FR3040799A1 - DYNAMIC DISPLAY DEVICE - Google Patents

Abstract

A timepiece analog display device (100) comprising an assembly of concentric display support means (1, 2, 3), each having a bore at their centers and being driven and connected thereto, each a watch movement drive shaft, while said display support means (1, 2, 3) is at least one tray (1, 2) comprising a peripheral projection and a central clearance, the peripheral projection is combined with indicative display means.

Description

The invention relates to a device for dynamic display of a timepiece.

Usually, a wristwatch has a display of hours, minutes and seconds by needles driven by trees of a watch movement.

These timepieces also include widespread, additional displays in addition to the conventional time function, such as the display of the calendar or phases of the moon.

These additional displays are commonly represented by concentric or eccentric disks driven, for example, by reduction gears, mounted in satellite, kinematically linked to the trees of the watch movement. The display of the time function by concentric disks driven directly by a mobile timer, is known from US 3,803,831, US 4,759,002, US 5,586,089 and US 3,653,202. The display of the time function is achieved by the superposition of plastic disks encased by cannons on the trees of the watch movement. This configuration is not totally satisfactory. This display mechanism tends to generate substantial friction on the disks. These constraints are reflected directly on the watch movement, limiting its life.

Also known is EP 1 461 668, which discloses a display device comprising an assembly of concentric support discs, small sections, mounted on the shafts of a watch movement, with display discs of the function schedule. These support disks are non-coplanarly assembled so that the respective upper surfaces of the second, minute, and hour media disks are arranged one above the other. This particular configuration allows the assembly on each of the support discs described above, partially transparent plastic display discs. The seconds display disc has the largest diameter and the reading of the time function is read by transparency. This assembly of display disks of the synthetic time function and the reading of this function by transparency is not optimal and of good quality.

The present invention thus provides a dynamic display device to overcome the aforementioned drawbacks.

Thus, the analog timepiece display device, according to the invention, comprises an assembly of concentric display support means, each comprising a bore in their centers and are driven and connected by the latter, each to a drive shaft of a watch movement.

Note that the display support means are at least one tray comprising a peripheral projection and a central clearance, while the peripheral projection is combined with an indicative display means.

According to one embodiment, the display device comprises a second plate embedded in the clearance of a first plate. The second tray also includes a peripheral protrusion and a central recess, while the peripheral protrusion is combined with indicative display means.

According to another embodiment, the display device comprises a disk embedded in a disengagement of a tray, while the upper surface of the disk is combined with an indicative display means.

According to one embodiment, the display device comprises at least one needle.

According to the preceding embodiment, at least one needle is in the form of two horizontal rectilinear walls connected by a vertical wall.

Let's add that at least one plate is mounted on a barrel by the bore.

According to one embodiment, the disc is mounted on a barrel by the bore.

According to another embodiment, the disk consists of a T-shaped barrel, namely consisting of an upper surface, a bore centered on the latter and a lower annular peripheral rib, centered according to FIG. axis passing through the bore.

According to one characteristic, an indicative display means is a label.

Note that two adjacent display support means are separated laterally by spaces.

Note that at least two labels are juxtaposed to close a lateral space between two display support means, forming an additional lateral space between them, while an additional lateral space (13) is advantageously between 0, 1 and 1 millimeter.

According to one embodiment, at least one annular label extends on either side of at least one peripheral projection of at least one tray, whereas a label in the form of a disc has a sizing greater than that of the disk serving as a display medium,

According to embodiments, the upper surfaces of the display support means are offset on the Z axis, while at least two display support means advantageously overlap on the Z axis. and advantages of the invention will emerge from the description which follows with reference to the accompanying drawings which are given by way of non-limiting examples.

Figure 1 is a top view, according to one embodiment of the invention.

FIG. 2 is a partial view from above in transparency, according to another embodiment of the invention,

Figures 3 to 6 are views of a display device, according to one embodiment of the invention.

FIG. 3 is a partial view in cross section of FIG.

FIG. 4 is a partial exploded perspective view of FIG.

FIG. 5 is a view from above,

Figure 6 is a sectional view of a barrel in the form of a disc.

A timer wheel is conventionally formed of three concentric shafts (10), namely a first peripheral hollow shaft for the pivoting of the hours, a second intermediate hollow shaft for the pivoting of the minutes and a central shaft of small diameter for pivoting. seconds.

