JPS6227899Y2 - - Google Patents

Description

[Detailed description of the invention] The invention is based on an upper band of a flat dial in which the joint part of the time display sphere rotates and revolves around its axis without contacting the sliding surface, and the direction of rotation is inclined. It is characterized by the fact that it is inverted with respect to the lower band.

The contents will be explained below based on the illustrated embodiment.

Regarding the first embodiment (FIGS. 1 and 2).

1A is a flat dial made of non-magnetic material and tilted appropriately. Reference numeral 2 denotes a base, and within its inner space 3 are provided a time display rotation shaft 5 of a timepiece movement 4 and a time display rotation arm 6 projecting from the rotation shaft 5. The time display rotating arm 6 may be an hour hand rotating arm, a minute hand rotating arm, or a second hand rotating arm, or three time display rotating arms representing hours, minutes, and seconds may be employed.

Reference numeral 7 denotes a disk-shaped permanent magnet attached to the tip of the time display rotating arm 6, which rotates at an angular angle along a fixed trajectory within the inner space 3 together with the time display rotating arm 6 by the operation of the timepiece movement 4.

Reference numeral 8 denotes a hollow sphere made of a non-magnetic material, and as shown in FIG. 6, the sphere 8 is formed by abutting a hemisphere 8A and a hemisphere 8B to form a joint 9.

Reference numeral 10 denotes a disk-shaped permanent magnet fixed within the sphere 8 with an adhesive R, and is actually disposed within the hemisphere 8B. Further, instead of this permanent magnet 10, a magnetic material such as iron or steel may be used. 5A is the time display, the axis of the rotating shaft 5, and the X-
An inclined dial 1A is divided into an upper band 11 and a lower band 12 with the X-ray portion as a boundary.A sphere 8 is placed on the inclined dial 1A, and when it revolves, the sphere 8 rotates on its axis. However, the directions of rotation are reversed and different between the upper zone 11 and the lower zone 12.

No is the normal. Next, the operating mode of this embodiment will be explained. When the time display rotating arm 6 is rotated in the direction of arrow A by the operation of the clock movement 4, the permanent magnet also rotates in the same direction, and the upper band 11
The sphere 8 located at is rotated in the direction of arrow E while rotating in the direction of arrow A.

Next, when the time display rotating arm 6 further rotates in the direction of arrow A and passes through the X-X line section, the sphere 8 located in the lower band 12 is rotated in the direction of arrow A while rotating in the direction of arrow F. It is forced to rotate.

When the sphere 8 revolves, the sphere 8 rotates around the normal line No. due to the action of the magnetic moment, and rotates the joint 9 smoothly without contacting the dial 1A, and the rotation direction is in the upper band. 11 and the lower band 12, which is interesting.

Regarding the second embodiment (Figs. 3 to 6).

In this embodiment, the same parts as in the first embodiment are given the same numbers.

The features of this embodiment are similar to those of the first embodiment, except that the shape and magnetization direction of the permanent magnets used are different.

20 is a C-shaped permanent magnet as shown in FIGS. 4 and 5, with magnetic poles 21 and 22 facing each other.

In the example shown in FIG. 6, the magnetic pole 22 of the permanent magnet 20 attached to the tip of the time display rotating arm 6 is opposed to the permanent magnet 10 of the sphere 8, and the magnetic pole 21 side is aligned with the normal line.
It is located on the inner side of the time display rotation shaft 5 and attached to the tip of the time display rotation arm 6.

When the time display rotating arm 6 is rotated in the direction of the arrow A by the operation of the clock movement 4, the permanent magnet 20 is also rotated in the same direction.
The sphere 8 in the lower band 12 is rotated in the direction of arrow G while revolving in the direction of arrow A.

Next, the time display rotary arm 6 further rotates in the direction of the arrow A and passes through the X-X line portion, and the sphere 8 in the upper band 11 is rotated in the direction of the arrow H while orbiting in the direction of the arrow A. It will be done. In other words, the direction of rotation is reversed.

Regarding the third embodiment (Fig. 7).

The feature of this embodiment is that the position of the magnetic pole 21 of the permanent magnet of the second embodiment is changed.

Specifically, the magnetic pole 22 of the permanent magnet 20 attached to the tip of the time display rotating arm 6 is made to face the permanent magnet 10 of the sphere 8, and the magnetic pole 21 side is located outside of the normal line No. and the time display rotating shaft 5. It is attached to the tip of the time display rotary arm 6 at a farther outer side.

When the time display rotating arm 6 is rotated in the direction of the arrow A by the operation of the clock movement 4, the permanent magnet 20 is also rotated in the same direction.
The sphere 8 in the lower band 12 is rotated in the direction of arrow I while revolving in the direction of arrow A.

Further, in the upper band 11, it rotates in a direction opposite to the direction of arrow I.

Since the present invention has the structure and operation as shown in the first to third embodiments, it has the following unique effects.

(a) When a sphere revolves around a tilted dial, the direction of rotation of the sphere is reversed and different between the upper and lower bands, which is interesting and enjoyable.

(b) Since the joints of the hemispheres that form the sphere do not come into contact with the dial, the sphere can move smoothly.

[Brief explanation of the drawing]

1 and 2 show a first embodiment of the present invention, with FIG. 1 being a perspective view of the entire device and FIG. 2 being a vertical sectional side view of the main parts. Figures 3 to 6 show the second embodiment, where Figure 3 is a perspective view of the whole, Figure 4 is a plan view of the permanent magnet, Figure 5 is a side view of the permanent magnet, and Figure 6 is an essential part. FIG. FIG. 7 is a sectional view of essential parts showing a third embodiment. 1A...Dial board, 5...Time display rotation axis, 8...
... sphere, 11 ... upper band, 12 ... lower band.

Claims (1)

[Scope of utility model registration request] A hollow sphere 8 representing time is connected to a pair of hemispheres 8
A, 8B are connected via a joint 9 and a permanent magnet or a magnetic material such as iron or steel is fixed inside the sphere 8, while the upper band 11 and the lower band are connected with the axis 5A of the time display rotating shaft 5 as a boundary. The spherical body 8 is placed on a flat dial 1A which is divided into a side band 12 and tilted appropriately, while a permanent magnet is attached to a part of the time display rotating arm 6 to face the spherical body 8, The rotation of the time display rotating arm 6 causes the sphere 8 to rotate, and the rotation direction is set to the upper band 11.
A rotating mechanism for a time display ball used in an interior clock, etc., which is designed to be inverted and revolved between the lower band 12 and the lower band 12.