EP2602672A1 - Schaltrad und Mechanismus für einen Chronographen, der ein solches Rad umfasst - Google Patents

Schaltrad und Mechanismus für einen Chronographen, der ein solches Rad umfasst Download PDF

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Publication number
EP2602672A1
EP2602672A1 EP11192668.9A EP11192668A EP2602672A1 EP 2602672 A1 EP2602672 A1 EP 2602672A1 EP 11192668 A EP11192668 A EP 11192668A EP 2602672 A1 EP2602672 A1 EP 2602672A1
Authority
EP
European Patent Office
Prior art keywords
columns
wheel
column
column wheel
chronograph
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11192668.9A
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English (en)
French (fr)
Other versions
EP2602672B1 (de
Inventor
Olivier Mertenat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP11192668.9A priority Critical patent/EP2602672B1/de
Priority to US13/693,689 priority patent/US8920021B2/en
Priority to CN201210526521.1A priority patent/CN103163776B/zh
Priority to RU2012152917/12A priority patent/RU2603590C2/ru
Priority to JP2012267863A priority patent/JP5443579B2/ja
Publication of EP2602672A1 publication Critical patent/EP2602672A1/de
Priority to HK13113953.3A priority patent/HK1186535A1/zh
Application granted granted Critical
Publication of EP2602672B1 publication Critical patent/EP2602672B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/027—Wheels; Pinions; Spindles; Pivots planar toothing: shape and design
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/028—Wheels; Pinions; Spindles; Pivots wheels in which the teeth are conic, contrate, etc; also column wheels construction
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0857—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with single push-button or actuation member for start-stop and reset