Usually, each concentric shaft (10) of the watch movement is intended to engage a pivoting movement of a needle corresponding to the indication of hours, minutes and seconds. The central shaft is thus conventionally used for the pivoting of a pointer indicative seconds, so a needle having a low weight and a low moment of inertia.

The present invention is in the form of a display device (100) for a timepiece comprising display support means (1, 2, 3, 8) advantageously of circular shape, advantageously combined with indicative display means, advantageously encased on guns (4), intended to be driven by concentric drive members of a watch movement. The drive members are only concentric shafts (10) of a timer mobile of a watch movement. No gear reduction gear is used.

In addition, according to embodiments, the invention is in the form of a wristwatch whose display device (100) comprises at least one display support means (1, 2, 3, 8). , preferably a display medium assembly (1, 2, 3, 8) advantageously in correspondence with at least one indicative display means arranged in correspondence, preferably display indicative means arranged in correspondence, namely at least one plate (1, 2) in correspondence of a label (5b, 5c), preferably of a first plate (1) outside in correspondence of an annular label (5c), advantageously indicative of the hours, advantageously a second plate (2) arranged in a central position in correspondence of an annular label (5b), advantageously indicative of minutes, and a disc (3) arranged in an inner position corresponding to an annular label (5) or a label (5a). ) in a form of a disk, advantageously indicative of minutes or seconds, but it could be otherwise at least one display medium is a needle (8), as described more specifically in the following description. Each of the display support means (1, 2, 3) is advantageously encased by a gun (4), but it could otherwise be a disk (3) consists of a T-shaped barrel (4), as explained in more detail later in the description. The upper surfaces of these display support means (1, 2, 3) and by extension of the surfaces of the indicative display means are either coplanar or have an offset on the Z axis or have an overlap on the Z axis. ,

Note that at least one plate (1, 2) and advantageously the disk (3), carry in their centers a bore (9) through to be inserted and aligned directly with their respective barrel (4) on the trees (10) the mobile of a watch movement.

According to embodiments, the display support means (1, 2, 3, 8) are in the form of a disk (3) in the inner position and at least one concentric plate (1, 2), advantageously two trays (2, 1) concentric in central and outer position respectively.

According to other embodiments, the display support means (1, 2, 3, 8) are in the form of a first plate (1) arranged in the outer position and a second plate (2) arranged in position. Central.

According to one embodiment, the display medium is made by one. first tray (1) arranged in the outer position and a disc (3) arranged in the inner position.

According to another embodiment, the display medium is formed by a first plate (1) arranged in the outer position, a second plate (2) arranged in the central position and a disk (3) arranged in the inner position.

Thus, according to the previous embodiment, the disk (3) must advantageously have a low weight to be moved by the shaft (10) of the mobile of a watch movement, particularly in the case of a quartz movement.

The first plate (1), indicative of hours, consists of a peripheral projection (6) flat or substantially flat and a clearance (7b) centrai. The clearance (7b) of the first plate (1) is intended to receive a second plate (2), a disc (3) or one or two needle (s) (8),

The second plate (2) is equivalent to the first plate (1), and therefore consists of a planar or substantially flat peripheral projection (6) and a central clearance (7a). The clearance (7a) of the second plate (2) is intended to receive a disk (3) or a needle (8).

It is understood by a central clearance (7a, 7b), a hollow structure formed by a flat surface and a vertical surface constituting a bowl of a plate (1, 2).

FIG. 3 illustrates in particular plates (1, 2), as explained above, namely a corresponding horizontal flat wall at the bottom of the recess (7a, 7b), extended by a vertical wall, itself extended by a flat horizontal wall corresponding to the peripheral projection (6), but it could be otherwise, at least one plate (1, 2) comprises a flat horizontal wall corresponding to the bottom of the recess (7a, 7b), extended by a shape comprising a flat horizontal wall corresponding to the peripheral projection (6). This shape is advantageously represented in vertical section by a parallelogram whose upper surface corresponds to the peripheral projection (6).

According to one embodiment, the disk (3) consists of a planar or substantially planar upper surface, but it could be otherwise, for example represented by a curved surface, such as a truncated half-sphere.

According to another embodiment, as explained previously and illustrated in FIG. 6, the disk (3) consists of a T-shaped barrel (4), namely consisting of an upper, flat or substantially flat surface. plane, a bore (9) and a lower annular peripheral rib (12), centered along the axis passing through the bore (9). The lower annular peripheral rib (12) is fitted on the central shaft (10) of the mobile of a watch movement.

