EP0341583B1 - Aufstellbare Pendeluhr - Google Patents

Aufstellbare Pendeluhr Download PDF

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Publication number
EP0341583B1
EP0341583B1 EP89108095A EP89108095A EP0341583B1 EP 0341583 B1 EP0341583 B1 EP 0341583B1 EP 89108095 A EP89108095 A EP 89108095A EP 89108095 A EP89108095 A EP 89108095A EP 0341583 B1 EP0341583 B1 EP 0341583B1
Authority
EP
European Patent Office
Prior art keywords
clock
zone
back cover
convex surface
center
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.)
Expired - Lifetime
Application number
EP89108095A
Other languages
English (en)
French (fr)
Other versions
EP0341583A1 (de
Inventor
Pierre-André Noirjean
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 Fabriques dEbauches
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 Fabriques dEbauches filed Critical Eta SA Fabriques dEbauches
Priority to AT89108095T priority Critical patent/ATE75059T1/de
Publication of EP0341583A1 publication Critical patent/EP0341583A1/de
Application granted granted Critical
Publication of EP0341583B1 publication Critical patent/EP0341583B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/03—Alarm signal stop arrangements
    • 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
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1473—Supports and feet for supporting the clockwork

Definitions

  • the present invention relates to table clocks of the type whose case has rounded shapes and is arranged to be able to occupy two positions of stable equilibrium, a first in which the dial is hidden, and a second in which the dial is visible, the pendulum then being supported on the back of the case.
  • a clock of this type is described in the utility model DE 1 833 188.
  • the case of this clock has a crystal and a bottom in the shape of a hemispherical cap.
  • This clock has a ballast mass in its lower part, so as to ensure a stable equilibrium position when it rests on its bottom.
  • the contact region in this second position of stable equilibrium is flattened in its main embodiment. This characteristic is considered here as advantageous, because the aim is to ensure a stable equilibrium position, in which the clock is brought back quickly whatever the initial position in which it is placed on the cap serving as its bottom. The clock thus produced therefore has great stability.
  • Document CH-A-4141/72 also discloses a kind of clock having an outer casing whose general shape is that of a body of revolution.
  • the case has two flats, one of which is parallel to the plane of the dial. These two flats define two positions of stable equilibrium in which the dial is visible.
  • it is necessary to apply a force such that the resultant defined by this force and the weight of the clock is on a straight line leaving the bearing surface.
  • An object of the present invention is to produce, unlike the first document mentioned, a very mobile clock around a single stable equilibrium position where the dial is visible.
  • the clock described in this first document has a chunky and heavy appearance.
  • Another object of the present invention is to produce a part having a lighter shape.
  • the clock shown has a housing 10 with a crystal 12, a bezel 14 and a bottom 16. Inside this housing are display means comprising a dial 18 and hands 20, as well as a movement causing the hands 20. This movement is powered by a battery 22. It includes an alarm function, controlled by a gravitational switch schematically represented at 24.
  • the slightly curved glass 12 is fixed to the bezel 14.
  • the latter are both of circular shape.
  • the outer contour of the profile of the bezel 14 is approximately in a quarter of a circle.
  • the edge of this bezel 14 rests contiguously against the edge of the bottom 16.
  • the latter is in the shape of a cap, that is to say having a curved and convex surface.
  • the shape of this background will be defined more precisely below.
  • the housing 10 thus defined therefore has rounded shapes which make it pleasant to see and to touch.
  • the bottom 16 In section perpendicular to the dial, by the axis "12h” - “6h", corresponding to the profile view of FIG. 2, the bottom 16 has a first arc 26, the center 01 of which is at the front of the dial 18, below the axis passing through its center. This arc 26 is connected to the edge of the bottom 16, on the twelve o'clock side, by a second circular arc 28 of small radius, centered at the right of the edge of the bottom 16, in order to ensure the connection to the bezel 14.
  • Figure 2 shows that the other end of the arc 26 is connected to a third arc 30, of smaller radius.
  • the center 02 of the arc 30 is inside the bottom 16.
  • This arc 30 is part of a protruding zone 31 of the bottom 16, described in detail below.
  • the other end of the arc 30 is connected to a straight segment 32, itself connected to the edge of the bottom 16 by an arc of a circle 34, corresponding to the arc 28.
  • the bottom 16 has a cap shape consisting of a juxtaposition of portions of ellipsoids, cone and torus, these portions together defining a continuous curved surface. In this way, the neighboring portions are substantially tangent to each other.
  • the region adjacent to segment 32 is defined by a portion of cone 33 generated by segment 32 rotating around the axis of the needles.
  • the edge of the bottom 16, represented in FIG. 2 by the arcs 28 and 34 has the shape of a torus segment whose generating axis coincides with that of the needles.
  • the other parts of the bottom 16 are defined by a left surface which can be broken down into a plurality of portions of ellipsoids. All the portions are arranged so that they are substantially tangent to each other.
  • the protruding zone of which the arc 30 is a part is defined by a portion of a sphere whose radius is substantially less than the mean radius of the neighboring zone.
  • the ratio between these radii is typically equal to 1/3.
  • the bottom 16 of the housing 10 is constituted by a continuous surface, without sharp edges. It has in the middle of its width and in its lower half a first zone defined by a first convex surface 31 on which the pendulum rests in its second equilibrium position and a second zone defined by a second convex surface 38 and surrounding the first zone .
  • the mean radius of curvature of the first surface is less than the mean radius of curvature of the second surface.
  • the second surface 38 comprises, in its part lying between the first zone and the lower edge of the housing, a flat defined by the cone portion and adjoining a protruding zone.
  • the profile of the bottom 16 of the case is naturally closer to the dial 18 than in the section passing through the axis "12h” - “6h” of the latter. It follows that the surface of the bottom 16 is entirely within a semi-spherical surface centered in the plane of the edge of the bottom 16, at the intersection with the axis of the needles, and of equal diameter to that of the edge of this bottom, that is to say equal to the diameter of the case itself.
  • the bottom 16 thus has a relatively flat shape, which gives it elegance.
  • a first stable equilibrium position of the pendulum described is that in which the glass 12 or the bezel 14 rests on a flat support (work table, desk, night table, etc.). In this position, the dial 18 is obviously hidden.
  • the dial 18 In the second stable equilibrium position, shown in Figure 3, the dial 18 is tilted. It is located approximately in a plane perpendicular to the axis of vision of a person seated at the table on which the clock rests.
  • the clock is provided with a counterweight 36 housed in the lower part of the housing 10, more precisely at the front and above the part of the housing 10 comprising the flat, and engaged in the bezel 14, the latter being hollow.
  • Counterweight 36 thus forms a ballast for the clock.
  • This ballast is completed by the stack 22, which is the heaviest component of the clock, and which is placed behind the dial and just above the counterweight 36.
  • the latter and the stack 22 ballast the clock so that its center of gravity G is located below point 02.
  • the mass and the position of counterweight 36 are chosen so that the straight line passing through points 02 and G forms an angle of approximately 30 with a surface tangent to the ice °.
  • This angle defines the inclination of the dial in the second equilibrium position of the clock.
  • the distance between point 02 and point G defines the frequency at which the clock oscillates when it is moved away from its second point of equilibrium. The higher the frequency, the greater the distance.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electric Clocks (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Adornments (AREA)
  • Motor Or Generator Frames (AREA)
  • Table Devices Or Equipment (AREA)
  • Massaging Devices (AREA)
  • Finger-Pressure Massage (AREA)
  • Electromechanical Clocks (AREA)
  • Catching Or Destruction (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Eye Examination Apparatus (AREA)
  • Pens And Brushes (AREA)