Definitions

  • the present invention relates to a three-cycle chronograph mechanism arranged to control a chronograph hand and at least one counter hand so as to turn them on, to stop them, then to bring them back quickly to their starting point, at will , by successive pressures on the same push-button.
  • the present invention more specifically relates to such a three-stroke chronograph mechanism comprising a column wheel and in which the successive presses on the push button have the effect of progressively incrementing the angular position of the column wheel.
  • the figure 1 annexed shows a wheel with known columns.
  • the column wheel consists essentially of a ratchet wheel "r” and six teeth or columns “e” worn singing by the ratchet.
  • the ratchet wheel and the columns usually come from material, and as we can see on In the figure, the columns conventionally have a cross-section substantially in the form of a truncated triangle. This characteristic shape is related to the use of a milling cutter to carve the columns in the thickness of the wheel board.
  • the column wheel generally carries five or six columns (six in the illustrated example) and, in the case of a three-stroke chronograph, the ratchet comprises 3 teeth for each column (the ratchet includes 18 teeth in the illustrated example).
  • the column wheel When not actuated, the column wheel is held in a stable angular position by a jumper spring (not shown) whose end bears against the ratchet. The column wheel is further under the action of a ratchet (not shown).
  • the pawl is arranged to cooperate with the ratchet, and is controlled by the push button. Each pressure exerted on the pusher has the effect of moving the pawl so as to advance the column wheel of the angular value of a ratchet tooth.
  • the beaks of the different rockers are given shapes quite complex.
  • the tips of the control scales can have very different shapes as shown by the diagram of the figure 2 from the book already mentioned above. This diversity of form makes it difficult to standardize the production of chronographs.
  • the diagram of the figure 2 also shows that the width of the spouts is greater than those of the columns. This very common feature has the effect of reducing the length available for the stroke of the nozzles in the void between two columns. As a result, the levers and the columns are subjected to considerable mechanical forces. It would therefore be useful to create a chronograph mechanism in which the intensity of the mechanical forces would be less than in the existing mechanisms.
  • An object of the present invention is to overcome the disadvantages of the prior art mentioned above.
  • the present invention achieves this object by providing a column wheel according to the appended claim 1, as well as a chronograph mechanism according to claim 7.
  • Figures 9 and 10 which represent a column wheel 40 according to a particular embodiment of the present invention, we can see that the latter is essentially formed of a ratchet 42 and four columns 44 regularly distributed to the circumference of the ratchet.
  • the column wheel further comprises a hub 46 designed to be pivotally mounted about an axis of the chronograph mechanism (not shown in FIG. Figures 9 and 10 ).
  • the figure 9 still contains an arrow referenced R and intended to indicate the direction of rotation of the column wheel 40. Note that in the present example, it is clockwise.
  • the column wheel further comprises four arms 48 which respectively connect the four columns 44 to the hub 46 of the wheel.
  • the columns 44, the arms 48 and the hub 46 thus form a superstructure which has a rotation symmetry of order 4.
  • the ratchet 42 meanwhile, has 12 teeth spaced 30 ° from each other.
  • the perspective view of the figure 10 allows to clearly visualize the hub 46 and the arms 48 which connect the columns to the hub.
  • the presence of the arms and the hub makes it possible to stiffen the structure of the wheel in general, and the columns in particular. It will be understood that a more rigid column wheel allows operation with a particularly high level of precision.
  • the width of the arms at their narrowest point is considerably smaller than the width of the columns (here the width of a column is defined as the distance separating the leading edge from the trailing edge of this column).
  • the width of the arms 48 is less than half the width of the columns 44. In the present example, the width of an arm is even of the order of one third of the width of a column.
  • This feature of the invention makes it possible to arrange voids 45 in the superstructure of the column wheel. These voids are necessary to allow the beaks of the different flip-flops to dive sufficiently deep between the columns.
  • the hub 46 and the arms 48 have a height less than that of the columns 44.
  • the height of the arms will preferably be between 20% and 60% of the height of the columns.
  • An advantage of this latter feature is that it allows the stroke of the nose of a lever to be further extended both when diving and when lifting, provided that the lever is mounted high enough to allow the passage of the spout above the arms 48 of the column wheel.
  • the column wheel is entirely manufactured on a lathe. A manufacture without recovery on a lathe allows to give the piece a remarkable precision.
  • the figure 9 clearly shows the profile of the columns 40.
  • the profile of the columns generally corresponds to a warped ellipse, or more precisely perhaps, to the profile of an airplane wing.
  • leading edge of the columns referring to the direction of rotation of the column wheel
  • trailing edge of the columns will be trailing edge.
  • the columns also have an outer face (facing the outside of the column wheel) and an inner face (facing the hub 46). The outer face and the inner face meet at the leading edge and at the trailing edge.
  • the profile of the columns draws a circular arc substantially concentric with the column wheel. While at the inner face, the profile of the columns has a larger radius of curvature in the trailing edge region than in the leading edge region (as is the case with an airplane wing). classic).
  • ⁇ is defined by the angle that the inside faces with the outside face of a column in the region of the leading edge, and by ⁇ the angle made by the inside face with the outside face of a column. in the region of the trailing edge.