According to other embodiments, one or two display medium (s) (1, 2, 3, 8, 8) are not trays (1, 2) or a disk (3), but one or two needles (s) (8) advantageously having a rectilinear body, as conventionally used, when the latter replaces a disk (3) in the interior position or having a body in the shape of a plate (1, 2), namely composed of two horizontal parts connected by a vertical part, when the latter is arranged in place of a plate (1, 2) in the central or outer position.

More specifically, according to embodiments, a disk (3) arranged in an inner position or a plate (2) arranged in a central position is located at the clearance formed by a lower part and a vertical part of a needle (8). formed of two horizontal parts connected by a vertical part, arranged in central or outer position respectively.

Note that the horizontal portion arranged above the vertical portion of a needle (8) is either directed towards the periphery or inward, the length of the horizontal portion arranged below the vertical portion is arranged accordingly .

It is understood that a needle (8) regardless of its shape comprises a body which runs from the center to an end, a center comprising a bore (9), and advantageously a counterweight extending to its other end.

Thus, according to the preceding embodiments, the display support means (1, 2, 3, 8) are at least in the form of at least one plate (1, 2), in combination with at least one needle (8).

According to one embodiment, the display support means (1, 2, 3, 8) are provided by a disk (3) arranged in an inner position, a second plate (2) arranged in a central position and a needle (8). ) arranged in the outer position.

According to another embodiment, the display support means (1, 2, 3, 8) are provided by a needle (8) arranged in an inner position, a second plate (2) arranged in a central position and a first plate (1) arranged in the outer position.

According to another embodiment, the display support means (1, 2, 3, 8) are provided by a disk (3) arranged in an inner position, a needle (8) arranged in a central position and a first plate ( 1) arranged in the outer position.

According to another embodiment, the display support means (1, 2, 3, 8) are provided by a first needle (8) arranged in an inner position, a second plate (2) arranged in a central position and a second needle (8) arranged in the outer position.

According to another embodiment, the display support means (1, 2, 3, 8) are provided by a first needle (8) arranged in an inner position, a second needle (8) arranged in a central position and a first tray (1) arranged in the outer position.

According to one embodiment, the thickness of the disk (3), the thickness (s) of the plate (s) (1, 2), the height of the clearance (s) (7a, 7b ), as well as the shape of the needles are advantageously modulated so that the surfaces of the peripheral projections (6) of the first plate (1), advantageously of the second plate (2), the upper surface of the disk (1), as well as advantageously the upper surface of at least one needle (8) are coplanar.

According to another embodiment, the upper surfaces of at least one plate (1, 2) and a disc (3) have an offset on the Z axis or overlap on the axis 2. More precisely / the upper surface of the peripheral projection (6) of the first plate (1) is arranged below that of the second plate (2), while the upper surface of the disc (3) is arranged above the last two.

According to the previous embodiment, more generally, the display support means (1, 2, 3, 8) arranged in the inner position is located above that arranged in the center, the latter being located above of that arranged in the outer position.

Thus, according to one embodiment, the display support means (1, 2, 3, 8) have an offset on the Z axis.

According to another embodiment, the display support means (1, 2, 3, 8) overlap on the Z axis.

Z-axis overlap means a lower surface of a display support means (1, 2) located in an inner or central position, arranged below, above or at the same level as a surface an upper display display means (2, 3) located at the outer periphery of the display support means (1, 2) arranged in an inner or central position.

According to one embodiment, as shown in Figure 3, the constituent walls of the peripheral projections (6) of at least one. plate (1, 2) and the wall of a disk (3) overlap on the Z axis, namely that the upper surface of the peripheral projection (6) of the first plate (1) is arranged below that of the second plate (2), while the upper surface of the disc (3) is arranged above the last two.

According to the preceding embodiment, the lower surface of the peripheral projection (6) of the second plate (2) is arranged below the upper surface of the peripheral projection (6) of the first plate (1), while the lower surface the wall of the disk (3) is located below the upper surface of the peripheral projection (6) of the second plate (2).

It is understood that a reasoning is adaptable to any structure of the various embodiments of the invention. It is also understood that inverted reasoning is also valid for embodiments in which the upper surface of the display support means (1, 2, 3, 8) arranged centrally, is located below those display support means arranged at the periphery.

