NL2029135B1 - A mechanical watch - Google Patents

A mechanical watch Download PDF

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Publication number
NL2029135B1
NL2029135B1 NL2029135A NL2029135A NL2029135B1 NL 2029135 B1 NL2029135 B1 NL 2029135B1 NL 2029135 A NL2029135 A NL 2029135A NL 2029135 A NL2029135 A NL 2029135A NL 2029135 B1 NL2029135 B1 NL 2029135B1
Authority
NL
Netherlands
Prior art keywords
masses
frame
mechanical watch
flexural members
vibratory
Prior art date
Application number
NL2029135A
Other languages
Dutch (nl)
Inventor
Pieter Lustig Maarten
Original Assignee
Flexous Mech Ip B V
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 Flexous Mech Ip B V filed Critical Flexous Mech Ip B V
Priority to NL2029135A priority Critical patent/NL2029135B1/en
Priority to EP22194238.6A priority patent/EP4145228A1/en
Application granted granted Critical
Publication of NL2029135B1 publication Critical patent/NL2029135B1/en

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Classifications

    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs

Abstract

A mechanical watch comprising an oscillator (1) embodied with a frame (5) supporting a vibratory mass or masses (2, 3), wherein 5 each vibratory mass (2, 3) connects to at least one flexural member (6—13), the watch further comprising an escape wheel (14), and anchor teeth (15, 16) that are indirectly connected with the vibratory mass or masses (2, 3), which anchor teeth (15, 16) cooperate with the escape wheel (14), wherein motions 10 of the anchor teeth (15, 16) depend on motions of one or more of the flexural members (10, 11, 12, 13) that provide connections between the vibratory masses (2, 3) without said flexural members (10, 11, 12, 13) connecting directly to the frame (5), wherein said flexural members (10, 11, 12, 13) that provide 15 connections between the vibratory masses (2, 3) without connecting directly to the frame (5) support a movable rigid portion (4) which is suspended from the movable masses (2, 3) through said flexural members (10, 11, 12, 13).