  • the two angles ⁇ and ⁇ are actually very rounded.
  • the fact that the angle ⁇ is very rounded has the advantage of facilitating the progression of the nozzle of a lever cooperating with the column during operation of the chronograph mechanism.
  • the angle ⁇ the fact that the angle is rounded does not really have any technical effect, and according to one variant, the angle ⁇ could be sharp.
  • the angles ⁇ and ⁇ are respectively 58 degrees and 31 degrees.
  • the angle ⁇ may vary, but it is preferably between 55 and 65 degrees.
  • the angle ⁇ depends on the number of columns in the column wheel, and it will preferably be smaller when the columns are more numerous. However, the angle ⁇ will preferably be between 25 and 35 degrees.
  • the width of a column 44 naturally depends on the number of columns contained in the column wheel 40.
  • the columns of the column wheel are wider than the openings arranged between the columns.
  • FIGS 3 to 8 are bottom-side views of a watch movement according to a particular embodiment of the present invention.
  • the watch movement shown is intended to be integrated into a wristwatch. Under these conditions, the crown-push which is represented at the top in the figures, would actually be at three o'clock if one looked at the dial side of a wristwatch containing the movement. It will therefore be understood that since Figures 3 to 8 are bottom-side views, the "noon" position of the watch is on the right side of the figures, and the hour turn extends counter-clockwise in the figures.
  • the Figures 3 to 8 represent the same chronograph mechanism according to a particular embodiment of the present invention at different phases of a complete cycle of its operation.
  • the chronograph mechanism shown comprises in particular a chronograph wheel 1, a clutch rocker 4 having a spout adapted to cooperate with the column wheel, an oscillating pinion 2 pivoted on a control lever. clutch 3, and two springs (referenced respectively 5a and 5b).
  • the clutch lever is arranged to pivot in either direction so as to alternately produce the disengagement or engagement of the gear of the oscillating gear 2 with that of the chronograph wheel 1.
  • the pivoting of the gear lever clutch 3 has the function of allowing the stopping and restarting of the chronograph.
  • the oscillating pinion 2 is driven permanently by the second mobile of the movement train (no represent). Under these conditions, when the chronograph wheel is engaged with the pinion 2, it is driven, and when the oscillating pinion is disengaged from its toothing, the chronograph wheel is disengaged.
  • the function of the spring 5a is to return the clutch lever, and the oscillating pinion which it bears, against the chronograph wheel.
  • the spring 5b it is arranged to recall the nose of the clutch rocker against the column wheel.
  • the clutch rocker 4 carries, at the end opposite the spout, a pin 6 provided to cooperate with a corresponding end of the clutch lever 3. It can be seen first of all that when the tip of the rocker 4 is lowered between two columns, as shown on the figures 4 and 5 in particular, the pin 6 is spaced from the clutch lever. Under these conditions, nothing prevents the spring 5a meshes the oscillating pinion 2 with the toothing of the chronograph wheel 1.
  • the chronograph mechanism shown further comprises a minute counter wheel 15 and an intermediate wheel 12.
  • the counter wheel 15 is driven by the chronograph wheel 1 via the wheel 12.
  • the axis of the chronograph wheel is that of the minute counter wheel both carry a reset heart (referenced respectively 7 and 17).
  • a hammer with two inclines is provided to cooperate with the two hearts.
  • This hammer is formed of a reset rocker 10 and a movable tip in the form of a spreader 9.
  • the movable tip is articulated on one end of the rocker 10 and has two inclined 8a, 8b which are provided to cooperate each with one of the two hearts 7, 17.
  • the reset rocker 10 is arranged to pivot, in one direction to lower the hammer against the hearts, or in the other direction to lift the hammer.
  • a spring 19 is still arranged to return the hammer against the hearts 7, 17 in the rest position.
  • the column wheel 40 which controls the tilting of the hammer.
  • the chronograph mechanism of the present example further comprises a brake constituted by a brake lever 30, one end of which carries a shoe 32 designed to immobilize the chronograph wheel 1 by acting on its periphery.
  • the brake rocker 30 is arranged to rotate alternately between a raised position where the pad 32 is held away from the chronograph wheel is a lowered position where the pad blocks the chronograph wheel.
  • a spring (not shown) is further arranged to recall the pad 32 against the chronograph wheel in the rest position.
  • it is also the column wheel 40 which controls the pivoting of the brake lever 30.
  • the chronograph mechanism of the invention further comprises a mechanism for controlling the column wheel.
  • This mechanism is a push mechanism.
  • the push mechanism is arranged to incrementally increment the angular position of the column wheel 40, when a user actuates the push button repeatedly.
  • the column wheel 40 is under the action of a column wheel jumper (referenced 50 in the figures 3 and 6 ) pressing against the teeth of the ratchet (referenced 42 in the Figures 9 and 10 ) so as to keep the column wheel in a stable position.
  • the push mechanism which, in the example shown, connects the button 67 of a push ring 65 to the column wheel 40 comprises a pawl 52, a pawl spring 54, a control lever 56, an intermediate lever of control 58 and a control spring 60.
  • the pusher ring 65 is arranged at "3 o'clock" at the periphery of the movement and is associated with a winding and setting rod (not shown) which extends towards the center of the movement.
  • the intermediate lever 58 is pivoted on the frame at "4 o'clock" and its slightly curved shape allows it to extend substantially along the periphery of the movement in the interval between "4 to 2 hours".
  • the intermediate lever at 3 o'clock a tongue 62 which is rotated towards the crown-push.
  • This tongue is bent at an angle of about 90 ° towards the dial side of the movement.
  • the tongue thus forms a flag that is approximately facing the crown-push.
