Patents Assigned to Lange Uhren GmbH
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Patent number: 8038340Abstract: A timepiece comprising a main energy storing device, a gear train coupled to the main energy storing device, a tensioning element coupled to the gear train, the tensioning element configured to be driven about a tensioning axis in cyclic steps, a tensioning control system configured to control the tensioning element, a storage hairspring having a first end and a second end, the first end connected to the tensioning element, a wheel connected to the second end of the storage hairspring, a clockwork movement rotatably driven by the wheel, an escapement coupled to the clockwork movement and a device configured to be switched in a stepwise manner and driven rotatably in cyclic steps by an element of the gear train.Type: GrantFiled: September 8, 2008Date of Patent: October 18, 2011Assignee: Lange Uhren GmbHInventor: Jens Schneider
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Patent number: 8036066Abstract: The invention relates to a watch comprising a first hour wheel (16) which is rotatably driven around a rotating pin (3) by means of a drive unit and supports a first hour hand (1), and a second hour wheel ((26) that is joined to the first hour wheel (16) via a springy catching connection and is rotatably driven about a second rotating pin (13) by the first hour wheel (16), a second hour hand (11) being rotatably driven by means of said second hour wheel (26). The watch further comprises a manually adjustable winding stem (62) which supports a drive wheel and with the aid of which the two hour wheels (16 and 23) can be adjusted jointly or individually. The first hour wheel (16) can be adjusted by the drive wheel while the second hour wheel or a third hour tube (26) that supports the second hour hand (11) can be blocked by a manually actuated blocking device.Type: GrantFiled: March 2, 2006Date of Patent: October 11, 2011Assignee: Lange Uhren GmbHInventors: Christoph Schlencker, Helmut Geyer
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Patent number: 7995776Abstract: A timepiece includes a casing having a casing interior having a viewer's side provided with a viewing opening, a base side provided with a sound aperture, and an annular surface surrounding the sound aperture. A membrane extending over the sound aperture closes the base side of the casing interior, the membrane having a circumferential region in sealed connection with the annular surface. A tensioning device maintains the membrane at a desired tension in the radial direction. A vibration generator arranged in the casing interior produces a sound whose frequency can be adjusted by adjusting the tension of the membrane.Type: GrantFiled: December 6, 2006Date of Patent: August 9, 2011Assignee: Lange Uhren GmbHInventors: Robert Alain Greubel, Stephen Edward Methuen Forsey, Ludovic Philippe Roland Perez
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Publication number: 20110164475Abstract: A watch, in particular a wristwatch, having a watch case that has a viewing opening oriented towards an observer, a movement, and one or more components with light-receiving regions on their surfaces. The movement and the components with regions of light-receiving surface are arranged in the watch case and are covered by a light-transmissive covering part in the direction of the observer. The covering par is transmissive for ultraviolet light and is at least largely opaque for light in the visible spectrum.Type: ApplicationFiled: January 5, 2011Publication date: July 7, 2011Applicant: Lange Uhren GmbHInventor: Jan WENZEL
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Publication number: 20110090768Abstract: A watch with a drive by which a gear train of a digital display having one or more number disks driven in rotation in cyclical steps and a manually actuatable disk adjusting mechanism. A drive wheel is advanced rotationally in steps by the drive of the watch and rotationally blocked between the steps. A unit wheel of a unit number disk can be rotationally advanced at ten steps per revolution. A stepping device, driven by the unit wheel drives a tens number disk rotationally at six steps per revolution. An hours number disk, is rotationally advanced directly or indirectly by the tens number disk at twelve steps per revolution during one revolution of the tens number disk.Type: ApplicationFiled: April 30, 2010Publication date: April 21, 2011Applicant: Lange Uhren GmbHInventor: Jens SCHNEIDER
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Patent number: 7648265Abstract: A regulatorless oscillating system for a watch includes a spiral balance spring having an inner fastening point attached to a collet which can be connected to a balance staff, an outer fastening point connected to a balance spring stud, and an end region adjacent to the stud. The end region is held so that it can be adjustably positioned in a plane which is perpendicular to the balance staff, thereby decentralizing the balance spring in order to compensate for isochronism errors.Type: GrantFiled: November 2, 2007Date of Patent: January 19, 2010Assignee: Lange Uhren GmbHInventors: Lutz Grossman, Jörg Gassmann