Description

A mechanical watch
The invention relates to a mechanical watch comprising an oscillator embodied with a frame supporting a vibratory mass or masses, wherein each vibratory mass connects to at least one flexural member, the watch further comprising an escape wheel, and anchor teeth that are indirectly connected with the vibratory mass or masses, which anchor teeth cooperate with the escape wheel, wherein motions of the anchor teeth depend on motions of one or more of the flexural members that provide connections between the vibratory masses without said flexural members connecting directly to the frame.
Such a mechanical watch is disclosed by NL 2024076 in the name of the applicant.
Although the known mechanical watch operates quite satisfactory, the inventors have strived for further simplification, without compromising qualities such as robustness against shocks, and accuracy of the mechanical watch.
According to the invention a mechanical watch is now proposed with the features of one or more of the appended claims.
Although different embodiments according to the invention are feasible, a joint feature of all embodiments is that said flexural members that provide connections between the vibratory masses without connecting directly to the frame are free from rigid sections and support a movable rigid portion of the oscillator that is separate from the flexural members, which movable rigid portion is suspended from the movable masses through said flexural members that are free from rigid sections.
This movable rigid portion adds a mass to the mechanical watch, which mass of the rigid portion together with the said flexural members can be entirely tailored to a desired operational frequency of movement of the anchor teeth, together with an improved robustness against external shocks.
The invention opens a window of possibilities in the design of the mechanical watch.
In one embodiment the anchor teeth are directly provided on the movable rigid portion supported by said flexural members that provide connections between the vibratory masses without connecting directly to the frame. In this embodiment it is
- 2 = preferable that the flexural members that provide connections between the vibratory masses without said flexural members connecting directly to the frame, comprise parallel flexural members. This provides better rotational stiffness for accuracy and may also save space.
In another embodiment the anchor teeth are directly provided on said flexural members that provide connections between the vibratory masses without connecting directly to the frame.
Desirably in the latter embodiment the anchor teeth are provided on separate flexural members.
The invention will hereinafter be further elucidated with reference to the drawing of exemplary embodiments of elements of a mechanical watch according to the invention that is not limiting as to the appended claims.
In the drawing: — figure 1 schematically shows different parts of a mechanical watch according to the prior art in a top view; and — figures 2-4 schematically show different parts of three different embodiments of a mechanical watch according to the invention in a top view.
Wherever in the figures the same reference numerals are applied, these numerals refer to the same or similar parts.
Having deleted parts that are not essential to understanding of the prior art or the invention, the figures 1- 4 depict features of the watch of the prior art and according to the invention.
For a good understanding of the invention, hereinafter first a brief discussion of the prior art mechanical watch will be provided with reference to figure 1. Figure 1 depicts a mechanical watch comprising an oscillator 1 embodied with vibratory masses 2, 3 mounted on a frame 5, wherein each of the masses 2, 3 connects to at least one flexural member 6-13. Figure 1 shows the application of two masses 2, 3, but this number is arbitrary; there should at least be one vibratory mass.
The watch further comprises an escape wheel 14, and anchor teeth 15, 16 that are indirectly connected with the vibratory mass or masses 2, 3. The anchor teeth 15, 16 cooperate with the
- 3 = escape wheel 14, wherein motions of the anchor teeth 15, 16 depend on motions of one or more of those flexural members 10, 11, 12, 13 that provide connections between the vibratory masses 2, 3 without said flexural members 10, 11, 12, 13 connecting directly to the frame 5. In order to realize that the motions of the anchor teeth 15, 16 depend on motions of one or more of said flexural members 10, 11, 12, 13, the anchor teeth 15, 16 of the prior art mechanical watch are directly mounted on flexural members 11, 12 that form part of the flexural members 10, 11, 12, 13 that provide connections between the vibratory masses 2, 3 without said flexural members 11, 12 connecting directly to the frame 5.