  • the pusher has a bearing surface 69 which is arranged to press against the flag so as to actuate the intermediate lever of the control mechanism when the push button is actuated.
  • the control rocker 56 is pivoted on the frame at 1 o'clock and its slightly curved shape allows it to extend substantially along the periphery of the movement to near the push ring.
  • the control spring 60 is arranged to cooperate with the control rocker 56 so as to return the free end of the latter towards the periphery of the movement.
  • the free end of the rocker 56 carries a stepped post 57 arranged to cooperate with the distal end of the intermediate lever 58. It will therefore be understood that the pin 57 allows the spring 60 to permanently push the distal end lever 58 to the outside of the movement. It will further be understood that, conversely, when a user pivots the lever 58 by pressing the pusher, this also has the effect of pivoting the control lever 56.
  • the free end of the control rocker 56 carries the control rocker pawl (referenced 52).
  • the pawl 52 is pivoted freely on the end of the rocker and is pressed against the ratchet toothing 42 of the column wheel by the pawl spring 54.
  • the pawl 52 is thus arranged to cooperate with the teeth of the ratchet 42, and when under the effect of a pressure on the pusher, the end of the control rocker 56 is pivoted towards the center of the movement, the pawl 52 accompanies the movement by advancing the column wheel of the value of a ratchet tooth.
  • the control spring 60 returns to its rest position at the rocker 56 and the lever 58.
  • the pawl 52 also slides backwards by sliding on the incline of a tooth of ratchet. The ratchet is thus ready to actuate the next tooth, when the next push on the pusher.
  • the chronograph mechanism stopped, after being reset. All the elements of the chronograph mechanism are stopped except for the oscillating pinion 2 which is permanently driven by the watch movement (the direction of rotation of the oscillating pinion is indicated by the arrow).
  • the figure 4 illustrates the moment when the chronograph mechanism is turned on.
  • the button 67 of the push-button is depressed and the intermediate lever 58 and the control lever 56 have pivoted towards the center of the movement by driving the pawl 52.
  • This movement of the pawl advances the column wheel 40 by 30 ° clockwise.
  • the rotation of 30 ° of the column wheel has the effect, on the one hand, to raise the spout of the reset lever 10, pivoting it so as to lift the hammer and to release the cores 7, 17.
  • the rotation of the column wheel also has the effect of plunging the nose of the clutch rocker 4 into the space between two columns (referenced 44 on the Figures 9 and 10 ).
  • the figure 5 shows the chronograph mechanism in operation.
  • the button 67 of the pusher ring 65 has returned to its rest position, as are also the intermediate lever 58 and the control lever 56.
  • the pawl 52 has also turned back, and is ready to actuate the next tooth when the pusher will be operated again.
  • the chronograph wheel 1, the intermediate wheel 12 and the minute counter wheel 15 are rotated by the oscillating gear 2 in the direction indicated by the arrows in the figure.
  • the figure 6 illustrates the moment of stop of the chronograph mechanism.
  • the push-button 67 is depressed and the intermediate lever 58 and the control lever 56 have again pivoted towards the center of the movement by driving the pawl 52 and rotating a again the column wheel of 30 °.
  • This new incrementation of the column wheel has the effect, on the one hand, to raise the spout of the clutch lever 4, causing the oscillating pinion 2 to disengage from the chronograph wheel 1.
  • the rotation of the column wheel also has the effect of plunging the nose of the brake lever 30 in the space between two columns 44 by pivoting the rocker. As seen above, the pivoting of the rocker 30 lowers the pad 32 against the chronograph wheel 1, so that the pad blocks the chronograph wheel.
  • the figure 7 shows the stopped chronograph mechanism.
  • the push-button button 65 has returned to its rest position, as are also the intermediate lever 58 and the control lever 56.
  • the pawl 52 has also turned back, and is ready to actuate the next tooth when the pusher will be operated again.
  • the shoe 32 of the brake lever 30 retains the chronograph wheel 1, and the minute counter wheel 15, in the position in which the mechanism of chronograph was stopped, allowing the reading of the time elapsed between the start and stop of the chronograph mechanism.
  • the figure 8 illustrates the moment of resetting the chronograph mechanism.
  • the button 67 is depressed and the intermediate lever 58 as well as the control lever 56 have again pivoted towards the center of the movement by driving the pawl 52 and by incrementing again the column wheel of 30 °.
  • This new displacement of the column wheel has the effect, on the one hand, to raise the spout of the brake lever 30, causing the shoe 32 to move away from the chronograph wheel 1.
  • the rotation of the column wheel also has the effect of plunging the tip of the reset rocker 10 in the space between two columns 44, thus pivoting the rocker.
  • This pivoting of the rocker has the effect of lowering the two inclined 8a and 8b of the hammer respectively against the two cores 7, 17, so as to bring the chronograph wheel 1 and the minute counter wheel 15 to their starting positions. respectively.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Transmission Devices (AREA)
EP11192668.9A 2011-12-08 2011-12-08 Schaltrad und Mechanismus für einen Chronographen, der ein solches Rad umfasst Active EP2602672B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP11192668.9A EP2602672B1 (de) 2011-12-08 2011-12-08 Schaltrad und Mechanismus für einen Chronographen, der ein solches Rad umfasst
US13/693,689 US8920021B2 (en) 2011-12-08 2012-12-04 Column wheel and chronograph mechanism including the same
CN201210526521.1A CN103163776B (zh) 2011-12-08 2012-12-07 导柱轮和包括该导柱轮的计时机构
RU2012152917/12A RU2603590C2 (ru) 2011-12-08 2012-12-07 Колонное колесо и механизм хронографа, содержащий колонное колесо
JP2012267863A JP5443579B2 (ja) 2011-12-08 2012-12-07 コラムホイール及びこれを含むクロノグラフ機構
HK13113953.3A HK1186535A1 (zh) 2011-12-08 2013-12-16 導柱輪和包括該導柱輪的計時機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11192668.9A EP2602672B1 (de) 2011-12-08 2011-12-08 Schaltrad und Mechanismus für einen Chronographen, der ein solches Rad umfasst

