Patents by Inventor Jean-Marc Wiederrecht
Jean-Marc Wiederrecht has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240377789Abstract: This relates to a calendar display mechanism for a clockwork movement, including a day-of-the-month wheel intended to actuate a month wheel at the end of each month, the month wheel including a year cam that has n series of graduations, each of which is associated with a particular year, each series of graduations having a number m of graduations corresponding to the number of months in the associated year, the display mechanism including a rotatable month lever which supports a month feeler-spindle thereon which remains in contact with the year cam so as to define the angular orientation of the month lever, the lever also having a kinematic connection to a month display wheel so as to cause the wheel to perform a retrograde movement.Type: ApplicationFiled: August 16, 2022Publication date: November 14, 2024Inventors: Jean-Marc WIEDERRECHT, Maximilien DI BLASI, Guy DUBOIS-FERRIÈRE, Laurent WIEDERRECHT, Guillaume LEWIS
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Patent number: 11300927Abstract: A display mechanism a wheel carrying, constrained to rotate with it, a first wheel and a snail-shaped cam, the mechanism having an active first state in which the first wheel is driven in rotation by a driving wheel and a zero reset second state in which it is no longer driven to allow it to return to a predefined position, associated with a predefined position of the display member, the display mechanism further including a feeler-spindle adapted to cooperate with the perimeter of the cam, the feeler-spindle and the perimeter of the cam being adapted and sized so that the feeler-spindle exerts on the cam, in the second state, a return force having a non-radial component adapted to return the first wheel to its predefined position.Type: GrantFiled: November 17, 2017Date of Patent: April 12, 2022Assignee: NOGERAH SAInventors: Jean-Marc Wiederrecht, Laurent Wiederrecht, Maximilien Di Blasi, Guy Dubois-Ferrière
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Patent number: 11226595Abstract: A coupling system for a chronograph mechanism is presented. The system can include an input wheel intended to be driven by a drive member; an output wheel intended to drive at least one display member; an intermediate wheel continuously kinematically connected to the input wheel or the output wheel, where the intermediate wheel changes between a coupled state where the input wheel is kinematically connected to the output wheel and an uncoupled state where the kinematic connection is broken. The system also includes a first friction wheel constrained to rotate with the intermediate wheel and a second friction wheel constrained to rotate with either the input wheel and the output wheel; a first safety wheel constrained to rotate with said intermediate wheel that includes a first set of safety teeth; and a second safety wheel constrained to rotate with the second wheel that includes a second set of safety teeth.Type: GrantFiled: November 14, 2017Date of Patent: January 18, 2022Assignee: NOGERAH SAInventors: Jean-Marc Wiederrecht, Laurent Wiederrecht, Maximilien Di Blasi, Guy Dubois-Ferrière
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Publication number: 20190271948Abstract: The invention concerns a display mechanism including a wheel carrying, constrained to rotate with it, a first wheel and a snail-shaped cam, the mechanism having an active first state in which the first wheel is driven in rotation by a driving wheel and a zero reset second state in which it is no longer driven to allow it to return to a predefined position, associated with a predefined position of the display member, the display mechanism further including a feeler-spindle adapted to cooperate with the perimeter of the cam, the feeler-spindle and the perimeter of the cam being adapted and sized so that the feeler-spindle exerts on the cam, in the second state, a return force having a non-radial component adapted to return the first wheel to its predefined position.Type: ApplicationFiled: November 17, 2017Publication date: September 5, 2019Applicant: NOGERAH SAInventors: Jean-Marc WIEDERRECHT, Laurent WIEDERRECHT, Maximilien Dl BLASI, Guy DUBOIS-FERRIÈRE
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Publication number: 20190271952Abstract: A coupling system for a chronograph mechanism, said system comprising: an input wheel intended to be driven by a drive member; an output wheel intended to drive at least one display member; an intermediate wheel continuously kinematically connected to a first wheel chosen from said input wheel and said output wheel, said intermediate wheel being mounted so that it can change between a coupled state in which said input wheel is kinematically connected to said output wheel and an uncoupled state in which said kinematic connection is broken.Type: ApplicationFiled: November 14, 2017Publication date: September 5, 2019Applicant: NOGERAH SAInventors: Jean-Marc WIEDERRECHT, Laurnt WIEDERRECHT, Maximillen DI BLASI, Guy DUBOIS-FERRIÈRE
