JPH0645915Y2 - Pendulum for watch - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a pendulum of a pendulum clock.

[Prior Art] Conventionally, a pendulum of a timepiece has been used for advancing the hands of a timepiece at a constant cycle, but today, by using a crystal oscillator and a step motor, extremely high precision hand movement is possible. Therefore, the pendulum is driven independently of the pointer by a motor separate from the stepping motor for hand movement or an appropriate electromagnet as decoration of the timepiece body.

[Problems to be Solved by the Invention] As described above, a pendulum for a watch is used today as a decorative pendulum, but this pendulum is often attached at the time of manufacturing a watch body, and various pendulum shapes are available. Despite being manufactured, there were very few opportunities for consumers to choose the shape of the pendulum.

In addition, when the consumer changes the shape of the pendulum, there is a drawback that a spare pendulum must be separately purchased and prepared.

[Means for Solving the Problem] The present invention is to provide a movable portion on a pendulum so that a user can change the shape of the pendulum within a certain range.

As the pendulum having this movable part, a plurality of members having the same shape are used. When the members are fitted into each other to form an integral pendulum, when a sliding member is attached to a part of the pendulum, the hinge part is further attached to the pendulum. May be formed in advance.

[Operation] Since the pendulum for a timepiece according to the present invention has a movable part in the pendulum, the shape of the pendulum can be deformed by moving the movable part of the pendulum, and the user can select the pendulum with one pendulum. Can change the shape.

[Embodiment] As shown in FIG. 1, a first embodiment of a pendulum for a timepiece according to the invention is a movable portion in which a small disc-shaped member is chained to the lower end of a support rod portion 11 in the shape of a cylindrical rod. It is a decorative pendulum 10 having.

As shown in FIGS. 2 and 3, the movable portion of the pendulum 10 includes a plurality of pendulum members 21 in which a flat plate-shaped arm portion 31 is extended from a disk-shaped base portion 22 as shown in FIG. The pendulum member 21 is provided with a projecting portion 25 on the central back surface of the base portion 22, and the tip of the projecting portion 25 has a conical shape and an enlarged portion 27 is formed in the vicinity of the tip of the projecting portion 25. Moreover, a split groove 29 is formed in the projecting portion 25 so that the enlarged portion 27 can easily deform its outer shape to a slightly smaller extent. Also, the arm 31
A through hole 35 having a diameter corresponding to the outer diameter of the protruding portion 25 is provided near the tip 32 of the protrusion 25, and notches 37 are formed on both sides of the through hole 35 to slightly expand and deform the diameter of the through hole 35. It's something you get.

Therefore, by using a plurality of the pendulum members 21,
If the protruding portion 25 formed on the base portion 22 of the pendulum is inserted into the through hole 35 of the arm portion 31 of another pendulum member 21, the protruding portion 25 has a split groove
29 is provided, and the cutout portion 37 is provided in the through hole 35, the protruding portion 25 can be easily fitted into the through hole 35, and the enlarged portion 27 is provided near the tip of the protruding portion 25. Since it is provided, the enlarged portion 27 can be engaged with the back surface of the arm portion 31 to connect the pendulum members to each other, as shown in FIG.

As shown in FIG. 5, the support rod portion 11 is provided with a support hole 13 at its upper end so that the support rod portion 11 can be hung from the hook portion 19 of the timepiece body, and like the base portion 22 of the pendulum member 21, the support rod portion 11 can be suspended from the disk. A flat portion 15 having a shape is provided at the lower end of the support rod portion 11, and a protruding portion 25 having an enlarged portion 27 and a split groove 29 is formed on the central back surface of the flat portion 15 in the same manner as the pendulum member 21. is there.

Therefore, by inserting the protruding portion 25 formed at the lower end of the support rod portion 11 into the through hole 35 of the arm portion 31 of the pendulum member 21, as shown in FIG. A pendulum 10 in which a plurality of pendulum members 21 are coupled to each other can be provided, and each pendulum member 21 can be formed by fitting the protrusion 25 of each pendulum member 21 into the through hole 35 of another pendulum member 21. Since each pendulum member 21 is connected by being engaged with each other, the pendulum member
The arm portion 31 of 21 is rotatable with respect to the projecting portion 25 with the through hole 35 as the center position, and since the outer diameter of the projecting portion 25 and the diameter of the through hole 35 are matched, an external force must be applied. Members for each pendulum
Since the positional relationship of the pendulums 21 is fixed, the pendulum 10 can be changed in shape by freely changing the positional relationship of the pendulum members 21, which are movable parts, as shown in FIG.

Further, in another embodiment, as shown in FIG. 7, an opening 39 is provided from the through hole 35 formed in the arm portion 31 to the tip 32 of the arm portion,
As shown in the figure, a disk-shaped enlarged portion 28 is provided at the tip of the protruding portion 25 provided at the center of the back surface of the disk-shaped base portion 22, and the gap between the enlarged portion 28 and the base portion 22 is made to match the thickness of the arm portion 31. The pendulum member 21 is used.