Publications (2)

Publication Number Publication Date
EP2602672A1 true EP2602672A1 (de) 2013-06-12
EP2602672B1 EP2602672B1 (de) 2014-07-16

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Application Number Title Priority Date Filing Date
EP11192668.9A Active EP2602672B1 (de) 2011-12-08 2011-12-08 Schaltrad und Mechanismus für einen Chronographen, der ein solches Rad umfasst

Country Status (6)

Country Link
US (1) US8920021B2 (de)
EP (1) EP2602672B1 (de)
JP (1) JP5443579B2 (de)
CN (1) CN103163776B (de)
HK (1) HK1186535A1 (de)
RU (1) RU2603590C2 (de)

Cited By (7)

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Publication number Priority date Publication date Assignee Title
EP3002643A3 (de) * 2014-10-03 2016-07-20 Breitling AG Chronographenmechanismus mit schaltrad
KR20180101519A (ko) * 2016-01-15 2018-09-12 폴브룩 인텔렉츄얼 프로퍼티 컴퍼니 엘엘씨 연속 가변 변속기에서 롤백을 제어하기 위한 시스템 및 방법
US11454303B2 (en) 2005-12-09 2022-09-27 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US11530739B2 (en) 2019-02-26 2022-12-20 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions
US11598397B2 (en) 2005-12-30 2023-03-07 Fallbrook Intellectual Property Company Llc Continuously variable gear transmission
US11624432B2 (en) 2018-11-06 2023-04-11 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
US11667351B2 (en) 2016-05-11 2023-06-06 Fallbrook Intellectual Property Company Llc Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmission

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EP3968094A1 (de) * 2020-09-09 2022-03-16 Omega SA Wahlmechanismus eines uhrwerks
EP4310606A1 (de) 2022-07-19 2024-01-24 Chopard Technologies SA Chronographenmechanismus mit drei takten und verfahren zur herstellung und umwandlung von chronographenmechanismen mit zwei und drei takten

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US826444A (en) * 1905-05-24 1906-07-17 Joseph Petrillo Stop-watch.
EP2228692A1 (de) * 2009-03-12 2010-09-15 ETA SA Manufacture Horlogère Suisse Schaltrad für Chronograph, Chronograph und Taschenchronograph, der ein solches Rad umfasst

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EP1746471B1 (de) * 2005-07-20 2019-09-18 Breitling AG Null-Rückstellungsvorrichtung für zwei Zeitzähler
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CH6505A (fr) * 1893-04-12 1893-11-30 Paul Perret Mécanisme de seconde au centre, indépendante et chronographe pour montres
US826444A (en) * 1905-05-24 1906-07-17 Joseph Petrillo Stop-watch.
EP2228692A1 (de) * 2009-03-12 2010-09-15 ETA SA Manufacture Horlogère Suisse Schaltrad für Chronograph, Chronograph und Taschenchronograph, der ein solches Rad umfasst

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11454303B2 (en) 2005-12-09 2022-09-27 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US11598397B2 (en) 2005-12-30 2023-03-07 Fallbrook Intellectual Property Company Llc Continuously variable gear transmission
EP3002643A3 (de) * 2014-10-03 2016-07-20 Breitling AG Chronographenmechanismus mit schaltrad
EP3002643B1 (de) 2014-10-03 2017-06-28 Breitling AG Chronographenmechanismus mit schaltrad
KR20180101519A (ko) * 2016-01-15 2018-09-12 폴브룩 인텔렉츄얼 프로퍼티 컴퍼니 엘엘씨 연속 가변 변속기에서 롤백을 제어하기 위한 시스템 및 방법
US11667351B2 (en) 2016-05-11 2023-06-06 Fallbrook Intellectual Property Company Llc Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmission
US11624432B2 (en) 2018-11-06 2023-04-11 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
US11530739B2 (en) 2019-02-26 2022-12-20 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions

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JP5443579B2 (ja) 2014-03-19
US20130148475A1 (en) 2013-06-13
EP2602672B1 (de) 2014-07-16
RU2012152917A (ru) 2014-06-20
JP2013120189A (ja) 2013-06-17
RU2603590C2 (ru) 2016-11-27
US8920021B2 (en) 2014-12-30
HK1186535A1 (zh) 2014-03-14
CN103163776B (zh) 2015-09-16
CN103163776A (zh) 2013-06-19

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