This specific structure overlapping on the Z axis of the display support means (1, 2, 3, 8), allows a significant reduction in the thickness of the analog display device (100) according to the invention, compared to a structure strictly offset on the Z axis.

This overlapping structure is an intermediate structure between a coplanar structure and an offset structure on the Z axis.

In the same way as the preceding execution modes, according to other embodiments comprising at least one needle (8), the different display support means (1, 2, 3, 8) also have an offset on the Z axis or an overlap on the Z axis.

According to one characteristic, the display support means (1, 2, 3, 8), as illustrated in FIGS. 2 and 3, advantageously have a dimensioning, namely a diameter or a length, that is adequate for them. are arranged with each other so that lateral spaces (11a, 11b) are formed between them, namely according to embodiments, a lateral space (11b) between the first and the second plate (1, 2). ), and a lateral space (11a) between the second plate (2) and the disk (3).

The lateral spaces (11a, 11b) are advantageously between 0.1 and 20 millimeters.

According to other particular embodiments, the first plate (1) comprises at its peripheral projection (6) bores for the display of complementary information arranged below the latter, for example at the upper part. the case of the timepiece.

As explained above, the upper surfaces of the display support means (1, 2, 3), namely at least one plate (1, 2) and advantageously a disc (3), are assembled with means indicative of display.

According to embodiments, the indicative display means are provided by labels (5a, 5b, 5c) of synthetic material, such as polyester, decorated by printing or screen printing. The latter are arranged on the upper surfaces of the peripheral projections (6) of at least one plate (1, 2) and on the upper surface of the disk (3), as illustrated in FIGS.

According to other embodiments, the indicative display means are provided by engravings or by printing on at least one upper surface of a peripheral projection (6) of at least one plate (1, 2) and / or an upper surface of a disk (3).

According to one embodiment, the indicative display means are in the form of labels (5a, 5b, 5c), fixed by glue. Labels (5b, 5c), in annular form, are thus glued on the upper surfaces of the peripheral projections (6) of at least one plate (1, 2), while a label (5), annular or a label (5a) in the form of a disc, is glued on the upper surface of the disc (3). It is thus the labels (5) which form the join between the lateral spaces (11) of the display support means (1, 2, 3, 8), leaving a minimum, or even no visible opening at the level of the upper display surface thus formed.

Additional lateral spaces (13), as illustrated in FIG. (3), are thus arranged between two labels (5) or a label (5) and a lateral surface of a needle (8), the latter being advantageously understood. between 0.1 and 1 millimeter. Thus, the labels (5) and / or one or more needles (8) contribute to forming an upper planar or substantially flat and substantially continuous display surface at the X and Y axes (not shown).

According to embodiments, as illustrated in FIGS. 2 and 3, the labels (5a, 5b, 5c) have a dimensioning greater than those of a peripheral projection (6) of at least one plate (1, 2). and the upper surface of the disk (3),

According to one of the preceding embodiments, an annular label (5b, 5c) extends both beyond the inner and outer periphery of a peripheral projection (6) of a plate (1, 2), while a label (5a) extends beyond the outer periphery of a disk (3).

According to other embodiments, an annular label (5b, 5c) extends beyond the inner periphery of a peripheral projection (6) of a tray (1, 2), while a label ( 5a) extends beyond the outer periphery of a disc (3), but it could otherwise be a label (5a) has a dimensioning equal to that of the disc (3).

According to other embodiments, a ring-shaped label (5b, 5c) extends to. beyond the outer periphery of a peripheral projection (6) of a plate (1, 2), while a label (5a) extends beyond the outer periphery of a disk (3), but could otherwise be a label (5a) has a dimensioning equal to that of the disc (3).

According to embodiments, the upper surface of a disk (3) has engravings or prints as indicative display means, while at least one plate (1, 2) comprises a label (5).

According to embodiments, the corresponding labels (5a, 5b, 5c) of the different display support means (1, 2, 3) have different thicknesses, preferentially a label (5a) arranged on a disk (3) which is in the form of a barrel (4) T-shaped, has a thickness greater than that of at least one label (5b, 5c) arranged in correspondence of at least one plate (1, 2).

The indicative display means, namely at least one plate (1, 2) and advantageously a disk (3), carry indications in a form advantageously of figures relating to the corresponding indication of hours, minutes and advantageously seconds. . The indicative display means also advantageously carry intermediate time indicator graduations, as illustrated in FIG. 1.