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Patent number: 10180659Abstract: A device for assembling and adjusting a balance spring, including a base joined to a balance bridge with an adjustable angular orientation, and having a bearing surface and a bearing plate adjacent to the bearing surface, both defining a service position of the end turn of the balance spring. A first arm extends from the base and bears a locking member for the end turn, the locking member being designed to keep the terminal coil in abutment against the bearing surface. A second arm of the device extends from the base and bears a shoe that is able to be arranged at a predefined distance from the bearing surface so as to cooperate with the end turn. A movable control member is able to act on the second arm in order to deform it elastically and move the shoe with respect to the base in order to free the end turn.Type: GrantFiled: July 31, 2015Date of Patent: January 15, 2019Assignee: AGENHOR S.A.Inventor: Jean-Marc Wiederrecht
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Publication number: 20170212473Abstract: A device for assembling and adjusting a balance spring, comprising a base joined to a balance bridge with an adjustable angular orientation, and comprising a bearing surface and a bearing plate adjacent to the bearing surface, both defining a service position of the end turn of the balance spring. A first arm extends from the base and bears a locking member for the end turn, said locking member being designed to keep the terminal coil in abutment against the bearing surface. The device comprises a second arm that extends from the base and bears a shoe that is able to be arranged at a predefined distance from the bearing surface so as to cooperate with the end turn. A movable control member is able to act on the second arm in order to deform it elastically and move the shoe with respect to the base in order to free the end turn.Type: ApplicationFiled: July 31, 2015Publication date: July 27, 2017Applicant: AGENHOR SAInventor: Jean Marc WIEDERRECHT
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Patent number: 8550700Abstract: 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.Type: GrantFiled: July 30, 2009Date of Patent: October 8, 2013Assignee: Agenhor S.A.Inventor: Jean-Marc Wiederrecht
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Patent number: 8398299Abstract: A display mechanism for a clock movement for controlling the movements of a member for displaying at least one indication related to the time or to the operation of a timepiece, includes a cam having a periphery with a predetermined shape and driven by a base wheel, a lever pivotally mounted relative to a frame member of the movement, between an abutment position associated with an indication position of the display member, and a standby position associated with a predetermined alternative position of the display member. The lever bears a feeler intended for interaction with the periphery of the cam so as to define the abutment position, and the lever further bears a rake engaged with a pinion for driving the display member. An elastic element applies a force onto the lever for positioning it in the abutment position. The mechanism includes a mobile control member having at least a stable standby and a stable indication position.Type: GrantFiled: August 21, 2009Date of Patent: March 19, 2013Assignee: La Montre Hermes S.A.Inventor: Jean-Marc Wiederrecht
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Publication number: 20110235474Abstract: 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.Type: ApplicationFiled: July 30, 2009Publication date: September 29, 2011Inventor: Jean-Marc Wiederrecht
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Publication number: 20110205854Abstract: A display mechanism for a clock movement for controlling the movements of a member for displaying at least one indication related to the time or to the operation of a timepiece, includes a cam having a periphery with a predetermined shape and driven by a base wheel, a lever pivotally mounted relative to a frame member of the movement, between an abutment position associated with an indication position of the display member, and a standby position associated with a predetermined alternative position of the display member. The lever bears a feeler intended for interaction with the periphery of the cam so as to define the abutment position, and the lever further bears a rake engaged with a pinion for driving the display member. An elastic element applies a force onto the lever for positioning it in the abutment position. The mechanism includes a mobile control member having at least a stable standby and a stable indication position.Type: ApplicationFiled: August 21, 2009Publication date: August 25, 2011Applicant: LA MONTRE HERMES SAInventor: Jean-Marc Wiederrecht
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Patent number: 7969824Abstract: A timepiece, includes a frame supporting a drive element, a time base and drive trains pivotably mounted on the frame and arranged so as to drive at least one display train intended to carry an element displaying information, such as the time. The movement also includes a fixed gear, firmly attached to the frame, with which a toothed element of the display train is arranged to mesh, and a drive element having first and second kinematic links, respectively, with one of the drive trains and with the toothed element so as to drive the latter in translation in a first direction along the fixed gear. Preferably, the drive element is embodied in the form of a deformable element, and the movement also includes a retrograde mechanism for driving the toothed element rapidly in the opposite direction by means of the drive element.Type: GrantFiled: July 31, 2007Date of Patent: June 28, 2011Assignee: Agenhor SAInventors: Jean-Marc Wiederrecht, Paul Junod