Some of the above features discussed with reference to the prior art mechanical watch shown in figure 1, are also applied in the mechanical watch of the invention as depicted in figures 2-4. In particular, with reference to the embodiments shown in figures 2-4, this relates to features that the watch of the invention comprises an oscillator 1 embodied with a frame 5 supporting a vibratory mass or masses 2, 3, wherein each vibratory mass 2, 3 connects to at least one flexural member 6- 13, and that the watch further comprises an escape wheel 14, and anchor teeth 15, 16 that are indirectly connected with the vibratory mass or masses 2, 3. The anchor teeth 15, 16 cooperate with the escape wheel 14, wherein motions of the anchor teeth 15, 16 depend on motions of a selection of one or more of the flexural members 10, 11, 12, 13 that provide connections between the vibratory masses 2, 3 without said flexural members 10, 11, 12, 13 connecting directly to the frame 5.
Common to all three embodiments of the invention shown in figures 2-4, is that the selection of said flexural members 10, 11, 12, 13 that provide connections between the vibratory masses 2, 3 without connecting directly to the frame 5 are free from rigid sections and support a movable rigid portion 4 of the oscillator 1 that is separate from the flexural members 10, 11, 12, 13, which movable rigid portion 4 is suspended from the movable masses 2, 3 through said flexural members 10, 11, 12, 13 that are free from rigid sections. This is depicted in figure 2, figure 3 and figure 4.
In the embodiments of figure 2 and figure 4 the anchor teeth 15, 16 are directly provided on the separate movable rigid portion 4.
In the embodiment of figure 2 the movable rigid portion 4 is supported by parallel flexural members 10, 11 and parallel flexural members 12, 13 that provide connections between the vibratory masses 2, 3 through the movable rigid portion 4 without said flexural members 10, 11, 12, 13 connecting directly to the frame 5.
In the embodiment of figure 4 the movable rigid portion 4 is supported by single flexural members 11, 12 that provide connections between the vibratory masses 2, 3 through the movable rigid portion 4 without said flexural members 11, 12 connecting directly to the frame 5.
In the embodiment of figure 3 the anchor teeth 15, 16 are directly provided on the single flexural members 11, 12 that provide connections between the vibratory masses 2, 3 through the movable rigid portion 4 without said flexural members 11, 12 connecting directly to the frame 5. In this embodiment the anchor teeth 15, 16 are provided on separate flexural members 11, 12.
Although the invention has been discussed in the foregoing with reference to exemplary embodiments of the mechanical watch of the invention, the invention is not restricted to these particular embodiments which can be varied in many ways without departing from the invention. The discussed exemplary embodiments shall therefore not be used to construe the appended claims strictly in accordance therewith. On the contrary the embodiments are merely intended to explain the wording of the appended claims without intent to limit the claims to these exemplary embodiments. The scope of protection of the invention shall therefore be construed in accordance with the appended claims only, wherein a possible ambiguity in the wording of the claims shall be resolved using this exemplary embodiment.
Aspects of the invention are itemized in the following section. 1. A mechanical watch comprising an oscillator (1) embodied with a frame (5) supporting a vibratory mass or masses {2, 3), wherein each vibratory mass (2, 3) connects to at least
— 5 = one flexural member (6-13), the watch further comprising an escape wheel (14), and anchor teeth (15, 16) that are indirectly connected with the vibratory mass or masses (2, 3}, which anchor teeth (15, 16) cooperate with the escape wheel (14), wherein motions of the anchor teeth (15, 16) depend on motions of one or more of the flexural members (10, 11, 12, 13) that provide connections between the vibratory masses (2, 3) without said flexural members (10, 11, 12, 13) connecting directly to the frame (5), characterized in that said flexural members (10, 11, 12, 13) that provide connections between the vibratory masses (2, 3) without connecting directly to the frame (5) are free from rigid sections and support a movable rigid portion (4) of the oscillator (1) that is separate from the flexural members (10, 11, 12, 13), which movable rigid portion (4) is suspended from the movable masses (2, 3) through said flexural members (10, 11, 12, 13) that are free from rigid sections.
2. The mechanical watch according to claim 1, characterized in that the flexural members (10, 11, 12, 13) that provide connections between the vibratory masses (2, 3) without said flexural members (10, 11, 12, 13) connecting directly to the frame (5) comprise parallel flexural members (10, 11 and 12, 13). 3. The mechanical watch according to claim 1 or 2, characterized in that the anchor teeth (15, 16) are directly provided on the movable rigid portion (4) supported by said flexural members (10, 11, 12, 13) that provide connections between the vibratory masses (2, 3) without connecting directly to the frame (5). 4. The mechanical watch according to the preamble of claim 1, characterized in that the anchor teeth (15, 16) are directly provided on said flexural members (11, 12) that provide connections between the vibratory masses (2, 3) without connecting directly to the frame (5). 5. Mechanical watch according to claim 4, characterized in that the anchor teeth (15, 16) are provided on separate flexural members (11, 12).