Claims (5)

1. Tischuhr, die ein Gehäuse (10), mit einem Glas (12) auf der Vorderseite und einem Boden (16) in Form einer Kalotte auf der Hinterseite, eine Einrichtung zum Anzeigen der Zeit (18, 20), die vom Glas (12) abgedeckt ist, und Mittel (36) zum Einstellen des Schwerpunktes (G) der Uhr aufweist, wobei die Lage des Schwerpunktes (G) eine einzige, stabile Gleichgewichtslage der Standuhr definiert, wenn diese auf ihrem Boden (16) aufsteht, wobei diese Uhr dadurch gekennzeichnet ist, daß der Boden (16) einen ersten Bereich besitzt, der durch eine erste konvexe Oberfläche (31) definiert ist, die zur Gänze abgerundet ist und die sich im wesentlichen in der unteren Hälfte des Bodens (16) befindet, wobei die Uhr in der stabilen Gleichgewichtsposition auf einem Teil (40) dieser ersten konvexen Oberfläche (31) steht, und frei um diese Stellung des stabilen Gleichgewichtes hin- und herschwingen kann, wobei der Boden (16) überdies einen zweiten Bereich besitzt, der durch eine zweite, konvexe Oberfläche (38) definiert ist, und die erste Zone miteinschließt, wobei der mittlere Krümmungsradius der ersten konvexen Oberfläche (31) kleiner ist als der mittlere Krümmungsradius der zweiten konvexen Oberfläche (38).
2. Uhr nach Anspruch 1, dadurch gekennzeichnet, daß die konvexen Oberflächen (31, 38) eine kontinuierlich gekrümmte Fläche ohne Kante bilden.
3. Uhr nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß eine Gerade, die durch den Krümmungsmittelpunkt (02) des ersten Bereiches und durch den Schwerpunkt (G) der Uhr geht, mit einer Tangentialfläche zum Glas (12) einen Winkel von etwa 30° einschließt.
4. Uhr nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Teil des zweiten Bereiches, der zwischen dem ersten Bereich und dem unteren Rand des Bodens (16) aufgenommen ist, die Form eines Teilkegels (33) aufweist.
5. Uhr nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sie mit einer Tonalarmvorrichtung, die von Hand aus einstellbar ist, und mit einem Lagefühler ausgestattet ist, der so ausgelegt ist, daß der Alarm unterbrochen wird, wenn die Uhr auf ihrer Vorderseite liegt.
EP89108095A 1988-05-10 1989-05-05 Aufstellbare Pendeluhr Expired - Lifetime EP0341583B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89108095T ATE75059T1 (de) 1988-05-10 1989-05-05 Aufstellbare pendeluhr.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1772/88 1988-05-10
CH1772/88A CH672570B5 (de) 1988-05-10 1988-05-10