According to other embodiments, at least one indication indicative means carries an animation, indications of the date or indications of the phases of the moon.

It is understood that the respective diameters of the first plate (1), preferably the second plate (2) and the disc (3) are decreasing.

It is also understood that a needle (8) in position, interior has a length less than those in central or outer position.

In order to meet a certain design and a certain aesthetics, the disc (3) or label (5) corresponding to the disc (3), has a large diameter, at least 16 millimeters. The technical problem of this aesthetic aspect is the weight of such a disc diameter (3) or a label (5a) assembled to a disc (3) consisting of a T-shaped barrel (4), set on the central shaft, of small diameter, of the mobile of the watch movement's timer. In addition, the larger the diameter, the greater the moment of inertia increases, exerting a significant stress on the central shaft of small diameter.

In addition, the addition of a label (5) and glue, as indicative display means, significantly increases the weight emitted on the central shaft of the timer mobile,

Thus, the thickness of the disc (3), and by apology the thicknesses of the plates (1, 2), must be thin, in order to exert the minimum of stress on the shafts (10), and thus exercise a moment of low inertia.

In order to obtain a quality timepiece, and to obtain substantial support and lift during pivoting movements, the display support means (1, 2, 3) are advantageously made of metallic material.

The metallic material is advantageously chosen from iron, titanium, chromium, nickel, copper, zinc, silver, aluminum, or an alloy such as steel, brass or bronze.

Claims (16)

A timepiece analog display device (100) comprising an assembly of concentric display support means (1, 2, 3, 8), each having a bore (9) at their centers and are driven and connected by the latter, each to a shaft (10) for driving a clock movement, characterized in that said display support means (1, 2, 3, 8) are at least one plate (1, 2 ) comprising a peripheral projection (6) and a central clearance (7a, 7b), while the peripheral projection (6) is combined with indicative display means. 2. Display device according to claim 1, characterized in that it comprises a second plate (2) imbricated in the clearance (7b) of a first plate (1), said second plate (2) comprising a peripheral projection (6) and a central clearance (7a), while the peripheral projection (6) is combined with indicative display means, 3. Display device according to claim 1 or 2, characterized in that it comprises a disk (3) embedded in said clearance (7a, 7b) of the plate (1, 2), while the upper surface of the disk ( 3) is combined with indicative display means. 4. Display device according to any one of the preceding claims, characterized in that it comprises at least one needle (8). 5. Display device according to the preceding claim, characterized in that at least one needle (8) is in the form of two horizontal straight walls connected by a vertical wall. 6. Display device according to any one of the preceding claims, characterized in that at least one plate (1, 2) is mounted on a barrel (4) by the bore (9). 7. Display device according to any one of claims 3 to 6, characterized in that the disc (3) is mounted on a barrel (4) by the bore (9), 8. Display device according to any one of claims 3 to 6, characterized in that the disk (3) consists of a barrel (4) T-shaped, namely consisting of an upper surface, d a bore (9) centered on the latter and a lower annular peripheral rib (12), centered along the axis passing through the bore (9). 9. Display device according to any one of the preceding claims, characterized in that an indicative display means is a label (5a, 5b, 5c), 10. Display device according to any one of the preceding claims, characterized in that two adjacent display support means (1, 2, 3, 8) are separated laterally by spaces (11a, 11b). 11. A display device according to claim 9 and 10, characterized in that at least two labels (5a, 5b, 5c) are juxtaposed to close a lateral space (11a, 11b) between two support means of display (1, 2, 3, 8), forming an additional lateral space (13) therebetween. 12. Display device according to the preceding claim, characterized in that an additional lateral space (13) is between 0.1 and 1 millimeter. 13. Display device according to claim 11 or 12, characterized in that at least one annular label (5b, 5c) extends on either side of at least one peripheral projection (6) of minus one plateau (1, 2). 14. Display device according to any one of claims 11 to 13, characterized in that a label (5a) in the form of a disk, has a dimensioning greater than that of the disk (3). 15. Display device according to any one of the preceding claims, characterized in that the upper surfaces of the display support means (1, 2, 3, 8) are offset on the Z axis. Display device according to one of the preceding claims, characterized in that at least two display support means (1, 2, 3, 8) overlap on the Z axis,