Claims (5)

CONCLUSIESCONCLUSIONS 1. Een mechanisch horloge omvattende een oscillator (1) belichaamd met een frame (5) dat een trillingsmassa of -massa's (2, 3) ondersteunt, waarbij elke trillingsmassa (2, 3) is verbonden met ten minste één buigorgaan (6-13), welk horloge verder een ontsnappingswiel (14) omvat, en ankertanden (15, 16) die indirect verbonden zijn met de trillingsmassa of massa's (2, 3), welke ankertanden (15, 16) samenwerken met het ontsnappingswiel (14), waarbij bewegingen van de ankertanden (15, 16) afhangen van bewegingen van een of meer van de buigorganen (10, 11, 12, 13) die zorgen voor verbindingen tussen de trillingsmassa's (2, 3) zonder dat de buigelementen (10, 11, 12, 13) rechtstreeks verbonden zijn met het frame (5), met het kenmerk, dat de buigelementen (10, 11, 12, 13) die verbindingen tussen de trillingsmassa's (2, 3) verschaffen zonder rechtstreeks verbonden te zijn met het frame (5) vrij zijn van stijve secties en een beweegbaar stijf deel (4) van de oscillator (1) ondersteunen dat gescheiden is van de buigzame delen (10, 11, 12, 13), welk beweegbaar stijf deel (4) is opgehangen aan de beweegbare massa's (2, 3) door middel van de buigzame delen (10, 11, 12, 13) die vrij zijn van stijve secties.A mechanical watch comprising an oscillator (1) embodied with a frame (5) supporting a vibration mass or masses (2, 3), each vibration mass (2, 3) being connected to at least one flexor (6-13 ), the watch further comprising an escape wheel (14), and anchor cogs (15, 16) indirectly connected to the vibration mass or masses (2, 3), the anchor cogs (15, 16) cooperating with the escape wheel (14), wherein movements of the anchor teeth (15, 16) depend on movements of one or more of the bending members (10, 11, 12, 13) which provide connections between the vibration masses (2, 3) without the bending elements (10, 11, 12 , 13) are directly connected to the frame (5), characterized in that the bending elements (10, 11, 12, 13) provide connections between the vibration masses (2, 3) without being directly connected to the frame (5 ) are free of rigid sections and support a movable rigid part (4) of the oscillator (1) separate from the flexible parts (10, 11, 12, 13), which movable rigid part (4) is suspended from the movable masses (2, 3) by means of the flexible parts (10, 11, 12, 13) which are free of rigid sections. 2. Mechanisch horloge volgens conclusie 1, met het kenmerk, dat de buigzame delen (10, 11, 12, 13) die zorgen voor verbindingen tussen de trillingsmassa's (2, 3) zonder dat deze buigzame delen (10, 11, 12, 13) rechtstreeks op het frame (5) aansluiten, parallelle buigzame delen (10, 11 en 12, 13) omvatten.A mechanical watch according to claim 1, characterized in that the flexible parts (10, 11, 12, 13) which provide connections between the oscillating masses (2, 3) without these flexible parts (10, 11, 12, 13 ) connect directly to the frame (5), include parallel flexible parts (10, 11 and 12, 13). 3. Mechanisch horloge volgens conclusie 1 of 2, met het kenmerk, dat de ankertanden (15, 16) direct zijn aangebracht op het beweegbare stijve gedeelte (4) dat wordt ondersteund door de buigzame delen (10, 11, 12, 13) die zorgen voor verbindingen tussen de trilmassa's (2, 3) zonder rechtstreeks met het frame {5) verbonden te zijn.A mechanical watch according to claim 1 or 2, characterized in that the anchor teeth (15, 16) are mounted directly on the movable rigid part (4) supported by the flexible parts (10, 11, 12, 13) which provide connections between the vibration masses (2, 3) without being directly connected to the frame {5). 4. Mechanisch horloge volgens de aanhef van conclusie 1, met het kenmerk, dat de ankertanden (15, 16) direct zijn aangebracht op de buigelementen (11, 12) die zorgen voor verbindingen tussen de trillingsmassa's (2, 3) zonder direct met het frame (5) verbinding te maken.A mechanical watch according to the preamble of claim 1, characterized in that the anchor teeth (15, 16) are arranged directly on the bending elements (11, 12) providing connections between the oscillating masses (2, 3) without direct contact with the frame (5). 5. Mechanisch horloge volgens conclusie 4, met het kenmerk, dat de ankertanden (15, 16) op afzonderlijke buigzame delen {11, 12) zijn aangebracht.A mechanical watch according to claim 4, characterized in that the anchor teeth (15, 16) are arranged on separate flexible parts {11, 12).
NL2029135A 2021-09-06 2021-09-06 A mechanical watch NL2029135B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL2029135A NL2029135B1 (en) 2021-09-06 2021-09-06 A mechanical watch
EP22194238.6A EP4145228A1 (en) 2021-09-06 2022-09-06 A mechanical watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2029135A NL2029135B1 (en) 2021-09-06 2021-09-06 A mechanical watch

Publications (1)

Publication Number Publication Date
NL2029135B1 true NL2029135B1 (en) 2023-03-21

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ID=78212588

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2029135A NL2029135B1 (en) 2021-09-06 2021-09-06 A mechanical watch

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NL (1) NL2029135B1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2831677A1 (en) * 2012-03-29 2015-02-04 Nivarox-FAR S.A. Flexible escapement mechanism having a mobile frame
EP3548973A1 (en) * 2016-12-01 2019-10-09 LVMH Swiss Manufactures SA Device for a timepiece, timepiece movement and timepiece comprising such a device
CH716751A2 (en) * 2019-10-22 2021-04-30 Flexus Mech Ip B V Mechanical wrist watch with an oscillator.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2831677A1 (en) * 2012-03-29 2015-02-04 Nivarox-FAR S.A. Flexible escapement mechanism having a mobile frame
EP3548973A1 (en) * 2016-12-01 2019-10-09 LVMH Swiss Manufactures SA Device for a timepiece, timepiece movement and timepiece comprising such a device
CH716751A2 (en) * 2019-10-22 2021-04-30 Flexus Mech Ip B V Mechanical wrist watch with an oscillator.
NL2024076B1 (en) 2019-10-22 2021-07-13 Flexous Mech Ip B V A mechanical watch

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Publication number Publication date
EP4145228A1 (en) 2023-03-08

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