In this second embodiment, the opening provided at the tip 32 of the arm 31 is used.
The protrusion 25 is formed by sandwiching the protrusion 25 of another pendulum member 21 with 39.
By pushing 25 into the through hole 35, a plurality of pendulum members 21 can be connected as shown in FIG. 9, and a protrusion 25 provided at the center of the back surface of the flat portion 15 formed at the lower end of the support rod portion 11 Also, similarly to the first embodiment, the pendulum member 21 as a movable part can be connected to the support rod portion 11 by forming the enlarged portion 28 similarly to the pendulum member 21.

The base portion 22 of the pendulum member 21 in the first and second embodiments is not limited to a disc shape, and may have a hexagonal shape, an octagonal shape, or the like.

Further, in another embodiment of the present invention, the pendulum main body 41 is fixed to the lower end of the support rod 11, and the sliding member 46 as a movable part is attached to the back surface of the main body 41.

In this third embodiment, as shown in FIG. 13, a flat plate-shaped rectangular main body portion 41 is attached to the lower end of the support rod portion 11, and the flat plate shape is formed as shown in FIGS. 11 and 12. Forming a groove portion 42 along the upper side and the lower side of the main body 41 on the back surface of the main body 41,
A sliding member 46 that is movable left and right is fitted into the groove portion 42, and the outer edge of the sliding member 46 is equivalent to two sides of a triangle in which a straight line is bent as shown in FIGS. 10 and 11. The lateral bulging portion 47 is formed as a curved line such as a curved line or a general smooth arc-shaped curved line.

Therefore, if the sliding member 46 is pulled out so that the bulging portion 47 of the sliding member 46 is projected to the side of the main body portion 41, the pendulum 10 having a curved shape on both sides of the pendulum 10 as shown in FIG. If the sliding member 46 is pushed into the back surface of the main body 41,
As shown in the figure, the left and right ends of the pendulum 10 have a vertical straight line shape, which allows a large change in the shape of the pendulum 10.

In the third embodiment, a decorative hole 44 is provided in the center of the main body 41 so that the pendulum 10 does not have a monotonous shape when the sliding member 46 is housed in the back surface of the main body 41.

In another embodiment of the present invention, the hinge portion 49 is formed on the pendulum body portion 41 provided at the lower end of the support rod portion 11.
As shown in the figure, the main body portion 41 is formed so that a horizontal hinge portion 49 is formed at the center of the main body portion 41 or slightly below the center.
A thin groove is formed in the main body 41 by providing a linear groove on the back surface of the main body 41.

Therefore, the main body 41 above the hinge 49 is fixed integrally with the support rod 11, but below the hinge 49 is a bendable movable portion 45. By folding the movable portion 45, the sixteenth portion is formed. As shown in the figure, the size and shape of the pendulum 10 can be changed.

Note that the hinge portion 49 is not only provided horizontally, but as shown in FIG. 17, it is provided as a hinge portion 49 that is perpendicular to the axis of the support rod portion 11 and that is vertical to the left and right ends of the pendulum body portion 41. The part may be the movable part 45.

[Advantage of Invention] Since the present invention forms a movable part in a part of a pendulum, the user does not need to prepare a pendulum having another shape in advance, and the user can move the movable part arbitrarily. This allows the shape of the pendulum to be changed, and the pendulum body can be made into the shape selected by the user without replacing the pendulum, and the user can easily use a single pendulum to suit his or her preference. It is possible to provide a pendulum for a timepiece in which the shape of the pendulum can be deformed and the change can be enjoyed.

[Brief description of drawings]

FIG. 1 is a front view showing a first embodiment of a pendulum according to the present invention, and FIGS. 2 and 3 are a back view and a side view showing a pendulum member of the first embodiment, and FIG. Is a side sectional view showing a state in which the pendulum members are connected, FIG. 5 is a rear view of the support rod portion, and FIG. 6 is a view showing a modified example of the first embodiment, FIGS. 7 and 8. FIG. 9 is a rear view and a side view of a pendulum member in the second embodiment, FIG. 9 is a side sectional view showing a state in which the pendulum members of the second embodiment are connected, and FIGS. FIG. 13 is a front view, a back view, and a partial cross-sectional side view showing a third embodiment, FIG. 13 is a view showing a modified example of the third embodiment, and FIGS. 14 and 15 are front views of the fourth embodiment. FIG. 16 is a view showing a modification of the fourth embodiment, and FIG. 17 is a front view of the fifth embodiment. 10 = pendulum, 11 = support rod portion, 21 = pendulum member, 22 = pendulum member base, 25 = projection portion, 27 = enlarged portion, 28 = enlarged portion, 31 =
Arm part, 35 = through hole, 41 = pendulum body part, 45 = movable part,
46 = sliding member, 49 = hinge part 49.

Claims (3)

[Scope of utility model registration request] 1. A plurality of pendulum members each having a base having a protrusion and an arm extending from the base, and having a through hole into which the protrusion fits near a tip of the arm. A pendulum for a timepiece, characterized in that the support bars are connected in a chain form from the lower end thereof. 2. A flat plate-like pendulum main body provided below the support rod portion and a groove provided on the back surface of the main body portion are fitted to each other so that the pendulum can slide left and right while having sliding resistance. A pendulum for a timepiece, which comprises: 3. A timepiece characterized in that a pendulum main body provided below the support rod portion has a hinge portion, and the hinge portion forms a foldable movable portion in a part of the pendulum main body portion. pendulum.