Publications (2)

Publication Number Publication Date
EP0341583A1 EP0341583A1 (de) 1989-11-15
EP0341583B1 true EP0341583B1 (de) 1992-04-15

Family

ID=4218237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89108095A Expired - Lifetime EP0341583B1 (de) 1988-05-10 1989-05-05 Aufstellbare Pendeluhr

Country Status (14)

Country Link
US (1) US4884258A (de)
EP (1) EP0341583B1 (de)
JP (1) JPH0249190A (de)
KR (1) KR890017588A (de)
CN (1) CN1022349C (de)
AT (1) ATE75059T1 (de)
AU (1) AU608195B2 (de)
BR (1) BR8902157A (de)
CA (1) CA1320054C (de)
CH (1) CH672570B5 (de)
DE (1) DE68901210D1 (de)
DK (1) DK166640B1 (de)
ES (1) ES2031305T3 (de)
GR (1) GR3005160T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4239626A1 (de) * 1992-11-26 1994-06-01 Digi Tech Ges Fuer Den Vertrie Uhr, insbesondere Wecker oder Reisewecker
DE4407774C1 (de) * 1994-03-09 1995-04-20 Leybold Materials Gmbh Target für die Kathodenzerstäubung zur Herstellung transparenter, leitfähiger Schichten und Verfahren zu seiner Herstellung
TW347880U (en) * 1998-04-16 1998-12-11 Shiou-Juen Lin Improved structure for clock body and joining way of panel
TW570213U (en) * 2003-06-11 2004-01-01 Vincent K Lee Liquid ornament with time-related device
FR2868851B1 (fr) * 2004-04-13 2006-12-01 Neos Entpr Unipersonnelle A Re Horloge spherique a mouvement lineaire
DE202004008887U1 (de) * 2004-06-04 2005-10-20 Berendsohn Ag Tischuhr
US20060133220A1 (en) * 2004-12-22 2006-06-22 Dilip Bhavnani Self-righting device
KR100928003B1 (ko) * 2007-05-11 2009-11-24 이창환 만국시계
CH714459B1 (fr) * 2017-12-19 2024-06-14 Guenat Sa Montres Valgine Glace de montre.
CN110058514B (zh) * 2019-04-18 2024-04-12 浙江理工大学 一种基于巴西果效应关闭闹铃的闹钟

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH4141A (fr) * 1891-09-21 1892-04-15 Camille Terribilini Machine perfectionnée pour la fabrication des briques creuses en gypse et en ciment
US2746237A (en) * 1952-08-20 1956-05-22 Gait Anderson Company Clock and casing therefor
DE1833188U (de) * 1961-02-14 1961-06-15 Ernst Moeckl Hinstellvorrichtung fuer kleine standuhren und reisewecker.
DE1173665B (de) * 1961-09-09 1964-07-09 Vaw Ver Aluminium Werke Ag Verfahren zur Gewinnung von Aluminium
CH531738A (it) * 1968-12-31 1972-08-31 Italora Spa Orologio a sveglia
JPS4818226U (de) * 1971-07-10 1973-03-01
DE2427904A1 (de) * 1974-06-10 1976-01-02 Hugo Hettich Weckeruhr mit zifferblattbeleuchtung
CH619122A5 (de) * 1978-02-06 1980-09-15 Paul Terraillon
US4505597A (en) * 1983-11-28 1985-03-19 Flinn Jr Jack L Novelty alarm clock
US4702614A (en) * 1986-07-08 1987-10-27 Off-The-Wall Products Baseball alarm clock

Also Published As

Publication number Publication date
CN1022349C (zh) 1993-10-06
DK166640B1 (da) 1993-06-21
BR8902157A (pt) 1990-01-02
CA1320054C (en) 1993-07-13
JPH0249190A (ja) 1990-02-19
CN1037782A (zh) 1989-12-06
ATE75059T1 (de) 1992-05-15
AU608195B2 (en) 1991-03-21
DK229589D0 (da) 1989-05-10
ES2031305T3 (es) 1992-12-01
GR3005160T3 (de) 1993-05-24
US4884258A (en) 1989-11-28
CH672570GA3 (de) 1989-12-15
EP0341583A1 (de) 1989-11-15
DE68901210D1 (de) 1992-05-21
CH672570B5 (de) 1990-06-15
AU3452689A (en) 1989-11-16
KR890017588A (ko) 1989-12-16
DK229589A (da) 1989-11-11

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