanical watch movement comprising a mechanical chronograph with a regulator organ for regulating the running of the chronograph, characterized in that the regulator organ of the chronograph is placed in an imaginary circle (A) coaxial to the movement and having a radius (r1) smaller than 50% of the maximum outer radius of the movement.
    Type: Application
    Filed: March 22, 2011
    Publication date: September 27, 2012
    Inventor: Guy Semon
  • Patent number: 7922385
    Abstract: A piezoelectric drive device has a piezoelectric actuator that has a vibrator with a piezoelectric element, and a rotor that is rotated by the vibrator, an elastic device that can store the rotational energy of the rotor as elastic energy, and a driven body that is rotated by the elastic energy stored by the elastic device.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: April 12, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Shoichi Nagao
  • Publication number: 20110044139
    Abstract: A mechanical oscillator isochronism corrector includes: a frame (12), a flexible blade (14) integral with the frame to act on the mechanical oscillator at a contact portion (14a) presented by the blade, first element for adjusting the pre-stress of the flexible blade including a pre-stress finger (22) acting on the flexible blade, the first adjustment element being integral with the frame.
    Type: Application
    Filed: August 18, 2010
    Publication date: February 24, 2011
    Applicant: CSEM Centre Suisse d'Electronique et de Microtechnique SA Recherche et Developpement
    Inventors: Simon HENEIN, Philippe SCHWAB
  • Patent number: 7815363
    Abstract: A timepiece movement having at least two regulating members with their escapement and elements for alternately stopping and releasing the operation of the regulating members, such that a single regulating member is thus driven at any one time by means of the energy source of the timepiece.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: October 19, 2010
    Assignee: BNB Concept SA
    Inventors: Mathias Buttet, Enrico Barbasini, Michel Navas
  • Patent number: 7693008
    Abstract: According to one embodiment, for each GOP, frames from an I frame present at a leading position of GOP to an I frame contained in a succeeding GOP and B frames referencing the I frame contained in the succeeding GOP are managed as a new GOP. For each new GOP, video frames from a leading I frame to a last I frame are subjected to a decoding process in order of increasing PTS value. For each new GOP with the last I frame of the video frames discarded, the video frames are subjected to video display in order of decreasing PTS value.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: April 6, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Satoshi Akimoto
  • Patent number: 7347618
    Abstract: An automatic pawl winding mechanism for a watch movement has a rotor solidly attached to a rotor wheel and oscillating about the axis of a rotor pivot, a pawl wheel to which an oscillating motion of rotor is transmitted by the rotor wheel being pivoted about the axis of a pawl wheel shaft, at least one pawl being eccentrically attached to the pawl wheel shaft, and an automatic wheel cooperating with the pawl or pawls. The oscillating motion of the rotor wheel is thus transformed into a unidirectional rotary motion of the automatic wheel, and this rotary motion is transmitted to a ratchet wheel via a transformation gear train. The rotor, the gear train from the rotor with rotor wheel to the pawl wheel with the pawl or pawls is mounted on an independent rotor bridge while no other organ of the mechanism is mounted on this bridge.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: March 25, 2008
    Assignee: Richemont International S.A.
    Inventors: Jean-François Mojon, Norberto Perucchi
  • Patent number: 7338200
    Abstract: A pallet stone cooperates with the teeth of an escapement wheel of a watch or clock movement, and includes a trailing plane and an impulse plane and at least one capillary channel acting as a tank for a lubricant, characterized in that the capillary channel connects the trailing plane to the impulse plane.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: March 4, 2008
    Assignee: Glashütter Uhrenbetrieb GmbH
    Inventor: Hans-Georg Hintze
  • Publication number: 20020114225
    Abstract: In the clockwork, according to the present invention, the bearing journals of the balance staff, and also of the pallet staff, have a larger diameter than in known clockworks, since a DLC coating of these bearing journals and the corresponding surfaces of the bearings provides for very low friction, which enables an increase in the bearing journal diameter without diminishing the function and accuracy. The enlargement of the bearing journal diameter results in improved shock-resistance in addition to making the elements provided for shock resistance in conventional clockworks (spring-mounted bearings for the balance staff) partially, or wholly, unnecessary.
    Type: Application
    Filed: February 11, 2002
    Publication date: August 22, 2002
    Inventor: Konrad Damasko
  • Patent number: 5163535
    Abstract: In a governor of the type which is used for regulating the angular velocity of a toothed gear wheel which is biased to rotate, the improvement which comprises an inertial mass affixed to one end of a spring, the other end of the spring being affixed to a ratchet bar of the governor whereby said end of the spring affixed to the inertial mass moves from an unloaded position just before a change in direction of oscillation, to a loaded position, and then back to an unloaded position just after the direction of oscillation has changed.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: November 17, 1992
    Inventor: Thomas J. Jolie
  • Patent number: 4286693
    Abstract: A mechanical, seismic-shock-absorbing snubber adapted to accept extremely high impact loads that may be imposed upon it by reason of its interposition between heavy, relatively moveable structures. While permitting essentially unrestricted, slow, relative motion between the structures, such as may be caused by thermal effects (e.g., the expansion or contraction of a high pressure steam pipe yieldably attached by way of hangers or supports to a building structure as in a nuclear power plant), the snubber limits both the velocity and acceleration of relative motion between the structures such as might result from violent seismic shock or vibration. The snubber employs, as its damping mechanism, an escapement wheel, which rotates in response to relative movement of the structures between which the snubber is interposed and employs a cooperating, pivoted, pallet member of predetermined effective mass driven by the escapement wheel into oscillation.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: September 1, 1981
    Assignee: Anchor/Darling Industries, Inc.
    Inventor: Harry E. Sulzer