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Publication number: 20090067296Abstract: A timepiece comprising a main energy storing device, a gear train coupled to the main energy storing device, a tensioning element coupled to the gear train, the tensioning element configured to be driven about a tensioning axis in cyclic steps, a tensioning control system configured to control the tensioning element, a storage hairspring having a first end and a second end, the first end connected to the tensioning element, a wheel connected to the second end of the storage hairspring, a clockwork movement rotatably driven by the wheel, an escapement coupled to the clockwork movement and a device configured to be switched in a stepwise manner and driven rotatably in cyclic steps by an element of the gear train.Type: ApplicationFiled: September 8, 2008Publication date: March 12, 2009Applicant: Lange Uhren GmbHInventor: Jens SCHNEIDER
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Publication number: 20090016174Abstract: The invention relates to a watch comprising a first hour wheel (16) which is rotatably driven around a rotating pin (3) by means of a drive unit and supports a first hour hand (1), and a second hour wheel ((26) that is joined to the first hour wheel (16) via a springy catching connection and is rotatably driven about a second rotating pin (13) by the first hour wheel (16), a second hour hand (11) being rotatably driven by means of said second hour wheel (26). The watch further comprises a manually adjustable winding stem (62) which supports a drive wheel and with the aid of which the two hour wheels (16 and 23) can be adjusted jointly or individually. The first hour wheel (16) can be adjusted by the drive wheel while the second hour wheel or a third hour tube (26) that supports the second hour hand (11) can be blocked by a manually actuated blocking device.Type: ApplicationFiled: March 2, 2006Publication date: January 15, 2009Applicant: Lange Uhren GmbHInventors: Christoph Schlencker, Helmut Geyer
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Publication number: 20080117721Abstract: A regulatorless oscillating system for a watch includes a spiral balance spring having an inner fastening point attached to a collet which can be connected to a balance staff, an outer fastening point connected to a balance spring stud, and an end region adjacent to the stud. The end region is held so that it can be adjustably positioned in a plane which is perpendicular to the balance staff, thereby decentralizing the balance spring in order to compensate for isochronism errors.Type: ApplicationFiled: November 2, 2007Publication date: May 22, 2008Applicant: Lange Uhren GmbHInventors: Lutz Grossmann Glashutte, Jorg Gassmann
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Patent number: 7318669Abstract: A spring-barrel arrangement for a timepiece includes a fixed plate-like component with a circular cutout. A spring barrel is rotatably mounted in said circular cutout by its corresponding circular outer contour. A barrel core is coaxially rotatably mounted relative to the spring barrel and is enclosed by a helical tension spring. An inner end of the spring is connected to the barrel core and its outer end connected to the spring barrel. A crown wheel with a toothed ring is fixed to the spring barrel and a first wheel of a wheel train of the timepiece is fixed to the barrel core. The circular cutout is formed through the plate-like component and the spring barrel has two supporting regions which extend radially beyond the diameter of the circular cutout and are each in abutment against one of the mutually opposite side surfaces of the plate-like component.Type: GrantFiled: December 7, 2004Date of Patent: January 15, 2008Assignee: Lange Uhren GmbHInventor: Jens Schneider
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Patent number: 7293912Abstract: 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.Type: GrantFiled: December 6, 2006Date of Patent: November 13, 2007Assignee: Lange Uhren GmbHInventors: Johnny Frédéric Girardin, Stephen Edward Methuen Forsey
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Patent number: 7237945Abstract: An oscillating system for a mechanical timepiece includes an annular balance wheel arranged in a fixed manner coaxially in relation to a rotatably mounted balance staff. A helical spring encloses the balance staff and has its inner end fastened on the balance staff and its outer end fastened on a fastening device. The fastening device has a helical-spring connector with an inner clamping jaw and an outer clamping jaw, the inner clamping jaw being radially inside of the outer clamping jaw in relation to the axis of rotation of the balance staff. The outer end of the helical spring may be clamped firmly between a clamping surface of the inner clamping jaw and a clamping surface of the outer clamping jaw.Type: GrantFiled: September 21, 2004Date of Patent: July 3, 2007Assignee: Lange Uhren GmbHInventor: Helmut Geyer