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Publication number: 20090185453Abstract: A timepiece, includes a frame supporting a drive element, a time base and drive trains pivotably mounted on the frame and arranged so as to drive at least one display train intended to carry an element displaying information, such as the time. The movement also includes a fixed gear, firmly attached to the frame, with which a toothed element of the display train is arranged to mesh, and a drive element having first and second kinematic links, respectively, with one of the drive trains and with the toothed element so as to drive the latter in translation in a first direction along the fixed gear. Preferably, the drive element is embodied in the form of a deformable element, and the movement also includes a retrograde mechanism for driving the toothed element rapidly in the opposite direction by means of the drive element.Type: ApplicationFiled: July 31, 2007Publication date: July 23, 2009Applicant: AGENHOR SAInventors: Jean-Marc Wiederrecht, Paul Junod
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Patent number: 7321528Abstract: The invention relates to a watch movement comprising an annular casing (10), having an external diameter D, which is provided with a central round opening (48) that is defined by an internal diameter d. According to the invention, the gear train (34) comprises a mobile (36) consisting of a minute wheel (36a) and a pinion (36b), a cannon pinion (38), which is driven by the minute wheel (36a) and intended to support a minute hand (40), and an hour wheel (42) which is driven by the pinion (36b) and intended to support an hour hand (44). The cannon pinion (38) and the hour casing (10) and are provided with a central opening that is more or less equal to d. The minute wheel (36a) is provided with a diameter that is slightly smaller than (D?d)/2.Type: GrantFiled: March 13, 2002Date of Patent: January 22, 2008Inventors: Jean-Marc Wiederrecht, Saskia Bouvier
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Patent number: 7258037Abstract: The invention concerns a gear for precision devices comprising at least two mutually co-operating toothed wheels (10, 14). The teeth (12, 16) of the two wheels have the same thickness (e) and the teeth of one of them (10) are provided with a radial slot (26) which divides them into half-teeth (22, 24). On of said half-tooth (24) comprises a recess (28) enabling its elastic deformation in case of overloading.Type: GrantFiled: May 27, 2003Date of Patent: August 21, 2007Assignee: Technical Watch Research LimitedInventor: Jean-Marc Wiederrecht
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Publication number: 20060048596Abstract: The invention concerns a gear for precision devices comprising at least two mutually co-operating toothed wheels (10, 14). The teeth (12, 16) of the two wheels have the same thickness (e) and the teeth of one of them (10) are provided with a radial slot (26) which divides them into half-teeth (22, 24). On of said half-tooth (24) comprises a recess (28) enabling its elastic deformation in case of overloading.Type: ApplicationFiled: May 27, 2003Publication date: March 9, 2006Inventor: Jean-Marc Wiederrecht
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Publication number: 20050219959Abstract: The invention relates to a watch movement comprising an annular casing (10), having an external diameter D, which is provided with a central round opening (48) that is defined by an internal diameter d. According to the invention, the gear train (34) comprises a mobile (36) consisting of a minute wheel (36a) and a pinion (36b), a cannon pinion (38), which is driven by the minute wheel (36a) and intended to support a minute hand (40), and an hour wheel (42) which is driven by the pinion (36b) and intended to support an hour hand (44). The cannon pinion (38) and the hour casing (10) and are provided with a central opening that is more or less equal to d. The minute wheel (36a) is provided with a diameter that is slightly smaller than (D?d)/2.Type: ApplicationFiled: March 13, 2002Publication date: October 6, 2005Inventors: Jean-Marc Wiederrecht, Saskia Bouvier
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Patent number: 6543681Abstract: A golf counter has an entirely mechanical mechanism which includes a first lever actuated by a first pushbutton provided at its end with a nose coacting with a first star wheel carrying the movable member of the counter of the number of strokes per hole and subject to the action of a spring detent and a spiral spring. This mechanism includes a second lever whose first arm is subject to the action of a return spring and operationally connected to a second pushbutton, this first arm having a nose coacting with the teeth of the second star wheel carrying the movable member of the counter of the hole number. A second arm of the second lever actuates during its pivoting under the action of the second pushbutton the spring detent thereby freeing the first star wheel leading to its zero resetting by the spiral spring.Type: GrantFiled: November 1, 2000Date of Patent: April 8, 2003Inventors: Jean-Marc Wiederrecht, Carlos Freire