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Publication number: 20070147179Abstract: 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.Type: ApplicationFiled: December 6, 2006Publication date: June 28, 2007Applicant: Lange Uhren GmbHInventors: Johnny Girardin, Stephen Forsey
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Publication number: 20070140067Abstract: A timepiece includes a casing having a casing interior having a viewer's side provided with a viewing opening, a base side provided with a sound aperture, and an annular surface surrounding the sound aperture. A membrane extending over the sound aperture closes the base side of the casing interior, the membrane having a circumferential region in sealed connection with the annular surface. A tensioning device maintains the membrane at a desired tension in the radial direction. A vibration generator arranged in the casing interior produces a sound whose frequency can be adjusted by adjusting the tension of the membrane.Type: ApplicationFiled: December 6, 2006Publication date: June 21, 2007Applicant: Lange Uhren GmbHInventors: Robert Greubel, Stephen Forsey, Ludovic Perez
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Patent number: 7139224Abstract: A calendar stepping mechanism of an eternal calendar of a clock includes a month disk with indentations and elevations corresponding to forty-eight months of a leap year period and a calendar wheel having 31 teeth with one stepping tooth and normal teeth for driving a calendar date display. A stepping lever is pivoted once a day and has a probe finger that rests on the month disk in a normal position of the stepping lever.Type: GrantFiled: March 23, 2006Date of Patent: November 21, 2006Assignee: Lange Uhren GmbHInventor: Jens Schneider
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Patent number: 7014356Abstract: A chronograph has a clock movement for driving a second chronograph hand and a minute chronograph hand and a control apparatus for stopping the second chronograph hand and the minute chronograph hand and for setting in motion a rattrapante mechanism of a second rattrapante indicator and a minute rattrapante indicator. The rattrapante mechanism has a common trip element for starting and stopping the second rattrapante indicator and the minute rattrapante indicator. A catch is triggered by the common trip element for engaging or disengaging from a ratchet recess of a plurality of ratchet recesses that are distributed evenly on the periphery of a minute rattrapante wheel. The minute rattrapante wheel is connected to a minute rattrapante shaft of a minute rattrapante indicator. The number of ratchet recesses on the minute rattrapante wheel corresponds to the number of increments of the minute chronograph hand per revolution.Type: GrantFiled: April 6, 2005Date of Patent: March 21, 2006Assignee: Lange Uhren GmbHInventors: Tino Bobe, Jens Schneider
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Patent number: 6846104Abstract: A tourbillon for a watch having a setting device for setting the hands of the watch includes a circular balance wheel that can swivel about a swivel axis. In addition, an escapement is provided that consists of a pallet and an escape wheel, the balance wheel and the escapement arranged on a base plate. A balance wheel shaft of the balance is rotationally mounted with its one end on the base plate and with its other end on a cage that surrounds the balance wheel like a basket. The cage comprises, outside of the radially encircling periphery of the balance wheel, a number of interspaced pillars fastened to the base plate and forms, with the base plate, a rotating mount which can be rotationally driven about rotation axis that is coaxial to the swivel axis by a seconds drive of the watch. A stop device can be actuated by the setting device and swiveling movement of the balance wheel can be blocked by the stop device.Type: GrantFiled: November 22, 2002Date of Patent: January 25, 2005Assignee: Lange Uhren GmbHInventor: Helmut Geyer
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Patent number: D632989Type: GrantFiled: October 29, 2009Date of Patent: February 22, 2011Assignee: Lange Uhren GmbHInventor: Nils Bode
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Patent number: D633405Type: GrantFiled: October 29, 2009Date of Patent: March 1, 2011Assignee: Lange Uhren GmbHInventor: Nils Bode
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Patent number: D656052Type: GrantFiled: June 9, 2011Date of Patent: March 20, 2012Assignee: Lange Uhren GmbHInventor: Nils Bode